N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update tomorrow 6:00 am CDT

Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI

W3SR HAM

Amateur Extra class licensed since 1995 (31 yrs) W3SR since 2011 · previously W4QP, W6ZP, WB6ULK Lake Ridge, VA grid FM18hq LoTW user eQSL AG 293 repeaters within 50 mi

🔒 Not available — currently licensed, through Dec 16, 2031. If it isn't renewed, it opens for vanity requests Dec 17, 2033.

📬 QSL: LoTW user · last upload Mar 17, 2026 · eQSL AG member · QRZ · HamQTH

📝 W3SR has filed vanity applications before — latest filed Nov 28, 2011 · what was requested

Currently held by MARK J REDLINGER · 2 holders on record

Current holder: MARK J REDLINGER

Held W3SR Dec 16, 2011 → present · first licensed Jan 30, 1995 as WB6ULK · 4 licenses · FRN 0001897560

W3SR Active Amateur Extra · vanity Dec 16, 2011 → expires Dec 16, 2031

Licensee
MARK J REDLINGER

Address
12074 Greatbridge Road
Lake Ridge, VA 22192
38.6931, -77.3456 (street) · Grid FM18hq · CQ 5 · ITU 8 · map ↗

FRN
0001897560

Previous call
W4QP (Advanced)

Last granted
Sep 20, 2021

Effective
Sep 20, 2021

Last action
Sep 20, 2021
FCC actions (3)
- Sep 20, 2021 — License renewed LIREN
- Dec 16, 2011 — Vanity call sign granted VANGRT
- Dec 16, 2011 — License issued LIISS
W4QP Canceled Amateur Extra · vanity Jan 9, 2001 → Dec 16, 2011 (canceled)

Licensee
MARK J REDLINGER

Address
12074 Greatbridge Road
Lake Ridge, VA 22192
38.6931, -77.3456 (street) · Grid FM18hq · CQ 5 · ITU 8 · map ↗

FRN
0001897560

Previous call
W6ZP (Advanced)

Last granted
Oct 14, 2010

Effective
Jun 2, 2011

Last action
Dec 16, 2011
FCC actions (6)
- Dec 16, 2011 — License canceled LICAN
- Jun 2, 2011 — Administrative update LIAUA
- Oct 14, 2010 — License renewed LIREN
- Jan 3, 2008 — Administrative update LIAUA
- Sep 18, 2004 — Administrative update LIAUA
- Jan 9, 2001 — License issued LIISS
W6ZP Canceled Amateur Extra · vanity Oct 24, 2000 → Jan 9, 2001 (canceled)

Licensee
MARK J REDLINGER

Address
3270 Grady Ln
Lake Ridge, VA 22192
38.6842, -77.3179 (ZIP center) · Grid FM18iq · CQ 5 · ITU 8 · map ↗

FRN
0001897560

Previous call
WB6ULK (Advanced)

Last granted
Oct 24, 2000

Effective
Oct 24, 2000

Last action
Dec 5, 2012
FCC actions (2)
- Jan 9, 2001 — License canceled LICAN
- Oct 24, 2000 — License issued LIISS
WB6ULK Canceled Amateur Extra Jan 30, 1995 → Oct 24, 2000 (canceled)

Licensee
MARK J REDLINGER

Address
3270 Grady Ln
Lake Ridge, VA 22192
38.6842, -77.3179 (ZIP center) · Grid FM18iq · CQ 5 · ITU 8 · map ↗

FRN
0001897560

Last granted
Jan 30, 1995

Effective
Jun 3, 2000

Last action
Oct 24, 2000
FCC actions (2)
- Oct 24, 2000 — License canceled LICAN
- Jun 3, 2000 — License modified LIMOD

Address history

From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Seen Nov 7, 2004 → Oct 4, 2026 · 92 snapshots · as W4QP
MARK J REDLINGER
12074 Greatbridge Road, Lake Ridge, VA 22192
38.6931, -77.3456 (street) · Grid FM18hq · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 96 snapshots · as WB6ULK
MARK J REDLINGER
3270 Grady Ln, Lake Ridge, VA 22192
38.6842, -77.3179 (ZIP center) · Grid FM18iq · CQ 5 · ITU 8 · map ↗

Previous holder: ROBERT C THYBERG

Held W3SR Nov 22, 2000 → Nov 26, 2009 · first licensed Nov 22, 2000 as W3SR · 1 license · FRN 0004129151

W3SR Canceled Amateur Extra Nov 22, 2000 → Nov 26, 2009 (canceled)

Licensee
ROBERT C THYBERG

Address
2801 DURMONT COURT
ANNAPOLIS, MD 21401
38.9879, -76.5527 (ZIP center) · Grid FM18rx · CQ 5 · ITU 8 · map ↗

FRN
0004129151

Last granted
Feb 29, 2008

Effective
Feb 29, 2008

Last action
Oct 27, 2011
FCC actions (4)
- Oct 27, 2011 — Record corrected COR
- Oct 27, 2011 — Record corrected COR
- Feb 29, 2008 — License renewed LIREN
- Nov 22, 2000 — Administrative update LIAUA

Address history

From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as W3SR
ROBERT C THYBERG
2801 DURMONT COURT, ANNAPOLIS, MD 21401
38.9879, -76.5527 (ZIP center) · Grid FM18rx · CQ 5 · ITU 8 · map ↗

Vanity applications filed by W3SR

Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.

Filed · Award	Applicant	Requested (in order)	Status
Filed Nov 28, 2011 Granted Sep 20, 2021 0004968241	W4QP · MARK J REDLINGER · Amateur Extra 12074 Greatbridge Road, Lake Ridge, VA 22192 38.6931, -77.3456 (street) · Grid FM18hq · CQ 5 · ITU 8 · map ↗	1.W3SR ✓ granted 2.W3LX held 3.W3KO held	Granted got W3SR
Filed Oct 27, 2011 Award date was Nov 14, 2011 0004929804	W4QP · MARK J REDLINGER · Amateur Extra 12074 Greatbridge Road, Lake Ridge, VA 22192 38.6931, -77.3456 (street) · Grid FM18hq · CQ 5 · ITU 8 · map ↗	1.W4DF held	Dismissed
Filed Oct 11, 2011 Award date was Oct 29, 2011 0004907046	W4QP · MARK J REDLINGER · Amateur Extra 12074 Greatbridge Road, Lake Ridge, VA 22192 38.6931, -77.3456 (street) · Grid FM18hq · CQ 5 · ITU 8 · map ↗	1.W3VR held	Dismissed
Filed Jun 27, 2011 Award date was Jul 15, 2011 0004781871	W4QP · MARK J REDLINGER · Amateur Extra 12074 Greatbridge Road, Lake Ridge, VA 22192 38.6931, -77.3456 (street) · Grid FM18hq · CQ 5 · ITU 8 · map ↗	1.W3BR held	Dismissed
Filed Dec 22, 2000 Award date was Jan 9, 2001 0000305347	W6ZP · MARK J REDLINGER · Amateur Extra 3270 Grady Ln, Lake Ridge, VA 22192 38.6842, -77.3179 (ZIP center) · Grid FM18iq · CQ 5 · ITU 8 · map ↗	1.W4QP held	Granted
Filed Nov 20, 2000 Award date was Dec 8, 2000 0000264310	W6ZP · MARK J REDLINGER · Amateur Extra 3270 Grady Ln, Lake Ridge, VA 22192 38.6842, -77.3179 (ZIP center) · Grid FM18iq · CQ 5 · ITU 8 · map ↗	1.K4CL held	Withdrawn
Filed Nov 20, 2000 Award date was Dec 8, 2000 0000267304	W6ZP · MARK J REDLINGER · Amateur Extra 3270 Grady Ln, Lake Ridge, VA 22192 38.6842, -77.3179 (ZIP center) · Grid FM18iq · CQ 5 · ITU 8 · map ↗	1.K4KR held	Dismissed
Filed Nov 16, 2000 Award date was Dec 4, 2000 0000264108	W6ZP · MARK J REDLINGER · Amateur Extra 3270 Grady Ln, Lake Ridge, VA 22192 38.6842, -77.3179 (ZIP center) · Grid FM18iq · CQ 5 · ITU 8 · map ↗	1.K4CL held	Dismissed
Filed Oct 26, 2000 Award date was Nov 13, 2000 0000246613	W6ZP · MARK J REDLINGER · Amateur Extra 3270 Grady Ln, Lake Ridge, VA 22192 38.6842, -77.3179 (ZIP center) · Grid FM18iq · CQ 5 · ITU 8 · map ↗	1.W4OM held	Dismissed
Filed Oct 5, 2000 Award date was Oct 23, 2000 0000230586	WB6ULK · MARK J REDLINGER · Amateur Extra 3270 Grady Ln, Lake Ridge, VA 22192 38.6842, -77.3179 (ZIP center) · Grid FM18iq · CQ 5 · ITU 8 · map ↗	1.W4UE held 2.W6ZP held 3.W6AH held 4.KX4K held 5.WE4R held	Granted

Others requesting W3SR

13 applications listed W3SR as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Nov 28, 2011	Dec 16, 2011	NX2Y · JEROME H HUMPHREY · PATTON, PA	4	Granted
Nov 28, 2011	Dec 16, 2011	KI3T · JOHN K BRYSON JR · Lancaster, PA	1	Dismissed
Nov 28, 2011	Dec 16, 2011	N4DSP · John E Shea · Liberty, NC	1	Dismissed
Nov 28, 2011	Dec 16, 2011	W3BY · WILLIAM F CLARK · Patuxent River, MD	1	Dismissed
Nov 28, 2011	Dec 16, 2011	W3BY · WILLIAM F CLARK · Patuxent River, MD	1	Dismissed
Nov 28, 2011	Dec 16, 2011	W3ECU · RICHARD H LEHR · DELMAR, DE	3	Dismissed
Nov 28, 2011	Dec 16, 2011	KX3P · PATRICIA E OLSON · Lancaster, PA	4	Granted
Nov 28, 2011	Dec 16, 2011	AJ4ER · James T Birdwell · Sumter, SC	3	Granted
Nov 28, 2011	Dec 16, 2011	K3FZF · James M Dallas · Monroeville, PA	2	Dismissed
Nov 28, 2011	Dec 16, 2011	AJ4ER · James T Birdwell · Sumter, SC	3	Dismissed
Nov 28, 2011	Dec 16, 2011	KB3MZU · Robert S Bonser · Oakland, MD	2	Dismissed
Nov 28, 2011	Dec 16, 2011	W4QP · MARK J REDLINGER · Lake Ridge, VA	1	Granted
Nov 4, 2011	Nov 22, 2011	KI3T · JOHN K BRYSON JR · Lancaster, PA	1	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W3SR in the last 24 hours. They show up here within seconds of W3SR beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

Repeaters within 50 miles

293 repeaters within 50 miles of this address, closest first · sort: closest · most active · map these & export for a radio →

● confirmed on the air · ● probably · ● reported off the air · ● unknown · ◉ this license · ring = 50 miles · click a dot for the repeater's page

● confirmed on the air · ● probably · ● reported off the air · no dot = unknown (hover a dot for the evidence)

Miles	Call	Name	Output	Offset	Tone	Mode	Networks	Activity	Location
1.7	W4IY	Woodbridge W4IY AllStar	147.2400	+0.6	TSQL 107.2	FM (analog)	AllStar 52951 EchoLink 615284	—	Woodbridge, VA
1.7	W4IY	Woodbridge W4IY	224.7800	-1.6	none	FM (analog)		—	Woodbridge, VA
1.7	W4IY	Woodbridge W4IY WIRES-X	444.9000	+5	TSQL 127.3	FM (analog) (FM,C4FM)	WIRES-X 73418	—	Woodbridge, VA
5.3	NQ4T	Manassas NQ4T AllStar	223.4000	simplex	TONE 100.0	FM (analog)	AllStar 594081	—	Manassas, VA
5.3	NQ4T	Manassas NQ4T AllStar	439.8000	simplex	TONE 100.0	FM (analog)	AllStar 59408 AllStar 594080	—	Manassas, VA
5.3	NQ4T	Virginia NQ4T BM	445.9750	in 438.0200	CC1	DMR	BrandMeister 311184205	—	, VA
5.7	KA4DCS	Woodbridge Potom KA4DCS	444.8500	+5	none	FM (analog)		—	Woodbridge, VA
6.1	WD4HRO	Woodbridge WD4HRO	1293.0000	-20	none	D-STAR		—	Woodbridge, VA
7.3	KN4ANG	Burke KN4ANG IRLP	448.3000	simplex	TSQL 110.9	FM (analog)	IRLP 4048	—	Burke, VA
7.4	KK4QGD	Manassas Park KK4QGD BM	425.5000	+5	CC1	DMR	BrandMeister 313135	—	Manassas Park, VA
8.1	K4GVT	Manassas K4GVT	443.5000	+5	TSQL 110.9	FM (analog)		—	Manassas, VA
10.6	W4OVH Listed as W4OVH/R	Manassas W4OVH AllStar	224.6600	-1.6	TONE 100.0	FM (analog)	AllStar 47551	—	Manassas, VA
10.6	W4OVH	Manassas NOVEC W4OVH	146.8650	-0.6	none	D-STAR		—	Manassas, VA
10.6	W4OVH	Manassas NOVEC W4OVH	442.5125	+5	none	D-STAR		—	Manassas, VA
11.4	W4OVH	Manassas Wtr W4OVH AllStar	146.9700	-0.6	TONE 100.0	FM (analog)	AllStar 46931	—	Manassas, VA
11.4	W4OVH	Manassas Wtr W4OVH AllStar	442.2000	+5	TONE 100.0	FM (analog) (FM,C4FM)	AllStar 27061	—	Manassas, VA
11.4	NV4FM	Fairfax NV4FM AllStar	146.7900	-0.6	TSQL 77.0	FM (analog)	AllStar 534142 🗓 1 net	1 net	Fairfax, VA
11.4	NV4FM	Fairfax NV4FM	224.1000	-1.6	TSQL 77.0	FM (analog)	🗓 1 net	1 net	Fairfax, VA
12.4	K3FBI	Quantico K3FBI	147.3450	+0.6	TONE 167.9	FM (analog) (FM,P25)		—	Quantico, VA
12.4	K3FBI	Quantico K3FBI	443.5500	+5	TONE 167.9	P25		—	Quantico, VA
13.0	W4CIA	Annandale Inova W4CIA	147.2100	+0.6	TONE 110.9	FM (analog) (FM,C4FM)		—	Annandale, VA
13.3	K4XY	Fairfax FO Hosp K4XY AllStar	448.3750	-5	none	FM (analog)	AllStar 59777	—	Fairfax, VA
14.5	KD4RTH	Chantilly KD4RTH BM	443.1500	+5	CC1	DMR	BrandMeister 310763	—	Chantilly, VA
14.5	N3OCQ	Chantilly N3OCQ BM	443.3500	+5	CC1	DMR	BrandMeister 314601	—	Chantilly, VA
14.8	N4FRS	Alexandria N4FRS	1283.2000	-12	TSQL 203.5	FM (analog) (FM,DV)		—	Alexandria, VA
14.9	N3QEM	Vienna N3QEM Interstate	145.1763	-0.6	CC13	DMR	Interstate	—	Vienna, VA
15.0	N3QEM	Vienna N3QEM Interstate	442.9000	+5	CC1	DMR	Interstate AWSVirginia	—	Vienna, VA
15.0	N9KET	Vienna N9KET BM	445.8000	-5	CC1	DMR	BrandMeister 316759601 BrandMeister 316759602 BrandMeister 316759603 BrandMeister 316759604 BrandMeister 316759605 BrandMeister 316759606 BrandMeister 316759607 BrandMeister 316759608 BrandMeister 316759609 BrandMeister 316759610 BrandMeister 316759611 BrandMeister 316759612 BrandMeister 316759613 BrandMeister 316759614 BrandMeister 316759615 BrandMeister 316759616 BrandMeister 316759617 BrandMeister 316759618 BrandMeister 316759619 BrandMeister 316759620	—	Vienna, VA
15.0	N3QEM	Vienna N3QEM Interstate	927.6750	-25	CC1	DMR	Interstate	—	Vienna, VA
15.2	W9DSG	Falls Church W9DSG BM	448.0625	-5	CC1	DMR	BrandMeister 3223922	—	Falls Church, VA
15.7	W4HFH	Alexandria W4HFH	145.3800	-0.6	none	D-STAR	🗓 1 net	1 net · 34 check-ins · 18 stations	Alexandria, VA
15.7	W4HFH	Alexandria Hosp W4HFH	442.0600	+5	none	D-STAR	🗓 1 net	1 net · 34 check-ins · 18 stations	Alexandria, VA
15.7	W4HFH	Alexandria Hosp W4HFH	1284.6000	-12	none	D-STAR	🗓 1 net	1 net · 34 check-ins · 18 stations	Alexandria, VA
15.9	W4AVA	Falls Church W4AVA	146.6250	-0.6	TSQL 107.2	FM (analog)		—	Falls Church, VA
15.9	W4AVA	Falls Church W4AVA	447.6250	-5	TSQL 107.2	FM (analog)		—	Falls Church, VA
16.1	W4LAM	Gainesville W4LAM	224.4600	-1.6	none	FM (analog)		—	Gainesville, VA
16.2	NV4FM	Tysons Corner NV4FM	145.3400	-0.6	none	D-STAR	🗓 1 net	1 net	Tysons Corner, VA
16.2	NV4FM	Tysons Corner NV4FM	448.0350	-5	none	D-STAR	🗓 1 net	1 net	Tysons Corner, VA
16.2	NV4FM	Tysons Corner NV4FM	1282.8000	-12	none	D-STAR	🗓 1 net	1 net	Tysons Corner, VA
16.3	N3JLT	Alexandria N3JLT Interstate	443.1000	+5	CC1	DMR	Interstate 🗓 1 net	1 net · 70 check-ins · 39 stations	Alexandria, VA
16.6	W4HFH	Alexandria W4HFH	53.1300	-1	TONE 107.2	FM (analog)	🗓 1 net	1 net · 34 check-ins · 18 stations	Alexandria, VA
16.6	W4HFH	Alexandria W4HFH	147.3150	+0.6	TONE 107.2	FM (analog)	🗓 1 net	1 net · 34 check-ins · 18 stations	Alexandria, VA
16.6	W4HFH	Alexandria W4HFH	224.8200	-1.6	TONE 107.2	FM (analog)	🗓 1 net	1 net · 34 check-ins · 18 stations	Alexandria, VA
16.6	W4HFH	Alexandria W4HFH	444.6000	+5	TONE 107.2	FM (analog)	🗓 1 net	1 net · 34 check-ins · 18 stations	Alexandria, VA
16.6	W4HFH	Alexandria W4HFH	1282.6000	-12	TONE 107.2	FM (analog)	🗓 1 net	1 net · 34 check-ins · 18 stations	Alexandria, VA
16.7	N9KET	Tysons Corner N9KET Interstate	441.3375	+5	CC1	DMR	Interstate	—	Tysons Corner, VA
16.8	NV4FM	Tysons Corner NV4FM	146.9100	-0.6	TSQL 77.0	FM (analog)	🗓 1 net	1 net	Tysons Corner, VA
16.8	NV4FM	Tysons Corner NV4FM	447.0250	-5	TSQL 77.0	FM (analog)	🗓 1 net	1 net	Tysons Corner, VA
16.8	WS4VA	Stafford WS4VA	145.3200	-0.6	none	D-STAR		—	Stafford, VA
16.8	WS4VA	Stafford WS4VA	147.3750	+0.6	TSQL 79.7	FM (analog)		—	Stafford, VA
16.8	WS4VA	Stafford WS4VA WIRES-X	444.4500	+5		Fusion (C4FM)	WIRES-X 54540	—	Stafford, VA
16.8	WS4VA	Stafford WS4VA	447.2750	-5	none	D-STAR		—	Stafford, VA
16.8	WS4VA	Stafford WS4VA	1282.2000	-12	none	D-STAR		—	Stafford, VA
16.8	KR4KMS	Stafford KR4KMS BM	449.5000	-5	CC7	DMR	BrandMeister 322289401	—	Stafford, VA
16.9	K0BMM	Arlington K0BMM BM	447.3125	-5	CC1	DMR	BrandMeister 322315305	—	Arlington, VA
17.0	K4US	Alexandria GW K4US	146.6550	-0.6	TSQL 141.3	FM (analog) (C4FM,FM)		—	Alexandria, VA
17.4	KC3BFB	Fort KC3BFB	146.7150	-0.6	TONE 110.9	FM (analog)		—	Fort Washington, MD
17.6	K4HTA	Tysons Corner K4HTA AllStar	146.6850	-0.6	TONE 110.9	FM (analog)	EchoLink 633487 AllStar 52093 🗓 1 net	1 net · 38 check-ins · 27 stations	Tysons Corner, VA
17.7	N4USI	Haymarket N4USI	145.4500	-0.6	none	D-STAR		—	Haymarket, VA
17.7	KA4DCS	Haymarket KA4DCS	145.1300	-0.6	TSQL 107.2	FM (analog)		—	Haymarket, VA
17.7	W4BRM	Haymarket W4BRM	145.4500	-0.6	none	D-STAR		—	Haymarket, VA
17.9	N4FRS	Alexandria N4FRS	449.3750	-5	TONE 203.5	FM (analog) (FM,DV)		—	Alexandria, VA
17.9	W4HFH	Alexandria W4HFH DMRVA	442.4125	+5	CC1	DMR	DMRVA 🗓 1 net	1 net · 34 check-ins · 18 stations	Alexandria, VA
17.9	W4HFH	Alexandria W4HFH	927.6000	-25	TSQL 107.2	FM (analog)	🗓 1 net	1 net · 34 check-ins · 18 stations	Alexandria, VA
17.9	W8RBJ	Reston Atrium W8RBJ EchoLink	147.3750	+0.6	TSQL 131.8	FM (analog)	EchoLink 188962	—	Reston, VA
18.2	WB4MJF	Arlington WB4MJF	145.1500	-0.6	TSQL 107.2	FM (analog)		—	Arlington, VA
18.2	W4WVP	Arlington W4WVP	145.4700	-0.6	TONE 107.2	FM (analog)		—	Arlington, VA
18.2	WA4HIS	Arlington WA4HIS	224.0600	-1.6	none	FM (analog)		—	Arlington, VA
18.2	W4CIA	Arlington W4CIA	441.4500	+5	TONE 110.9	FM (analog) (FM,C4FM)		—	Arlington, VA
18.2	AB4YP	Arlington AB4YP	443.2000	+5	TSQL 114.8	FM (analog)		—	Arlington, VA
18.2	K4AF	Arlington K4AF	444.5500	+5	TONE 88.5	FM (analog)		—	Arlington, VA
18.2	W4AVA	Arlington W4AVA	448.6250	-5	TONE 107.2	FM (analog)		—	Arlington, VA
18.2	W4WVP	Arlington W4WVP	449.3250	-5	TONE 151.4	FM (analog)		—	Arlington, VA
18.2	WA4EKJ	Arlington WA4EKJ	224.6200	-1.6	none	FM (analog)		—	Arlington, VA
18.6	K4IAD	Dulles Arpt K4IAD	147.3300	+0.6	TONE 203.5	FM (analog)		—	Dulles, VA
18.8	K4IAD	Chantilly Dulles K4IAD	444.7500	+5	TONE 100.0	FM (analog)		—	Chantilly, VA
19.0	KQ4TNV	Stafford KQ4TNV BM	446.4125	-5	none	D-STAR (C4FM,DMR,DV)	BrandMeister 314452	—	Stafford, VA
19.0	KQ4TNV	Stafford KQ4TNV WIRES-X	145.7850	simplex		Fusion (C4FM)	WIRES-X 99012	—	Stafford, VA
19.2	N3QEM	Herndon N3QEM Interstate	145.1637	-0.6	CC13	DMR	Interstate	—	Herndon, VA
19.2	N3QEM	Herndon Worldgat N3QEM Interstate	442.4375	+5	CC1	DMR	Interstate	—	Herndon, VA
19.2	N1RM	Reston N1RM	443.0000	+5	TONE 88.5	FM (analog)		—	Reston, VA
19.3	N4CV	Herndon N4CV AWSVirginia	443.0875	+5	CC1	DMR	AWSVirginia	—	Herndon, VA
19.3	N3OCQ	Herndon N3OCQ BM	447.3500	-5	CC1	DMR	BrandMeister 314789	—	Herndon, VA
19.5	N8HM	Arlington N8HM BM	438.4500	-5	CC1	DMR	BrandMeister 311101701	—	Arlington, VA
19.5	KN4EAR	Reston KN4EAR BM	430.8000	in 445.8000	CC1	DMR	BrandMeister 3100457	—	Reston, VA
21.2	W3DOS	Washington Harry W3DOS	145.1900	-0.6	TONE 151.4	FM (analog)		—	Washington, DC
21.6	WA3KOK	Washington WAMU WA3KOK IRLP	449.9750	-5	TSQL 107.2	FM (analog) (FM,P25)	IRLP 4000	—	Washington, DC
21.7	W3HAC	Washington W3HAC	147.3600	+0.6	CC1	DMR		—	Washington, DC
21.7	W3HAC	Washington W3HAC	1283.1000	-12	none	D-STAR		—	Washington, DC
21.8	N3QEM	Sterling N3QEM AWSVirgini	442.8750	+5	CC1	DMR	AWSVirginia	—	Sterling, VA
21.9	W3HAC	Washington W3HAC	444.1625	+5	CC0	DMR		—	Washington, DC
22.1	W3NAB	Washington W3NAB AllStar	442.7000	+5	TONE 103.5	FM (analog)	AllStar 53645	—	Washington, DC
22.2	K3VOA	Washington Wilbu K3VOA AllStar	147.0450	+0.6	TSQL 77.0	FM (analog)	AllStar 23918	—	Washington, DC
22.3	KA3LAO	Washington KA3LAO	145.1100	-0.6	CC1	DMR		—	Washington, DC
22.3	W3DCA	Washington W3DCA	147.2700	+0.6	TONE 100.0	FM (analog)		—	Washington, DC
22.3	N3ADV	Washington N3ADV	447.1750	-5	TONE 156.7	FM (analog)		—	Washington, DC
22.4	W4BRM	Haymarket BR Mtn W4BRM AllStar	53.4900	-1	TSQL 77.0	FM (analog)	AllStar 51082 EchoLink 522456	—	Haymarket, VA
22.4	W4BRM	Haymarket BR Mtn W4BRM	224.4000	-1.6	TONE 77.0	FM (analog)		—	Haymarket, VA
22.4	W4BRM Listed as W4BRM/R	Haymarket BR Mtn W4BRM AllStar	448.2250	-5	TSQL 77.0	FM (analog) (C4FM,FM)	AllStar 27021 EchoLink 522456 WIRES-X 30049	—	Haymarket, VA
22.4	W4BRM	Haymarket BR Mtn W4BRM AllStar	927.6250	-25	TONE 77.0	FM (analog)	AllStar 27061	—	Haymarket, VA
22.6	WS4VA	Stafford WS4VA	145.2700	-0.6	TSQL 79.7	FM (analog)		—	Stafford, VA
22.6	WS4VA	Stafford WS4VA	442.4500	+5	TONE 79.7	FM (analog) (FM,C4FM)		—	Stafford, VA
22.9	WB6EFW	Ashburn WB6EFW BM	434.0000	+5	CC1	DMR	BrandMeister 315103901	—	Ashburn, VA
23.0	W3AGB	Washington W3AGB DMRVA	444.1625	+5	CC1	DMR	DMRVA	—	Washington, DC
23.0	W3AGB	Washington W3AGB K4USD	147.3600	+0.6	CC1	DMR	K4USD	—	Washington, DC
23.0	W3AGB	Washington W3AGB	1283.1000	-12	none	D-STAR		—	Washington, DC
23.1	WA3KOK	Antioch BR Mtn WA3KOK	447.7750	-5	TONE 107.2	FM (analog) (FM,P25)		—	Antioch, VA
23.1	KA4DCS	Antioch BR Mtn KA4DCS	1286.1000	-12	none	FM (analog)		—	Antioch, VA
23.2	K3WS	Washington K3WS AllStar	443.3750	-5	TONE 123.0	FM (analog)	AllStar 27701	—	Washington, DC
23.2	K3WS	Washington K3WS AllStar	447.3750	-5	TONE 123.0	FM (analog)	AllStar 27701	—	Washington, DC
23.3	W4BRM	Haymarket BR Mtn W4BRM BM	448.3250	-5	CC6	DMR	BrandMeister 315148	—	Haymarket, VA
23.6	N3BBF	Potomac N3BBF BM	447.8750	-5	CC1	DMR	BrandMeister 314982	—	Potomac, MD
23.8	W3WDC	Washington W3WDC BM	443.0125	+5	CC4	DMR	BrandMeister 312819502	—	Washington, DC
23.8	N4NVA	Sterling N4NVA BM	439.4500	-5	CC1	DMR	BrandMeister 318186301	—	Sterling, VA
23.9	K3YGG	Bethesda NIH K3YGG EchoLink	145.2900	-0.6	TONE 156.7	FM (analog)	EchoLink 247014	—	Bethesda, MD
23.9	N4FSC	Ashburn N4FSC	145.3100	-0.6	TSQL 77.0	FM (analog)		—	Ashburn, VA
24.3	W4VA	Warrenton W4VA AllStar	147.1650	+0.6	TSQL 167.9	FM (analog)	AllStar 46212 EchoLink 883791 🗓 1 net	1 net · 1 check-ins · 1 stations	Warrenton, VA
24.3	W4VA	Warrenton W4VA	442.2500	+5	TSQL 167.9	FM (analog)	🗓 1 net	1 net · 1 check-ins · 1 stations	Warrenton, VA
24.8	K4MMJ	Fredericksb FMl8 K4MMJ BM	433.1000	+5	CC1	DMR	BrandMeister 317511602	—	Fredericksburg, FMl8, VA
25.1	NV4FM	Ashburn NV4FM	53.6100	-1	none	FM (analog)	🗓 1 net	1 net	Ashburn, VA
25.6	KO4NCX	Ashburn KO4NCX BM	447.6750	-5	none	D-STAR (DMR,DV)	BrandMeister 312899	—	Ashburn, VA
26.1	W3SMR	Brandywine W3SMR	147.1500	+0.6	TSQL 114.8	FM (analog)		—	Brandywine, MD
26.8	K3ERA	District Heights K3ERA EchoLink	145.2300	-0.6	TSQL 110.9	FM (analog) (FM,C4FM)	EchoLink 294165 🗓 2 nets	2 nets · 39 check-ins · 15 stations	District Heights, MD
26.8	KA3LAO	Silver Spring KA3LAO	147.1800	+0.6	TONE 156.7	FM (analog) (FM,P25)		—	Silver Spring, MD
26.8	WB3GXW	Silver Spring WB3GXW EchoLink	147.2250	+0.6	TONE 156.7	FM (analog)	EchoLink 147225	—	Silver Spring, MD
26.8	N3AUY	Silver Spring N3AUY	29.6600	-0.1	TSQL 141.3	FM (analog)		—	Silver Spring, MD
26.8	N3AUY	Silver Spring N3AUY	449.0250	-5	TONE 156.7	FM (analog)		—	Silver Spring, MD
26.8	N3BBF	Potomac N3BBF BM	442.9000	+5	CC1	DMR	BrandMeister 314963	—	Potomac, MD
26.9	WA3YUV	Brandywine WA3YUV	443.6000	+5	TSQL 103.5	FM (analog) (FM,C4FM)		—	Brandywine, MD
27.2	WB6EFW	Ashburn WB6EFW BM	442.1375	+5	CC1	DMR	BrandMeister 315107	—	Ashburn, VA
27.2	WB6EFW	Leesburg WB6EFW AllStar	145.1850	-0.6	TSQL 103.5	FM (analog)	AllStar 66672 EchoLink 485356	—	Leesburg, VA
27.2	WB6EFW	Leesburg WB6EFW	224.0000	-1.6	TSQL 123.0	FM (analog)		—	Leesburg, VA
27.4	WX4EMC	Fredericksburg WX4EMC DMRVA	442.4000	+5	CC1	DMR	DMRVA	—	Fredericksburg, VA
27.5	WA3YOO	North Bethesda WA3YOO	224.9400	-1.6	TONE 156.7	FM (analog)		—	North Bethesda, MD
27.6	W1ZFB	Fredericksburg W1ZFB AllStar	51.8600	-0.5	TONE 127.3	FM (analog)	AllStar 42839 EchoLink 303832	—	Fredericksburg, VA
27.6	AE4ML	Fredericksburg AE4ML DMRVA	442.8500	+5	TSQL 79.7	FM (analog) (DMR,FM,P25)	DMRVA	—	Fredericksburg, VA
27.8	KV3B	Rockville KV3B	146.9550	-0.6	none	FM (analog)		—	Rockville, MD
27.9	K3GMR	Bladensburg K3GMR EchoLink	146.6100	-0.6	TSQL 77.0	FM (analog)	EchoLink 796114	—	Bladensburg, MD
28.3	AE4ML	Spotsylvania AE4ML DMRVA	442.4000	+5	CC1	DMR	BrandMeister 310747 DMRVA	—	Spotsylvania, VA
28.3	N8RAT	Fredericksburg N8RAT DMRVA	442.1125	+5	CC1	DMR	DMRVA	—	Fredericksburg, VA
28.3	WA3RF	Cheverly WA3RF AllStar	441.0000	+5	TONE 173.8	FM (analog)	AllStar 57512	—	Cheverly, MD
28.8	NC3M	Rockville NC3M AllStar	445.9750	simplex	TONE 100.0	FM (analog)	AllStar 47835	—	Rockville, MD
28.9	WA3YOO	Rockville WA3YOO Interstat	443.9000	+5	TONE 156.7	FM (analog) (DMR,FM,P25)	Interstate-3-Network	—	Rockville, MD
28.9	N3JFW	Rockville N3JFW K4USD-Net	442.4875	+5	CC1	DMR	K4USD-Net	—	Rockville, MD
28.9	KV3B	Rockville KV3B	442.7500	+5	TSQL 156.7	FM (analog) (C4FM,FM)		—	Rockville, MD
28.9	WA3KOK	Rockville WA3KOK	927.1375	-25	TONE 156.7	FM (analog)		—	Rockville, MD
29.4	N3TUK	Adelphi N3TUK AllStar	443.6625	+5	CC1	DMR	AllStar 43105 BrandMeister 313057	—	Adelphi, MD
29.4	W3KIT	SHARI-UHF W3KIT AllStar	438.2875	simplex	TONE 203.5	FM (analog)	AllStar 547612 AllStar 547619	—	SHARI-UHF Maryland, MD
29.4	N3PZZ	King George Dahl N3PZZ	145.3300	-0.6	TONE 88.5	FM (analog)		—	King George, VA
29.5	K4GVA	King George K4GVA	448.4750	-5	TONE 79.7	FM (analog)		—	King George, VA
29.5	W4KGC	King George W4KGC	146.7450	-0.6	TSQL 107.2	FM (analog)		—	King George, VA
29.5	N3PZZ	Dahlgren Potomac N3PZZ	145.2500	-0.6	TONE 88.5	FM (analog)		—	Dahlgren, VA
29.5	W3EAX	College Park UMD W3EAX EchoLink	145.4900	-0.6	none	FM (analog)	EchoLink 318547	—	College Park, MD
29.9	KR4IXC	Warrenton KR4IXC BM	433.3350	+1	CC1	DMR	BrandMeister 3221890	—	Warrenton, VA
29.9	W3MFP	Wheaton W3MFP BM	442.8875	+5	CC5	DMR	BrandMeister 312428101	—	Wheaton, MD
30.3	KC8VFN	King George Locu KC8VFN	146.7750	-0.6	TSQL 110.9	FM (analog)		—	King George, VA
30.5	W4ATN	Largo W4ATN MARC	443.7875	+5	CC3	DMR	DMR-MARC	—	Largo, MD
30.8	K4TS	Fred Chancellor K4TS	147.0150	+0.6	TSQL 79.7	FM (analog)	🗓 1 net	1 net	Fredericksburg, VA
30.8	N3EV	Leesburg N3EV BM	145.1700	-0.6	CC1	DMR	BrandMeister 311789	—	Leesburg, VA
30.8	N3EV	Leesburg N3EV BM	442.9000	+5	CC1	DMR	BrandMeister 311790	—	Leesburg, VA
30.8	N3EV	Leesburg N3EV BM	447.8750	-5	CC1	DMR	BrandMeister 311791	—	Leesburg, VA
30.8	N3EV	Leesburg N3EV BM	447.8250	-5	CC1	DMR	BrandMeister 311792	—	Leesburg, VA
30.8	N3EV	Leesburg N3EV BM	447.7250	-5	CC1	DMR	BrandMeister 311793	—	Leesburg, VA
30.8	WR3D	Leesburg WR3D OpenDMR	443.9000	+5	CC1	DMR	OpenDMR	—	Leesburg, VA
30.8	KI4EKI	Amissville KI4EKI EchoLink	223.5200	simplex	TONE 141.3	FM (analog)	EchoLink 175627	—	Amissville, VA
31.0	K4TS	Fred Chancellor K4TS	443.8500	+5	TSQL 79.7	FM (analog) (FM,C4FM)		—	Fredericksburg, VA
31.2	N4VKF	Spotsylvania N4VKF BM	434.5500	+5	CC1	DMR	BrandMeister 3151100	—	Spotsylvania, VA
31.2	W4ETC	Remington W4ETC BM	433.5500	in 439.5500	CC1	DMR	BrandMeister 3214299	—	Remington, VA
31.3	W1ZFB	Fred Four Mile F W1ZFB AllStar	927.0375	-25	TSQL 91.5	FM (analog)	AllStar 41631	—	Fredericksburg, VA
31.5	WA4TXE	Leesburg WA4TXE	146.7000	-0.6	TONE 77.0	FM (analog)		—	Leesburg, VA
31.5	WA4TXE	Leesburg WA4TXE	442.1000	+5	TONE 77.0	FM (analog)		—	Leesburg, VA
31.5	WA3KOK	Leesburg WA3KOK	927.0500	-25	TSQL 156.7	P25		—	Leesburg, VA
32.1	KV3B	Gaithersburg KV3B	53.2700	-1	TSQL 156.7	FM (analog)		—	Gaithersburg, MD
32.1	KA3LAO	Gaithersburg RF KA3LAO Interstat	441.8875	+5	CC1	DMR	Interstate-Network	—	Gaithersburg, MD
32.6	N3LHD	Upper Marlboro N3LHD Interstate	444.6500	+5	CC6	DMR	Interstate-c-Bridge-1	—	Upper Marlboro, MD
32.6	K3ERA	Lanham DC Hosp K3ERA	447.3250	-5	TONE 110.9	FM (analog)	🗓 2 nets	2 nets · 39 check-ins · 15 stations	Lanham, MD
33.0	K3VOA	Silver Spring K3VOA AllStar	447.5750	-5	TONE 77.0	FM (analog)	AllStar 23919	—	Silver Spring, MD
33.2	WA3NAN	Greenbelt WA3NAN	146.8350	-0.6	TONE 114.8	FM (analog)		—	Greenbelt, MD
33.2	W3GMR	Greenbelt W3GMR	146.8800	-0.6	TSQL 77.0	FM (analog)		—	Greenbelt, MD
33.3	KY3O	Calverton KY3O BM	438.4500	-5	CC1	DMR	BrandMeister 318573701	—	Calverton, MD
33.4	WA3KOK	Germantown WA3KOK	147.2700	+0.6	TONE 156.7	FM (analog) (FM,P25)		—	Germantown, MD
33.4	KV3B	Germantown KV3B	444.2000	+5	none	D-STAR		—	Germantown, MD
33.8	WX4EMC	Frederic Cosners WX4EMC DMRVA	145.3000	-0.6	CC1	DMR	DMRVA	—	Fredericksburg, VA
34.1	K3OCM	Charlotte Hall K3OCM K4USD-Net	443.1875	+5	CC6	DMR	K4USD-Net	—	Charlotte Hall, MD
34.3	N3LHD	Aquasco N3LHD Interstate	442.4625	+5	CC1	DMR	Interstate-c-Bridge-1	—	Aquasco, MD
34.9	K4AUI	Hamilton K4AUI	441.7000	+5	none	FM (analog)		—	Hamilton, VA
35.1	K3UCB	Olney K3UCB Interstate	442.9000	+5	CC1	DMR	Interstate-Network	—	Olney, MD
36.3	WA3KOK	Ashton WA3KOK	444.0500	+5	none	FM (analog) (FM,P25)		—	Ashton, MD
36.5	WA3KOK	Ashton WA3KOK Interstat	442.2375	+5	none	FM (analog) (DMR,FM)	Interstate-Network	—	Ashton, MD
36.6	WX4EMC	Spotsylvania WX4EMC	224.2600	-1.6	TONE 114.8	FM (analog)		—	Spotsylvania, VA
36.7	N3AGB	Ashton N3AGB	53.2500	-1	TSQL 100.0	FM (analog)		—	Ashton, MD
36.7	KC3BXH	Ashton KC3BXH EchoLink	147.0000	-0.6	TONE 156.7	FM (analog) (FM,P25)	EchoLink 105440	—	Ashton, MD
36.7	K3WX	Ashton K3WX	224.5400	-1.6	TONE 156.7	FM (analog)		—	Ashton, MD
36.7	KC3BXH	Ashton KC3BXH	443.1500	+5	TSQL 156.7	FM (analog) (FM,P25)		—	Ashton, MD
36.7	KC3BXH	Ashton KC3BXH IRLP	927.7250	-25	TONE 156.7	FM (analog)	IRLP 4088	—	Ashton, MD
36.8	N3PX	Mechanicsville N3PX	147.1950	+0.6	TSQL 156.7	FM (analog)	🗓 1 net	1 net · 34 check-ins · 12 stations	Mechanicsville, MD
37.9	N3KUN	Chaptico N3KUN	145.2500	-0.6	TONE 110.9	FM (analog)		—	Chaptico, MD
38.1	W3SQN	Laurel W3SQN BM	442.9000	+5	CC1	DMR	BrandMeister 312418	—	Laurel, MD
38.3	KA4DCS	Culpeper KA4DCS	53.9100	-0.5	TONE 100.0	FM (analog)		—	Culpeper, VA
38.4	KJ4NXG	Round Hill KJ4NXG AllStar	147.4200	simplex	TONE 100.0	FM (analog)	AllStar 50459	—	Round Hill, VA
38.7	N3JLT	Bluemont Blue N3JLT	147.3000	+0.6	TONE 146.2	FM (analog)	🗓 1 net	1 net · 70 check-ins · 39 stations	Bluemont, VA
38.7	WA4TSC	Mt Weather WA4TSC	147.3000	+0.6	TONE 146.2	FM (analog)	🗓 1 net	1 net	Mt. Weather, VA
38.8	W4ATN	Laurel W4ATN	443.8000	+5	CC3	DMR		—	Laurel, MD
38.8	W4ATN	Laurel W4ATN	145.3900	-0.6	none	FM (analog)		—	Laurel, MD
38.8	W3LRC	Laurel W3LRC	442.5000	+5	TONE 156.7	FM (analog)		—	Laurel, MD
39.0	K8GP Listed as K8GP/R	Bluemont K8GP AllStar	443.6500	+5	TONE 77.0	FM (analog)	AllStar 28185	—	Bluemont, VA
39.0	N3JLT	Bluemont Mt N3JLT Interstate	449.9250	-5	CC1	DMR	Interstate-2-Network 🗓 1 net	1 net · 70 check-ins · 39 stations	Bluemont, VA
39.6	WA3KOK	Laurel WA3KOK IRLP	446.5000	simplex	TSQL 100.0	FM (analog)	IRLP 4332	—	Laurel, MD
40.0	W3VPR	Davidsonville W3VPR	147.1050	+0.6	TONE 107.2	FM (analog)	🗓 5 nets	5 nets · 553 check-ins · 79 stations	Davidsonville, MD
40.0	W3VPR	Davidsonville W3VPR	223.8800	-1.6	TONE 107.2	FM (analog)	🗓 5 nets	5 nets · 553 check-ins · 79 stations	Davidsonville, MD
40.0	W3VPR	Davidsonville W3VPR	444.4000	+5	TSQL 107.2	FM (analog)	🗓 5 nets	5 nets · 553 check-ins · 79 stations	Davidsonville, MD
40.6	K3CAL	Sunderland K3CAL EchoLink	146.9850	-0.6	TONE 156.7	FM (analog) (FM,C4FM)	EchoLink 389207 🗓 1 net	1 net	Sunderland, MD
40.6	N3PPH	Sunderland Mt N3PPH Interstate	441.6375	+5	CC1	DMR	Interstate-2	—	Sunderland, MD
40.7	KB3LYL	Damascus KB3LYL K4USD-Net	442.2125	+5	CC1	DMR	K4USD-Net	—	Damascus, MD
40.8	N8RAT	Blue Mounta WAIW N8RAT AllStar	224.2800	-1.6	TSQL 100.0	FM (analog)	AllStar 508860	—	Blue Mountain, VA
40.8	N8RAT	WV/VA N8RAT AllStar	223.5200	simplex	TONE 100.0	FM (analog)	AllStar 508861	—	WV/VA, VA
40.8	N8RAT	WV/VA N8RAT AllStar	223.5600	simplex	TONE 123.0	FM (analog)	AllStar 508864	—	WV/VA, VA
41.0	W3SMD	Barstow W3SMD AllStar	223.9000	-1.6	TONE 186.2	FM (analog)	AllStar 513100	—	Barstow, MD
41.1	N3FI	Barstow N3FI	443.7000	+5	TSQL 179.9	FM (analog) (FM,C4FM)		—	Barstow, MD
41.2	K3CUJ	Columbia K3CUJ WIRES-X	449.4750	-5		Fusion (C4FM)	WIRES-X 30215	—	Columbia, MD
41.5	W3PQS	Prince Frederick W3PQS	53.1700	-1	TSQL 100.0	FM (analog)		—	Prince Frederick, MD
42.0	N3UR	Linden BR Mtns N3UR	442.3500	+5	TONE 123.0	FM (analog)		—	Linden, VA
42.1	N3UHD	Linden N3UHD EchoLink	444.1500	+5	TSQL 77.0	FM (analog)	EchoLink 481682	—	Linden, VA
42.2	N6PPP	Town L0C4T0R N6PPP BM	445.0000	-5	CC1	DMR	BrandMeister 3110809	—	Town, L0C4T0R, MD
42.3	N3PPH	Prince Frederick N3PPH Interstate	441.3875	+5	CC1	DMR	Interstate-3	—	Prince Frederick, MD
42.3	KB3IAI	Gambrills KB3IAI BM	439.9000	in 438.2000	CC1	DMR	BrandMeister 3172111	—	Gambrills, MD
42.4	W3YVV	Dayton W3YVV	927.5375	-25	TSQL 156.7	FM (analog)		—	Dayton, MD
42.9	KB3HGW	Jessup KB3HGW BM	448.8000	-5	CC1	DMR	BrandMeister 321114701	—	Jessup, MD
43.4	K4QJZ	Front Royal High K4QJZ	145.2100	-0.6	TONE 141.3	FM (analog)		—	Front Royal, VA
43.4	K4QJZ	Front Royal High K4QJZ	442.7250	+5	TONE 107.2	FM (analog) (FM,P25)		—	Front Royal, VA
43.4	N3SCP	Gambrills N3SCP WIRES-X	447.5500	-5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 18557	—	Gambrills, MD
43.4	N3SCP	Gambrills N3SCP WIRES-X	442.5500	+5	TONE 107.2	FM (analog) (FM,C4FM)	WIRES-X 18557	—	Gambrills, MD
43.7	N3PPH	Mechanicsville N3PPH Interstate	441.7875	+5	CC1	DMR	Interstate-2	—	Mechanicsville, MD
43.8	KG1JAG	Town L0C4T0R KG1JAG BM	446.5000	-5	CC1	DMR	BrandMeister 321925001	—	Town, L0C4T0R, MD
43.9	W3CAM	Columbia W3CAM	224.8600	-1.6	none	FM (analog)		—	Columbia, MD
44.0	KA3LAO	Jessup KA3LAO Interstat	442.7125	+5	CC1	DMR	Interstate-2-Network	—	Jessup, MD
44.0	WA3DZD	Jessup WA3DZD	146.7600	-0.6	TSQL 107.2	FM (analog)		—	Jessup, MD
44.0	WA3DZD	Jessup WA3DZD	444.0000	+5	TSQL 107.2	FM (analog)		—	Jessup, MD
44.5	AE4ML	Bowling Gre SRMC AE4ML	442.5750	+5	TSQL 79.7	FM (analog) (DMR,FM,P25)		—	Bowling Green, VA
44.8	WG3K	Chesapeake Beach WG3K BM	444.3500	+5	none	D-STAR (DMR,DV)	BrandMeister 312393	—	Chesapeake Beach, MD
45.3	KA2JAI	Millersville KA2JAI EchoLink	146.8050	-0.6	TSQL 107.2	FM (analog)	EchoLink 🗓 1 net	1 net	Millersville, MD
45.3	W3VPR	Crownsville W3VPR EchoLink	147.0750	+0.6	TSQL 107.2	FM (analog)	EchoLink 524902 🗓 5 nets	5 nets · 553 check-ins · 79 stations	Crownsville, MD
46.4	KB3CMA	Annapolis Broad KB3CMA Interstat	441.8375	+5	CC1	DMR	Interstate-3	—	Annapolis, MD
46.4	KB3CMA	Annapolis Broad KB3CMA	442.3000	+5	TSQL 107.2	FM (analog) (C4FM,FM)		—	Annapolis, MD
46.6	K3CUJ	Cooksville K3CUJ	448.2750	-5	TSQL 156.7	FM (analog) (FM,C4FM)		—	Cooksville, MD
46.6	K3CUJ	Columbia K3CUJ	147.1350	+0.6	TSQL 156.7	FM (analog) (FM,C4FM)		—	Columbia, MD
46.8	K3CUJ	Cooksville K3CUJ	147.3900	+0.6	TONE 156.7	FM (analog) (C4FM,FM)		—	Cooksville, MD
46.9	KF4AH	Montross KF4AH	146.8950	-0.6	TSQL 110.9	FM (analog)		—	Montross, VA
47.3	K3LMS	Jefferson K3LMS	443.3000	+5	TONE 100.0	FM (analog)		—	Jefferson, MD
47.8	W3BPT	Hollywood W3BPT Interstate	146.8500	-0.6	CC1	DMR	Interstate-3	—	Hollywood, MD
47.9	N3PPH	Hollywood Fire N3PPH	145.3500	-0.6	TONE 156.7	FM (analog)		—	Hollywood, MD
47.9	W3CU	Millersville W3CU EchoLink	146.8050	-0.6	TONE 107.2	FM (analog)	EchoLink 90911	—	Millersville, MD
47.9	W3VPR	Millersville W3VPR	224.5600	-1.6	TONE 107.2	FM (analog)	🗓 5 nets	5 nets · 553 check-ins · 79 stations	Millersville, MD
47.9	W3CU	Millersville W3CU	449.1250	-5	TONE 107.2	FM (analog) (FM,C4FM)		—	Millersville, MD
48.3	K4QJZ	Front Royal K4QJZ	51.9400	-0.5	TONE 141.3	FM (analog)		—	Front Royal, VA
48.3	W3CGT	Mount Airy W3CGT	448.5750	-5	TONE 69.3	FM (analog)		—	Mount Airy, MD
48.5	W3VLG	Charles Town W3VLG WIRES-X	440.8000	+5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 52840	—	Charles Town, WV
48.5	W3VLG	Charles Town W3VLG WIRES-X	145.4800	-0.6	DG-ID 00-00	Fusion (C4FM)	WIRES-X 33277	—	Charles Town, WV
49.4	N3EZD	Ellicott City N3EZD	224.3200	-1.6	none	FM (analog)		—	Ellicott City, MD
49.4	N3EZD	Ellicott City N3EZD	449.5250	-5	TONE 100.0	FM (analog)		—	Ellicott City, MD
49.4	KC3OQK	Ellicott City KC3OQK BM	439.0000	-5	CC1	DMR	BrandMeister 3159601	—	Ellicott City, MD
49.4	KC3OQK	Ellicott City KC3OQK BM	449.0000	-5	CC1	DMR	BrandMeister 315960101	—	Ellicott City, MD
49.5	KC3FOQ	Leonardtown Fair KC3FOQ	443.3000	+5	TONE 123.0	FM (analog) (FM,C4FM)	🗓 1 net	1 net · 6 check-ins · 6 stations	Leonardtown, MD
49.5	KC3FOQ	Leonardtown Fair KC3FOQ	147.3900	+0.6	TONE 146.2	FM (analog) (FM,C4FM)	🗓 1 net	1 net · 6 check-ins · 6 stations	Leonardtown, MD
49.6	N5SWR	Charles Town N5SWR WIRES-X	145.4800	-0.6		Fusion (C4FM)	WIRES-X 33277	—	Charles Town, WV
49.6	WA4TXE	Charles Town WA4TXE	146.8500	-0.6	TONE 77.0	FM (analog)		—	Charles Town, WV
49.9	KC4RCR	Berryville KC4RCR AllStar	444.3000	+5	TSQL 141.3	FM (analog)	AllStar 58830 EchoLink 527721	—	Berryville, VA
50.0	K3MAD	Frederick K3MAD	147.0600	+0.6	TSQL 146.2	FM (analog)	🗓 2 nets	2 nets · 113 check-ins · 38 stations	Frederick, MD
50.0	K3MAD	Frederick K3MAD	224.2000	-1.6	TONE 123.0	FM (analog)	🗓 2 nets	2 nets · 113 check-ins · 38 stations	Frederick, MD
50.0	WA3KOK	Frederick WA3KOK	443.4000	+5	TSQL 136.5	FM (analog) (FM,P25)		—	Frederick, MD
11.1	N3QEM offline	Fairfax N3QEM	442.9125	-5	CC?	DMR		—	Fairfax, VA
16.9	W7DQ offline	Widewater W7DQ IRLP	446.9250	simplex	TSQL 107.2	FM (analog)	IRLP 3510	—	Widewater, VA
17.7	N4USI offline	Haymarket N4USI	442.4125	+5	none	D-STAR		—	Haymarket, VA
18.8	KI4AD offline	Ashburn Dulles KI4AD	145.3100	-0.6	TSQL 77.0	FM (analog) (FM,C4FM)		—	Ashburn, VA
19.0	WU5MC offline	Stafford WU5MC	442.4875	+5	none	D-STAR		—	Stafford, VA
21.7	K3MRC offline	Washington K3MRC	145.4300	-0.6	TSQL 114.8	FM (analog) (FM,C4FM)		—	Washington, DC
21.7	KC3VO offline	Washington KC3VO	448.8750	-5	none	FM (analog)		—	Washington, DC
22.2	K3VOA offline	Washington Wilbu K3VOA	448.5750	-5	TSQL 77.0	FM (analog)		—	Washington, DC
25.1	KQ4CI offline	Ashburn KQ4CI WIRES-X	447.9000	-5	TSQL 100.0	FM (analog)	WIRES-X 72405	—	Ashburn, VA
25.1	KI4AD offline	Ashburn KI4AD	448.8250	-5	TONE 77.0	FM (analog)		—	Ashburn, VA
29.4	W3ARL offline	Adelphi W3ARL	145.3700	-0.6	none	FM (analog)		—	Adelphi, MD
30.6	N3HF offline	Silver Spring N3HF IRLP	443.4500	+5	TSQL 156.7	FM (analog)	IRLP 4712	—	Silver Spring, MD
33.4	WB3GXW offline	Silver Spring WB3GXW	444.2500	+5	TONE 156.7	FM (analog)		—	Silver Spring, MD
36.7	N2XHZ offline	Spotsylvania N2XHZ	447.8750	-5	none	FM (analog)		—	Spotsylvania, VA
37.4	W3XJ offline	Bowie W3XJ	442.1500	+5	none	FM (analog)		—	Bowie, MD
39.6	WA3KOK offline	Laurel WA3KOK IRLP	144.4400	simplex	none	FM (analog)	IRLP 4173	—	Laurel, MD
39.6	WA3KOK offline	Clarksville WA3KOK IRLP	144.9700	simplex	TSQL 107.2	FM (analog)	IRLP 4542	—	Clarksville, MD
40.8	N8RAT offline	Blue Mounta WAIW N8RAT DMRVA	443.1625	+5	CC1	DMR	DMRVA	—	Blue Mountain, VA
41.5	W3LRC offline	Jessup W3LRC BM	447.8500	-5	CC1	DMR	BrandMeister 314342	—	Jessup, MD
41.7	KR4DO offline	Blue Mountain KR4DO	224.1600	-1.6	none	FM (analog)		—	Blue Mountain, VA
45.2	KP4IP offline	Millersville KP4IP BM	442.4000	+5	CC1	DMR	BrandMeister 310148	—	Millersville, MD
47.9	KB3FWW offline	Hollywood KB3FWW IRLP	449.4900	simplex	TSQL 146.2	FM (analog)	IRLP 8856	—	Hollywood, MD
50.0	K3HP offline	Frederick K3HP AllStar	145.2500	-0.6	TONE 146.2	FM (analog)	AllStar 29523	—	Frederick, MD