N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:45 am CDT · next update today 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

W3TCU HAM

General class licensed since 1993 (33 yrs) W3TCU since 2008 · previously KB3DFI Saint Michaels, MD Grid FM18vr eQSL AG 201 repeaters within 50 mi

🔒 Not available — currently licensed, through Jul 11, 2028. If it isn't renewed, it opens for vanity requests Jul 12, 2030.

📬 QSL: no LoTW uploads on record · eQSL AG member · QRZ · HamQTH

📝 W3TCU has filed vanity applications before — latest filed Jun 23, 2008 · what was requested

Currently held by THOMAS C UNDERWOOD · 1 holder on record

Current holder: THOMAS C UNDERWOOD

Held W3TCU Jul 11, 2008 → present · first licensed Mar 2, 1993 as N3OLN · 2 licenses · FRN 0017892548
📖 In the printed callbooks since 1981 as N6CFJ, before the FCC's online records

W3TCU Active General · vanity Jul 11, 2008 → expires Jul 11, 2028

Licensee
THOMAS C UNDERWOOD

Address
25168 WATCH GOOSE FARM ROAD
SAINT MICHAELS, MD 21663-2746
38.7486, -76.2047 (street) · Grid FM18vr · CQ 5 · ITU 8 · map ↗

FRN
0017892548

Previous call
KB3DFI

Last granted
Apr 20, 2018

Effective
Jun 1, 2018

Last action
Jun 1, 2018
FCC actions (6)
- Jun 14, 2018 — Authorization printed AUTHPR
- Jun 13, 2018 — FCC action RCDUP
- Jun 1, 2018 — Administrative update LIAUA
- Apr 20, 2018 — License renewed LIREN
- Jul 11, 2008 — Vanity call sign granted VANGRT
- Jul 11, 2008 — License issued LIISS
KB3DFI Canceled General Nov 25, 1998 → Jul 11, 2008 (canceled)

Licensee
THOMAS C UNDERWOOD

Address
25168 WATCH GOOSE FARM RD
SAINT MICHAELS, MD 21663
38.7880, -76.2312 (ZIP center) · Grid FM18vs · CQ 5 · ITU 8 · map ↗

FRN
0017892548

Previous call
N3OLN

Last granted
Nov 25, 1998

Effective
Nov 25, 1998

Last action
Jul 11, 2008
FCC actions (2)
- Jul 11, 2008 — License canceled LICAN
- Jun 23, 2008 — FCC action ESCFRN

Callbook Records, 1993–2003

From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.

Seen Apr 7, 1999 → Apr 17, 2003 · 9 discs
KB3DFI · General · issued Nov 25, 1998, expires Nov 25, 2008 · previously N3OLN
THOMAS C. UNDERWOOD
25168 WATCH GOOSE FARM RD, SAINT MICHAELS, MD 21663
Seen Sep 9, 1993 → Nov 11, 1998 · 10 discs
N3OLN · General · issued Mar 2, 1993, expires Mar 2, 2003 · previously N6CFJ
THOMAS C UNDERWOOD
1901 EDNOR RD, SILVER SPRING, MD 20905

Address history

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

Seen Sep 3, 2018 → Oct 11, 2026 · 17 snapshots · as W3TCU
THOMAS C UNDERWOOD
25168 WATCH GOOSE FARM ROAD, SAINT MICHAELS, MD 21663-2746
38.7486, -76.2047 (street) · Grid FM18vr · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 11, 2026 · 80 snapshots · as KB3DFI
THOMAS C UNDERWOOD
25168 WATCH GOOSE FARM RD, SAINT MICHAELS, MD 21663
38.7880, -76.2312 (ZIP center) · Grid FM18vs · CQ 5 · ITU 8 · map ↗

W3TCU in the Printed Callbooks, 1909–1997

From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.

1952 · 1 edition
W3TCU
G Ustave M .t H Y N E Ll
9903 W Ood B U Rn R D ., S Ilv E R S Prin G, MD
Fall 1952 p.125

Vanity Applications Filed by W3TCU

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 Jun 23, 2008 Granted Apr 20, 2018 0003483147	KB3DFI · THOMAS C UNDERWOOD · General 25168 WATCH GOOSE FARM RD, SAINT MICHAELS, MD 21663 38.7880, -76.2312 (ZIP center) · Grid FM18vs · CQ 5 · ITU 8 · map ↗	1.W3TCU ✓ Granted 2.KB3TCU Available 3.WA3TCU Never issued 4.WB3TCU Never issued	Granted got W3TCU

Others Requesting W3TCU

1 application listed W3TCU as a choice, newest first.

Filed	Award	Applicant	Choice #	W3TCU	Result
Jun 23, 2008	Jul 11, 2008	KB3DFI · THOMAS C UNDERWOOD · SAINT MICHAELS, MD	1	Granted	Granted this call

📡 On the Air: APRS, Digital & WSPR Spots

No APRS positions, PSK Reporter reports or WSPR spots for W3TCU in the last 24 hours. They show up here within seconds of W3TCU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

Repeaters within 50 Miles

201 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
7.1	K3EMD	Easton URM Ctr K3EMD WIRES-X	442.2000	+5	TSQL 156.7	FM (analog) (FM,C4FM)	WIRES-X 33142	—	Easton, MD
10.1	N3YMS	Trappe N3YMS Interstate	442.5375	+5	CC1	DMR	Interstate	—	Trappe, MD
11.4	K3EMD	Easton K3EMD WIRES-X	147.0450	+0.6	TSQL 156.7	FM (analog)	WIRES-X 43142	—	Easton, MD
18.1	W3GAB	Stevensville W3GAB BM	433.8000	+5	CC1	DMR	BrandMeister 321788101	—	Stevensville, MD
19.0	WG3K	Chesapeake Beach WG3K BM	444.3500	+5	none	D-STAR (DMR,DV)	BrandMeister 312393	—	Chesapeake Beach, MD
21.6	W3ETC	Centreville W3ETC	927.6500	-25	TSQL 156.7	FM (analog) (FM,P25)		—	Centreville, MD
21.6	KE3AO	Centreville KE3AO	146.9400	-0.6	TONE 107.2	FM (analog)		—	Centreville, MD
21.6	KE3AO	Centreville KE3AO	448.2250	-5	TONE 107.2	FM (analog) (FM,C4FM)		—	Centreville, MD
21.6	N3PPH	Sunderland Mt N3PPH Interstate	441.6375	+5	CC1	DMR	Interstate-2	—	Sunderland, MD
21.6	K3CAL	Sunderland K3CAL EchoLink	146.9850	-0.6	TONE 156.7	FM (analog) (FM,C4FM)	EchoLink 389207 🗓 1 net	1 net	Sunderland, MD
23.0	N3HAZ	Annapolis N3HAZ BM	439.5500	in 433.5500	CC1	DMR	BrandMeister 3197367	—	Annapolis, MD
23.6	N3KNT	Federalsburg N3KNT Interstate	442.0500	+5	CC1	DMR	Interstate-2-Network	—	Federalsburg, MD
24.8	W3PQS	Prince Frederick W3PQS	53.1700	-1	TSQL 100.0	FM (analog)		—	Prince Frederick, MD
25.2	KB3CMA	Annapolis Broad KB3CMA Interstat	441.8375	+5	CC1	DMR	Interstate-3	—	Annapolis, MD
25.2	KB3CMA	Annapolis Broad KB3CMA	442.3000	+5	TSQL 107.2	FM (analog) (C4FM,FM)		—	Annapolis, MD
25.5	N3PPH	Prince Frederick N3PPH Interstate	441.3875	+5	CC1	DMR	Interstate-3	—	Prince Frederick, MD
25.9	KB2SKP	Lexington Park KB2SKP BM	446.0125	in 433.0125	CC1	DMR	BrandMeister 314491901	—	Lexington Park, MD
26.4	W3VPR	Davidsonville W3VPR	147.1050	+0.6	TONE 107.2	FM (analog)	🗓 5 nets	5 nets · 679 check-ins · 85 stations	Davidsonville, MD
26.4	W3VPR	Davidsonville W3VPR	223.8800	-1.6	TONE 107.2	FM (analog)	🗓 5 nets	5 nets · 679 check-ins · 85 stations	Davidsonville, MD
26.4	W3VPR	Davidsonville W3VPR	444.4000	+5	TSQL 107.2	FM (analog)	🗓 5 nets	5 nets · 679 check-ins · 85 stations	Davidsonville, MD
26.6	KC3FCQ	Arnold KC3FCQ BM	442.8750	+5	CC1	DMR	BrandMeister 312411801	—	Arnold, MD
26.9	N3FI	Barstow N3FI	443.7000	+5	TSQL 179.9	FM (analog) (FM,C4FM)		—	Barstow, MD
27.1	W3SMD	Barstow W3SMD AllStar	223.9000	-1.6	TONE 186.2	FM (analog)	AllStar 513100	—	Barstow, MD
28.3	W3VPR	Crownsville W3VPR EchoLink	147.0750	+0.6	TSQL 107.2	FM (analog)	EchoLink 524902 🗓 5 nets	5 nets · 679 check-ins · 85 stations	Crownsville, MD
28.4	K3CAL	Lusby Appeal K3CAL EchoLink	444.9500	+5	TSQL 156.7	FM (analog) (FM,C4FM)	EchoLink 389207 🗓 1 net	1 net	Lusby, MD
30.3	N3LHD	Aquasco N3LHD Interstate	442.4625	+5	CC1	DMR	Interstate-c-Bridge-1	—	Aquasco, MD
30.5	K3DRC	Salisbury WMDT K3DRC	146.8200	-0.6	TSQL 156.7	FM (analog)		—	Salisbury, MD
32.1	N3SCP	Gambrills N3SCP WIRES-X	447.5500	-5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 18557	—	Gambrills, MD
32.1	N3SCP	Gambrills N3SCP WIRES-X	442.5500	+5	TONE 107.2	FM (analog) (FM,C4FM)	WIRES-X 18557	—	Gambrills, MD
32.1	KA2JAI	Millersville KA2JAI EchoLink	146.8050	-0.6	TSQL 107.2	FM (analog)	EchoLink 🗓 1 net	1 net	Millersville, MD
32.1	KR3LC	Pasadena KR3LC BM	433.4500	in 446.4500	CC1	DMR	BrandMeister 312414103	—	Pasadena, MD
32.5	N3KNT	Seaford N3KNT EchoLink	146.7150	-0.6	TONE 156.7	FM (analog)	EchoLink 959058	—	Seaford, DE
32.9	W3TBG	Seaford W3TBG	444.9000	+5	TONE 156.7	FM (analog)		—	Seaford, DE
32.9	N3YMS	Seaford N3YMS Interstate	442.8125	+5	CC1	DMR	Interstate	—	Seaford, DE
33.0	W3CU	Millersville W3CU EchoLink	146.8050	-0.6	TONE 107.2	FM (analog)	EchoLink 90911	—	Millersville, MD
33.0	W3VPR	Millersville W3VPR	224.5600	-1.6	TONE 107.2	FM (analog)	🗓 5 nets	5 nets · 679 check-ins · 85 stations	Millersville, MD
33.0	W3CU	Millersville W3CU	449.1250	-5	TONE 107.2	FM (analog) (FM,C4FM)		—	Millersville, MD
33.2	K3ARS	Chestertown Shor K3ARS	449.1750	-5	TONE 156.7	FM (analog)		—	Chestertown, MD
33.3	KB3IAI	Gambrills KB3IAI BM	439.9000	in 438.2000	CC1	DMR	BrandMeister 3172111	—	Gambrills, MD
33.3	W3WMD	Greenwood W3WMD	224.4400	-1.6	none	FM (analog)		—	Greenwood, DE
33.3	K3GGM	Hollywood K3GGM BM	446.5000	-5	CC1	DMR	BrandMeister 3211901	—	Hollywood, MD
33.3	N3YMS	Chestertown N3YMS Interstate	441.6625	+5	CC1	DMR	Interstate	—	Chestertown, MD
33.4	N3LHD	Upper Marlboro N3LHD Interstate	444.6500	+5	CC6	DMR	Interstate-c-Bridge-1	—	Upper Marlboro, MD
33.4	N3PPH	Mechanicsville N3PPH Interstate	441.7875	+5	CC1	DMR	Interstate-2	—	Mechanicsville, MD
33.5	W3BPT	Hollywood W3BPT Interstate	146.8500	-0.6	CC1	DMR	Interstate-3	—	Hollywood, MD
33.8	W1JD	Mechanicsville W1JD BM	439.8750	-5	CC8	DMR	BrandMeister 3124132	—	Mechanicsville, MD
34.1	N3PPH	Hollywood Fire N3PPH	145.3500	-0.6	TONE 156.7	FM (analog)		—	Hollywood, MD
34.6	W3TBG	Seaford WSUX W3TBG WIRES-X	145.2100	-0.6	TONE 156.7	FM (analog) (FM,C4FM)	WIRES-X 46540	—	Seaford, DE
34.8	WA3YUV	Brandywine WA3YUV	443.6000	+5	TSQL 103.5	FM (analog) (FM,C4FM)		—	Brandywine, MD
34.9	W4ATN	Largo W4ATN MARC	443.7875	+5	CC3	DMR	DMR-MARC	—	Largo, MD
35.5	W3SMR	Brandywine W3SMR	147.1500	+0.6	TSQL 114.8	FM (analog)		—	Brandywine, MD
35.7	W3CPO	Glen Burnie W3CPO BM	448.5000	-5	CC1	DMR	BrandMeister 312442201	—	Glen Burnie, MD
35.8	KB3IWV	Harrington KB3IWV	442.4500	+5	TONE 127.3	FM (analog)		—	Harrington, DE
35.9	KB2SKP	Lexington Park KB2SKP WIRES-X	445.2500	-5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 74906	—	Lexington Park, MD
36.0	N3PX	Mechanicsville N3PX	147.1950	+0.6	TSQL 156.7	FM (analog)	🗓 1 net	1 net · 42 check-ins · 13 stations	Mechanicsville, MD
36.4	N3LPV	Glen Burnie N3LPV EchoLink	146.5650	in 144.6000	none	FM (analog)	EchoLink 242213	—	Glen Burnie, MD
36.4	N3MIR	Glen Burnie N3MIR	442.6000	+5	TONE 127.3	FM (analog)		—	Glen Burnie, MD
36.7	K3OCM	Charlotte Hall K3OCM K4USD-Net	443.1875	+5	CC6	DMR	K4USD-Net	—	Charlotte Hall, MD
37.3	N3YMS	Hazlettville N3YMS Interstate	448.0750	-5	CC2	DMR	Interstate-2-Network	—	Hazlettville, DE
37.4	K3ARS	Worton K3ARS AllStar	147.3750	+0.6	TSQL 156.7	FM (analog)	AllStar 497350	—	Worton, MD
37.4	K3ARS	Worton K3ARS BM	447.7375	-5	CC1	DMR	BrandMeister 312414	—	Worton, MD
37.4	K3ARS	Worton K3ARS BM	442.7375	+5	CC1	DMR	BrandMeister 312414	—	Worton, MD
37.6	N3MRG	Tyaskin Muddy N3MRG	146.8650	-0.6	CC1	DMR		—	Tyaskin, MD
37.8	KC3APF	Dundalk Key KC3APF WIRES-X	448.6750	-5	TONE 91.5	FM (analog) (FM,C4FM)	WIRES-X 30068	—	Dundalk, MD
38.0	K3ERA	District Heights K3ERA EchoLink	145.2300	-0.6	TSQL 110.9	FM (analog) (FM,C4FM)	EchoLink 294165 🗓 2 nets	2 nets · 52 check-ins · 19 stations	District Heights, MD
39.0	K3ERA	Lanham DC Hosp K3ERA	447.3250	-5	TONE 110.9	FM (analog)	🗓 2 nets	2 nets · 52 check-ins · 19 stations	Lanham, MD
39.0	K3HKI	Lexington Park K3HKI	146.6400	-0.6	TSQL 146.2	FM (analog)	🗓 3 nets	3 nets · 109 check-ins · 44 stations	Lexington Park, MD
39.4	K3LPV	Essex K3LPV BM	449.9000	-5	CC1	DMR	BrandMeister 310588	—	Essex, MD
39.4	K3LPV	Essex K3LPV	449.2000	simplex	CC?	DMR		—	Essex, MD
39.5	KD3CXK	Brooklyn KD3CXK BM	439.0650	-1	CC1	DMR	BrandMeister 3223379	—	Brooklyn, MD
39.5	N3YMS	Hazlettville N3YMS	147.3000	+0.6	TSQL 77.0	FM (analog)		—	Hazlettville, DE
39.5	KC3FOQ	Leonardtown Fair KC3FOQ	443.3000	+5	TONE 123.0	FM (analog) (FM,C4FM)	🗓 2 nets	2 nets · 13 check-ins · 10 stations	Leonardtown, MD
39.5	KC3FOQ	Leonardtown Fair KC3FOQ	147.3900	+0.6	TONE 146.2	FM (analog) (FM,C4FM)	🗓 2 nets	2 nets · 13 check-ins · 10 stations	Leonardtown, MD
40.2	WA3NAN	Greenbelt WA3NAN	146.8350	-0.6	TONE 114.8	FM (analog)		—	Greenbelt, MD
40.2	W3GMR	Greenbelt W3GMR	146.8800	-0.6	TSQL 77.0	FM (analog)		—	Greenbelt, MD
40.2	WA3RF	Cheverly WA3RF AllStar	441.0000	+5	TONE 173.8	FM (analog)	AllStar 57512	—	Cheverly, MD
40.8	N3KUN	Chaptico N3KUN	145.2500	-0.6	TONE 110.9	FM (analog)		—	Chaptico, MD
40.8	KC3ARC	Woodside KC3ARC	146.9100	-0.6	TONE 77.0	FM (analog) (FM,C4FM)	🗓 7 nets	7 nets · 151 check-ins · 39 stations	Woodside, DE
40.9	KC3ARC	Woodside KC3ARC	444.5500	+5	TSQL 77.0	FM (analog)	🗓 7 nets	7 nets · 151 check-ins · 39 stations	Woodside, DE
41.3	WA3DZD	Jessup WA3DZD	146.7600	-0.6	TSQL 107.2	FM (analog)		—	Jessup, MD
41.3	WA3DZD	Jessup WA3DZD	444.0000	+5	TSQL 107.2	FM (analog)		—	Jessup, MD
41.3	KA3LAO	Jessup KA3LAO Interstat	442.7125	+5	CC1	DMR	Interstate-2-Network	—	Jessup, MD
41.4	K3GMR	Bladensburg K3GMR EchoLink	146.6100	-0.6	TSQL 77.0	FM (analog)	EchoLink 796114	—	Bladensburg, MD
41.7	N3YMS	Frederica N3YMS Interstate	449.7250	-5	CC1	DMR	Interstate	—	Frederica, DE
42.0	N3EMC	Middle River N3EMC AllStar	927.7000	-25	TSQL 156.7	FM (analog) (DMR,FM)	AllStar 67341 EchoLink 506758 TGIF	—	Middle River, MD
42.2	W3PGA	Baltimore KHS W3PGA	147.2400	+0.6	TSQL 123.0	FM (analog) (FM,C4FM)		—	Baltimore, MD
42.2	W3PGA	Baltimore KHS W3PGA	449.5750	-5	TSQL 123.0	FM (analog) (FM,C4FM)		—	Baltimore, MD
42.2	K3OCM	Salisbury K3OCM K4USD	442.6500	+5	CC6	DMR	K4USD	—	Salisbury, MD
42.2	W4ATN	Laurel W4ATN	443.8000	+5	CC3	DMR		—	Laurel, MD
42.2	W4ATN	Laurel W4ATN	145.3900	-0.6	none	FM (analog)		—	Laurel, MD
42.2	W3LRC	Laurel W3LRC	442.5000	+5	TONE 156.7	FM (analog)		—	Laurel, MD
42.3	W3PRO	Salisbury W3PRO	145.2800	-0.6	none	D-STAR		—	Salisbury, MD
42.3	W3PRO	Salisbury W3PRO	146.9250	-0.6	TSQL 156.7	FM (analog)		—	Salisbury, MD
42.3	N3MRG	Salisbury N3MRG Interstate	442.6500	+5	CC6	DMR	Interstate	—	Salisbury, MD
42.3	K3RIC	Salisbury K3RIC	444.0500	+5	none	FM (analog) (FM,C4FM)		—	Salisbury, MD
42.3	W3PRO	Salisbury W3PRO	444.2000	+5	none	D-STAR		—	Salisbury, MD
42.3	WA3KOK	Laurel WA3KOK IRLP	446.5000	simplex	TSQL 100.0	FM (analog)	IRLP 4332	—	Laurel, MD
42.4	N3EST	Middle River N3EST	147.3450	+0.6	TONE 192.8	FM (analog)		—	Middle River, MD
42.4	WB3FFV	Middle River MD WB3FFV BM	438.0150	-5	CC1	DMR	BrandMeister 322199401	—	Middle River, MD FM1, MD
42.4	N3DN	Camden N3DN BM	447.8750	-5	CC1	DMR	BrandMeister 314964	—	Camden, DE
42.6	W3SQN	Laurel W3SQN BM	442.9000	+5	CC1	DMR	BrandMeister 312418	—	Laurel, MD
42.8	W3DAK	Middle River W3DAK EchoLink	447.3750	-5	TONE 67.0	FM (analog) (DMR,FM)	EchoLink 823021 BrandMeister 312299	—	Middle River, MD
42.9	W3EAX	College Park UMD W3EAX EchoLink	145.4900	-0.6	none	FM (analog)	EchoLink 318547	—	College Park, MD
43.1	N3IOC	Wyoming N3IOC	449.7750	-5	TONE 114.8	FM (analog)		—	Wyoming, DE
43.1	W3HAC	Washington W3HAC	444.1625	+5	CC0	DMR		—	Washington, DC
43.2	WA3KOK	Baltimore Haleth WA3KOK	442.2500	+5	TSQL 107.2	FM (analog) (FM,P25)		—	Baltimore, MD
43.6	KB3HGW	Jessup KB3HGW BM	448.8000	-5	CC1	DMR	BrandMeister 321114701	—	Jessup, MD
43.7	N3YMS	Eden N3YMS Interstate	441.8875	+5	CC2	DMR	Interstate	—	Eden, MD
43.9	N3CDY	Baltimore N3CDY Interstate	927.0625	-25	CC1	DMR	Interstate	—	Baltimore, MD
44.1	K3WS	Washington K3WS AllStar	443.3750	-5	TONE 123.0	FM (analog)	AllStar 27701	—	Washington, DC
44.1	K3WS	Washington K3WS AllStar	447.3750	-5	TONE 123.0	FM (analog)	AllStar 27701	—	Washington, DC
44.2	W3NAB	Washington W3NAB AllStar	442.7000	+5	TONE 103.5	FM (analog)	AllStar 53645	—	Washington, DC
44.2	KC3BFB	Fort KC3BFB	146.7150	-0.6	TONE 110.9	FM (analog)		—	Fort Washington, MD
44.5	KB3MEC	Galena KB3MEC	224.0000	-1.6	TONE 131.8	FM (analog)		—	Galena, MD
44.6	KB3MEC	Galena KB3MEC	441.5000	+5	DCS 754	FM (analog)		—	Galena, MD
44.7	K3VOA	Washington Wilbu K3VOA AllStar	147.0450	+0.6	TSQL 77.0	FM (analog)	AllStar 23918	—	Washington, DC
44.9	N3TUK	Adelphi N3TUK AllStar	443.6625	+5	CC1	DMR	AllStar 43105 BrandMeister 313057	—	Adelphi, MD
45.0	W3AGB	Washington W3AGB DMRVA	444.1625	+5	CC1	DMR	DMRVA	—	Washington, DC
45.0	W3AGB	Washington W3AGB K4USD	147.3600	+0.6	CC1	DMR	K4USD	—	Washington, DC
45.0	W3AGB	Washington W3AGB	1283.1000	-12	none	D-STAR		—	Washington, DC
45.0	KY3O	Calverton KY3O BM	438.4500	-5	CC1	DMR	BrandMeister 318573701	—	Calverton, MD
45.5	N3YMS	Dover N3YMS Interstate	449.0750	-5	CC1	DMR	Interstate	—	Dover, DE
45.5	W4HFH	Alexandria W4HFH DMRVA	442.4125	+5	CC1	DMR	DMRVA 🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
45.5	W4HFH	Alexandria W4HFH	927.6000	-25	TSQL 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
45.5	N4FRS	Alexandria N4FRS	449.3750	-5	TONE 203.5	FM (analog) (FM,DV)		—	Alexandria, VA
45.9	W3HAC	Washington W3HAC	147.3600	+0.6	CC1	DMR		—	Washington, DC
45.9	W3HAC	Washington W3HAC	1283.1000	-12	none	D-STAR		—	Washington, DC
46.1	KA3LAO	Washington KA3LAO	145.1100	-0.6	CC1	DMR		—	Washington, DC
46.1	W3DCA	Washington W3DCA	147.2700	+0.6	TONE 100.0	FM (analog)		—	Washington, DC
46.1	N3ADV	Washington N3ADV	447.1750	-5	TONE 156.7	FM (analog)		—	Washington, DC
46.2	N3YMS	Dover Motor N3YMS Interstate	146.7900	-0.6	CC1	DMR	Interstate	—	Dover, DE
46.2	N3IOC	Dover N3IOC	444.5000	-5	TONE 114.8	FM (analog)		—	Dover, DE
46.5	KC3ARC	Dover DMV KC3ARC	146.9700	-0.6	TSQL 77.0	FM (analog) (FM,C4FM)	🗓 7 nets	7 nets · 151 check-ins · 39 stations	Dover, DE
46.5	N8HM	Arlington N8HM BM	438.4500	-5	CC1	DMR	BrandMeister 311101701	—	Arlington, VA
46.5	W3DOS	Washington Harry W3DOS	145.1900	-0.6	TONE 151.4	FM (analog)		—	Washington, DC
46.6	K4US	Alexandria GW K4US	146.6550	-0.6	TSQL 141.3	FM (analog) (C4FM,FM)		—	Alexandria, VA
46.8	N3HIA	Joppa N3HIA EchoLink	224.4800	-1.6	TONE 100.0	FM (analog)	EchoLink 245186	—	Joppa, MD
46.8	KA3MRX	Princess Anne KA3MRX	146.6250	-0.6	TONE 156.7	FM (analog)		—	Princess Anne, MD
46.8	N3VSI	Larry - Edgewood N3VSI AllStar	442.9000	+5	TONE 127.3	FM (analog)	AllStar 28094 AllStar 497352	—	Larry - Edgewood, MD
47.0	N3SBP	Parkville N3SBP BM	223.8000	-1.6	CC1	DMR	BrandMeister 312410402 BrandMeister 314562	—	Parkville, MD
47.1	W3CAM	Columbia W3CAM	224.8600	-1.6	none	FM (analog)		—	Columbia, MD
47.2	KA3LAO	Silver Spring KA3LAO	147.1800	+0.6	TONE 156.7	FM (analog) (FM,P25)		—	Silver Spring, MD
47.2	WB3GXW	Silver Spring WB3GXW EchoLink	147.2250	+0.6	TONE 156.7	FM (analog)	EchoLink 147225	—	Silver Spring, MD
47.2	N3AUY	Silver Spring N3AUY	29.6600	-0.1	TSQL 141.3	FM (analog)		—	Silver Spring, MD
47.2	N3AUY	Silver Spring N3AUY	449.0250	-5	TONE 156.7	FM (analog)		—	Silver Spring, MD
47.6	N3JLT	Alexandria N3JLT Interstate	443.1000	+5	CC1	DMR	Interstate 🗓 1 net	1 net · 89 check-ins · 45 stations	Alexandria, VA
47.9	W3JEH	Perry Hall W3JEH	223.8400	-1.6	none	FM (analog)		—	Perry Hall, MD
48.0	N4FRS	Alexandria N4FRS	1283.2000	-12	TSQL 203.5	FM (analog) (FM,DV)		—	Alexandria, VA
48.0	KC3OQK	Ellicott City KC3OQK BM	449.0000	-5	CC1	DMR	BrandMeister 315960101	—	Ellicott City, MD
48.0	N3EZD	Ellicott City N3EZD	224.3200	-1.6	none	FM (analog)		—	Ellicott City, MD
48.0	N3EZD	Ellicott City N3EZD	449.5250	-5	TONE 100.0	FM (analog)		—	Ellicott City, MD
48.3	KG1JAG	Town L0C4T0R KG1JAG BM	446.5000	-5	CC1	DMR	BrandMeister 321925001	—	Town, L0C4T0R, MD
48.4	K0BMM	Arlington K0BMM BM	447.3125	-5	CC1	DMR	BrandMeister 322315305	—	Arlington, VA
48.5	K3CUJ	Columbia K3CUJ	147.1350	+0.6	TSQL 156.7	FM (analog) (FM,C4FM)		—	Columbia, MD
48.5	W4HFH	Alexandria W4HFH	53.1300	-1	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
48.5	W4HFH	Alexandria W4HFH	147.3150	+0.6	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
48.5	W4HFH	Alexandria W4HFH	224.8200	-1.6	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
48.5	W4HFH	Alexandria W4HFH	444.6000	+5	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
48.5	W4HFH	Alexandria W4HFH	1282.6000	-12	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
48.7	W3WDC	Washington W3WDC BM	443.0125	+5	CC4	DMR	BrandMeister 312819502	—	Washington, DC
48.8	W4HFH	Alexandria W4HFH	145.3800	-0.6	none	D-STAR	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
48.8	W4HFH	Alexandria Hosp W4HFH	442.0600	+5	none	D-STAR	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
48.8	W4HFH	Alexandria Hosp W4HFH	1284.6000	-12	none	D-STAR	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
49.0	W3MFP	Wheaton W3MFP BM	442.8875	+5	CC5	DMR	BrandMeister 312428101	—	Wheaton, MD
49.1	K3VOA	Silver Spring K3VOA AllStar	447.5750	-5	TONE 77.0	FM (analog)	AllStar 23919	—	Silver Spring, MD
49.4	WB4MJF	Arlington WB4MJF	145.1500	-0.6	TSQL 107.2	FM (analog)		—	Arlington, VA
49.4	W4WVP	Arlington W4WVP	145.4700	-0.6	TONE 107.2	FM (analog)		—	Arlington, VA
49.4	WA4HIS	Arlington WA4HIS	224.0600	-1.6	none	FM (analog)		—	Arlington, VA
49.4	W4CIA	Arlington W4CIA	441.4500	+5	TONE 110.9	FM (analog) (FM,C4FM)		—	Arlington, VA
49.4	AB4YP	Arlington AB4YP	443.2000	+5	TSQL 114.8	FM (analog)		—	Arlington, VA
49.4	K4AF	Arlington K4AF	444.5500	+5	TONE 88.5	FM (analog)		—	Arlington, VA
49.4	W4AVA	Arlington W4AVA	448.6250	-5	TONE 107.2	FM (analog)		—	Arlington, VA
49.4	W4WVP	Arlington W4WVP	449.3250	-5	TONE 151.4	FM (analog)		—	Arlington, VA
49.4	WA4EKJ	Arlington WA4EKJ	224.6200	-1.6	none	FM (analog)		—	Arlington, VA
49.5	WA3KOK	Washington WAMU WA3KOK IRLP	449.9750	-5	TSQL 107.2	FM (analog) (FM,P25)	IRLP 4000	—	Washington, DC
49.5	W3KIT	SHARI-UHF W3KIT AllStar	438.2875	simplex	TONE 203.5	FM (analog)	AllStar 547612 AllStar 547619	—	SHARI-UHF Maryland, MD
49.6	K4SVT	Forest K4SVT BM	441.9000	+5	CC1	DMR	BrandMeister 311287801	—	Forest, VA
49.6	K3CUJ	Columbia K3CUJ WIRES-X	449.4750	-5		Fusion (C4FM)	WIRES-X 30215	—	Columbia, MD
49.8	K3OCM	Towson K3OCM K4USD-Net	443.8500	+5	CC6	DMR	K4USD-Net	—	Towson, MD
49.9	K3CRK	Smyrna K3CRK	146.6550	-0.6	TONE 156.7	FM (analog)		—	Smyrna, DE
49.9	K3CRK	Smyrna K3CRK	443.0500	+5	TONE 156.7	FM (analog)		—	Smyrna, DE
49.9	W3FT	Towson W3FT EchoLink	146.6700	-0.6	TONE 107.2	FM (analog)	EchoLink 286640	—	Towson, MD
49.9	WR3IRS	Towson WR3IRS Interstat	441.4000	+5	CC1	DMR	Interstate	—	Towson, MD
49.9	N3CDY	Towson N3CDY	449.2750	-5	TONE 107.2	FM (analog) (FM,P25)		—	Towson, MD
32.0	KP4IP Offline	Millersville KP4IP BM	442.4000	+5	CC1	DMR	BrandMeister 310148	—	Millersville, MD
32.2	K3BAY Offline	Pasadena K3BAY IRLP	145.5400	simplex	TSQL 107.2	FM (analog)	IRLP 4717	—	Pasadena, MD
34.3	KB3FWW Offline	Hollywood KB3FWW IRLP	449.4900	simplex	TSQL 146.2	FM (analog)	IRLP 8856	—	Hollywood, MD
35.7	W3XJ Offline	Bowie W3XJ	442.1500	+5	none	FM (analog)		—	Bowie, MD
43.4	K3AYV Offline	Baltimore Pigtow K3AYV EchoLink	442.9000	+5	TSQL 162.2	FM (analog)	EchoLink	—	Baltimore, MD
43.6	W3DAK Offline	Middle River W3DAK BM	145.1700	-0.6	CC1	DMR	BrandMeister 312377	—	Middle River, MD
43.8	W3LRC Offline	Jessup W3LRC BM	447.8500	-5	CC1	DMR	BrandMeister 314342	—	Jessup, MD
44.7	K3VOA Offline	Washington Wilbu K3VOA	448.5750	-5	TSQL 77.0	FM (analog)		—	Washington, DC
44.9	W3ARL Offline	Adelphi W3ARL	145.3700	-0.6	none	FM (analog)		—	Adelphi, MD
45.4	WB3GXW Offline	Silver Spring WB3GXW	444.2500	+5	TONE 156.7	FM (analog)		—	Silver Spring, MD
45.7	WA3KOK Offline	Clarksville WA3KOK IRLP	144.9700	simplex	TSQL 107.2	FM (analog)	IRLP 4542	—	Clarksville, MD
45.7	WA3KOK Offline	Laurel WA3KOK IRLP	144.4400	simplex	none	FM (analog)	IRLP 4173	—	Laurel, MD
45.9	K3MRC Offline	Washington K3MRC	145.4300	-0.6	TSQL 114.8	FM (analog) (FM,C4FM)		—	Washington, DC
45.9	KC3VO Offline	Washington KC3VO	448.8750	-5	none	FM (analog)		—	Washington, DC
46.8	N3VSI Offline	Edgewood N3VSI AllStar	146.5600	simplex	TSQL 127.3	FM (analog)	IRLP 8277 AllStar 29916	—	Edgewood, MD
46.9	N3HF Offline	Silver Spring N3HF IRLP	443.4500	+5	TSQL 156.7	FM (analog)	IRLP 4712	—	Silver Spring, MD
49.2	N2MCS Offline	Baltimore N2MCS	442.9000	+5	CC?	DMR		—	Baltimore, MD