N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:42 am CDT (FCC files through Sep 30, 2026) · 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

WB3DON HAM 📻 GMRS

📻

Also a GMRS licensee

WSKL699 WQGE580

Active until Nov 25, 2035 · same FCC Registration Number (FRN) · GMRS covers the licensee's immediate family

🔒 Not available — currently licensed, through Dec 12, 2035. If it isn't renewed, it opens for vanity requests Dec 13, 2037.

📬 QSL: not on LoTW · not an eQSL AG member

📝 WB3DON has filed vanity applications before — latest filed Nov 24, 2025 · what was requested

Currently held by Donald B Hobson · 1 holder on record

Current holder: Donald B Hobson

Held WB3DON Dec 12, 2025 → present · first licensed Mar 31, 2014 as KC3CKH · 2 licenses · FRN 0015886856

WB3DON Active Technician · vanity Dec 12, 2025 → expires Dec 12, 2035

Licensee
Donald B Hobson

Address
4235 Germantown Way
Perry Hall, MD 21128
39.4047, -76.4482 (ZIP center) · Grid FM19sj · CQ 5 · ITU 8 · map ↗

FRN
0015886856

Previous call
KC3CKH

Last granted
Dec 12, 2025

Effective
Dec 12, 2025

Last action
Dec 12, 2025
FCC actions (2)
- Dec 12, 2025 — Vanity call sign granted VANGRT
- Dec 12, 2025 — License issued LIISS
KC3CKH Canceled Technician Mar 31, 2014 → Dec 12, 2025 (canceled)

Licensee
Donald B Hobson

Address
4235 Germantown Way
Perry Hall, MD 21128
39.4047, -76.4482 (ZIP center) · Grid FM19sj · CQ 5 · ITU 8 · map ↗

FRN
0015886856

Last granted
Nov 22, 2025

Effective
Nov 22, 2025

Last action
Dec 12, 2025
FCC actions (4)
- Dec 12, 2025 — License canceled LICAN
- Nov 22, 2025 — License renewed LIREN
- Mar 31, 2014 — License issued LIISS
- Mar 31, 2014 — Systematic call sign granted SYSGRT

Address history

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

Seen Sep 27, 2026 · 2 snapshots · as KC3CKH
Donald B Hobson
4235 Germantown Way, Perry Hall, MD 21128
39.4047, -76.4482 (ZIP center) · Grid FM19sj · CQ 5 · ITU 8 · map ↗
Seen May 22, 2014 → Sep 25, 2025 · 35 snapshots · as KC3CKH
Donald B Hobson
7113 Olivia Rd, Middle River, MD 21220
39.3431, -76.3909 (ZIP center) · Grid FM19ti · CQ 5 · ITU 8 · map ↗

Vanity applications filed by WB3DON

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 24, 2025 Granted Dec 12, 2025 0011791940	KC3CKH · Donald B Hobson · Technician 4235 Germantown Way, Perry Hall, MD 21128 39.4047, -76.4482 (ZIP center) · Grid FM19sj · CQ 5 · ITU 8 · map ↗	1.WB3DON ✓ granted 2.WA3DBH 3.WB3DBH	Granted got WB3DON

Others requesting WB3DON

3 applications listed WB3DON as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Nov 24, 2025	Dec 12, 2025	KC3CKH · Donald B Hobson · Perry Hall, MD	1	Granted
Dec 10, 2007	Dec 28, 2007	KC2PFX · Donald M Stoker · Cortland, NY	3	Granted
Sep 8, 2003	Sep 26, 2003	KB3JLG · Donald R Hobson · Baltimore, MD	2	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for WB3DON in the last 24 hours. They show up here within seconds of WB3DON beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

📻 GMRS repeaters within 50 miles

28 on the air or of unknown status, closest first · map these & export for a GMRS radio →

Miles	Channel	Output	Tone in	Owner	Location	Access	Status
8	RP17	462.600	192.8	WRJY601	Towson, MD	Open	On the air
12	RP20	462.675	192.8	WRJY601	Baltimore, MD	Open	On the air
13	RP15	462.550	141.3	WRZV755	Baltimore, MD · Pigtown	Open	On the air
18	RP18	462.625	67.0	WRMP641	White Hall, MD	Open	On the air
19	RP20	462.675	141.3	WRPC304	Port Deposit, MD · I-95 At The Susquehanna River	Open	On the air
21	RP19	462.650	192.8	WRJY601	Ellicott City, MD	Open	On the air
23	RP21	462.700	107.2	WQYM714	Port Deposit, MD	Open	On the air
27	RP15	462.550	141.3	WQMM856	Lanham, MD · Doctor's Hospital	Open	On the air
27	RP15	462.550	136.5	WRXD980	Burtonsville, MD	Open	On the air
27	RP15	462.550	—	WRYB934	Chestertown, MD	Open	On the air
27	RP20	462.675	103.5	WSAD893	Baltimore, MD · Pasadena	Open	On the air
30	RP22	462.725	88.5	WQMM856	Laurel, MD	Open	On the air
31	RP18	462.625	67.0	WSFB252	Galena, MD	Open	On the air
34	RP20	462.675	131.8	WRVX293	Holtwood, PA	Open	On the air
36	RP20	462.675	D125	WRVA363	Oxford Boro, PA · Oxford Walmart	Open	On the air
39	RP21	462.700	203.5	WSEI555	Spring Grove, PA	Open	On the air
40	RP18	462.625	156.7	WPON592	Wheaton, MD	Open	On the air
41	RP15	462.550	162.2	WRVP824	Willow Street, PA	Open	On the air
41	RP19	462.650	141.3	WRMV901	York, PA · Hollywood Heights	Closed	On the air
41	RP16	462.575	141.3	WRMV901	York, PA	Open	On the air
41	RP15	462.550	141.3	WRMV901	York, PA	Open	On the air
41	RP15	462.550	141.3	WRMV901	York, PA	Open	On the air
41	RP22	462.725	D125	WQYM530	Jennersville, PA · Sr 1 / Sr 796	Open	On the air
42	RP18	462.625	88.5	WQMM856	Largo, MD	Open	On the air
42	RP21	462.700	—	WRCE676	Hartly, DE	Open	On the air

Showing the closest 25.

Repeaters within 50 miles

251 repeaters within 50 miles of this ZIP code, 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 · center is the ZIP code (approximate) · 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
1.0	W3JEH	Perry Hall W3JEH	223.8400	-1.6	none	FM (analog)		—	Perry Hall, MD
4.7	W3DAK	Middle River W3DAK EchoLink	447.3750	-5	TONE 67.0	FM (analog) (DMR,FM)	EchoLink 823021 BrandMeister 312299	—	Middle River, MD
4.9	WB3FFV	Middle River MD WB3FFV BM	438.0150	-5	CC1	DMR	BrandMeister 322199401	—	Middle River, MD FM1, MD
4.9	N3EST	Middle River N3EST	147.3450	+0.6	TONE 192.8	FM (analog)		—	Middle River, MD
5.1	N3SBP	Parkville N3SBP BM	223.8000	-1.6	CC1	DMR	BrandMeister 312410402 BrandMeister 314562	—	Parkville, MD
5.4	N3EMC	Middle River N3EMC AllStar	927.7000	-25	TSQL 156.7	FM (analog) (DMR,FM)	AllStar 67341 EchoLink 506758 TGIF	—	Middle River, MD
5.5	W3PGA	Baltimore KHS W3PGA	449.5750	-5	TSQL 123.0	FM (analog) (FM,C4FM)		—	Baltimore, MD
5.5	W3PGA	Baltimore KHS W3PGA	147.2400	+0.6	TSQL 123.0	FM (analog) (FM,C4FM)		—	Baltimore, MD
6.5	N3HIA	Joppa N3HIA EchoLink	224.4800	-1.6	TONE 100.0	FM (analog)	EchoLink 245186	—	Joppa, MD
7.8	K3LPV	Essex K3LPV BM	449.9000	-5	CC1	DMR	BrandMeister 310588	—	Essex, MD
7.8	K3LPV	Essex K3LPV	449.2000	simplex	CC?	DMR		—	Essex, MD
8.2	W3FT	Towson W3FT EchoLink	146.6700	-0.6	TONE 107.2	FM (analog)	EchoLink 286640	—	Towson, MD
8.2	WR3IRS	Towson WR3IRS Interstat	441.4000	+5	CC1	DMR	Interstate	—	Towson, MD
8.2	N3CDY	Towson N3CDY	449.2750	-5	TONE 107.2	FM (analog) (FM,P25)		—	Towson, MD
8.3	W3DHS	Towson W3DHS	145.1400	-0.6	TONE 114.8	D-STAR		—	Towson, MD
8.3	W3DHS	Towson W3DHS EchoLink	145.3300	-0.6	TONE 114.8	FM (analog)	EchoLink 217618	—	Towson, MD
8.3	WB3DZO	Towson WB3DZO	147.0300	+0.6	TONE 156.7	FM (analog)		—	Towson, MD
8.3	W3DHS	Towson W3DHS	442.1125	+5	TONE 114.8	D-STAR		—	Towson, MD
8.9	N3CNJ	Fallston N3CNJ BM-S2	145.2700	-0.6	CC1	DMR	TGIF BM-S2	—	Fallston, MD
9.1	K3OCM	Towson K3OCM K4USD-Net	443.8500	+5	CC6	DMR	K4USD-Net	—	Towson, MD
9.3	WN3S	Bel Air WN3S BM	439.0000	-5	CC1	DMR	BrandMeister 3197267	—	Bel Air, MD
9.3	N3VSI	Larry - Edgewood N3VSI AllStar	442.9000	+5	TONE 127.3	FM (analog)	AllStar 28094 AllStar 497352	—	Larry - Edgewood, MD
9.9	no call listed	Abingdon Maryland	439.9750	simplex	TONE 107.2	FM (analog)		—	Abingdon, MD
9.9	K2EJ	Abingdon K2EJ AllStar	449.3750	-5	TSQL 107.2	FM (analog) (C4FM,DMR,FM)	AllStar 51587 EchoLink 167177 IRLP 4986 BrandMeister 312692	—	Abingdon, MD
9.9	K2EJ	Abingdon K2EJ AllStar	224.2200	-1.6	TSQL 110.9	FM (analog)	AllStar 51537	—	Abingdon, MD
9.9	K2EJ	Abingdon K2EJ AllStar	439.9750	simplex	TONE 107.2	FM (analog)	AllStar 51587 AllStar 515883	—	Abingdon, MD
9.9	K2EJ	Abingdon K2EJ AllStar	223.4200	simplex	TONE 110.9	FM (analog)	AllStar 51537	—	Abingdon, MD
10.5	KB3WHR	Bel Air KB3WHR Interstat	449.6125	-5	CC1	DMR	Interstate	—	Bel Air, MD
11.2	K2SHF	Bel Air K2SHF AllStar	145.6700	simplex	TONE 77.0	FM (analog)	AllStar 547810 AllStar 547811	—	Bel Air, MD
11.3	KC3WRK	Bel Air KC3WRK	446.4600	simplex	CC?	DMR		—	Bel Air, MD
11.3	N3CDY	Baltimore N3CDY Interstate	927.0625	-25	CC1	DMR	Interstate	—	Baltimore, MD
11.4	KC3APF	Dundalk Key KC3APF WIRES-X	448.6750	-5	TONE 91.5	FM (analog) (FM,C4FM)	WIRES-X 30068	—	Dundalk, MD
11.7	K3NXU	Cockeysville K3NXU	145.1900	-0.6	TONE 110.9	FM (analog)		—	Cockeysville, MD
11.7	KB3BHO	Cockeysville KB3BHO	448.5250	-5	TONE 82.5	FM (analog)		—	Cockeysville, MD
12.8	N3ST	Timonium N3ST	449.6750	-5	TONE 167.9	FM (analog)		—	Timonium, MD
13.3	KC3FHC	Bel Air KC3FHC	146.7750	-0.6	TSQL 146.2	FM (analog)		—	Bel Air, MD
13.3	KC3FHC	Bel Air KC3FHC	145.1200	-0.6	none	D-STAR		—	Bel Air, MD
13.3	KC3FHC	Bel Air KC3FHC	447.9875	-5	none	D-STAR		—	Bel Air, MD
13.3	KC3FHC	Forest Hill KC3FHC	449.7750	-5	TONE 162.2	FM (analog)		—	Forest Hill, MD
13.3	KC3FHC	Bel Air KC3FHC	1248.1000	simplex	none	D-STAR		—	Bel Air, MD
13.3	KC3FHC	Bel Air KC3FHC	1282.3000	-20	none	D-STAR		—	Bel Air, MD
14.5	KD3CXK	Brooklyn KD3CXK BM	439.0650	-1	CC1	DMR	BrandMeister 3223379	—	Brooklyn, MD
14.8	KO3L	Bel Air KO3L BM	147.1200	+0.6	TSQL 114.8	FM (analog) (DMR,DV,FM)	BrandMeister 311985	—	Bel Air, MD
14.8	KO3L	Bel Air KO3L	223.9600	-1.6	none	FM (analog)		—	Bel Air, MD
15.9	WA3KOK	Baltimore Haleth WA3KOK	442.2500	+5	TSQL 107.2	FM (analog) (FM,P25)		—	Baltimore, MD
16.5	N3BNO	Aberdeen N3BNO BM	442.6500	+5	CC1	DMR	BrandMeister 3216998	—	Aberdeen, MD
16.9	N3UR	Shawsville N3UR	224.9200	-1.6	none	FM (analog)		—	Shawsville, MD
17.8	N3EJT	Owings Mills N3EJT Not-Linked	147.1950	+0.6	CC1	DMR	Not-Linked	—	Owings Mills, MD
17.8	N3CDY	Owings Mills N3CDY Interstate	449.0750	-5	CC1	DMR	Interstate	—	Owings Mills, MD
17.8	N3CDY	Owings Mills N3CDY	927.5125	-25	TONE 156.7	FM (analog)		—	Owings Mills, MD
18.7	WB3DZO	Randallstown WB3DZO	443.3500	+5	TSQL 156.7	FM (analog) (FM,C4FM)		—	Randallstown, MD
18.9	W3CPO	Glen Burnie W3CPO BM	448.5000	-5	CC1	DMR	BrandMeister 312442201	—	Glen Burnie, MD
19.1	KR3LC	Pasadena KR3LC BM	433.4500	in 446.4500	CC1	DMR	BrandMeister 312414103	—	Pasadena, MD
19.2	N3LPV	Glen Burnie N3LPV EchoLink	146.5650	in 144.6000	none	FM (analog)	EchoLink 242213	—	Glen Burnie, MD
19.2	N3MIR	Glen Burnie N3MIR	442.6000	+5	TONE 127.3	FM (analog)		—	Glen Burnie, MD
20.6	WR3IRS	Havre de Grace WR3IRS Interstat	443.6500	+5	CC1	DMR	Interstate	—	Havre de Grace, MD
20.9	K3ARS	Worton K3ARS AllStar	147.3750	+0.6	TSQL 156.7	FM (analog)	AllStar 497350	—	Worton, MD
20.9	K3ARS	Worton K3ARS BM	447.7375	-5	CC1	DMR	BrandMeister 312414	—	Worton, MD
20.9	K3ARS	Worton K3ARS BM	442.7375	+5	CC1	DMR	BrandMeister 312414	—	Worton, MD
21.0	KC3OQK	Ellicott City KC3OQK BM	439.0000	-5	CC1	DMR	BrandMeister 3159601	—	Ellicott City, MD
21.0	KC3OQK	Ellicott City KC3OQK BM	449.0000	-5	CC1	DMR	BrandMeister 315960101	—	Ellicott City, MD
21.0	N3EZD	Ellicott City N3EZD	224.3200	-1.6	none	FM (analog)		—	Ellicott City, MD
21.0	N3EZD	Ellicott City N3EZD	449.5250	-5	TONE 100.0	FM (analog)		—	Ellicott City, MD
21.5	N3KZ	Havre de Grace N3KZ	444.1500	+5	TSQL 131.8	FM (analog)		—	Havre de Grace, MD
22.2	K4VSS	Rising Sun K4VSS BM	438.4500	-5	CC1	DMR	BrandMeister 322675501	—	Rising Sun, PA
23.1	W3CU	Millersville W3CU EchoLink	146.8050	-0.6	TONE 107.2	FM (analog)	EchoLink 90911	—	Millersville, MD
23.1	W3VPR	Millersville W3VPR	224.5600	-1.6	TONE 107.2	FM (analog)	🗓 5 nets	5 nets · 528 check-ins · 75 stations	Millersville, MD
23.1	W3CU	Millersville W3CU	449.1250	-5	TONE 107.2	FM (analog) (FM,C4FM)		—	Millersville, MD
23.2	N3CNJ	Delta N3CNJ TGIF	147.1650	+0.6	CC1	DMR	TGIF	—	Delta, PA
23.9	K3CUJ	Columbia K3CUJ	147.1350	+0.6	TSQL 156.7	FM (analog) (FM,C4FM)		—	Columbia, MD
24.0	N3YMS	Chestertown N3YMS Interstate	441.6625	+5	CC1	DMR	Interstate	—	Chestertown, MD
24.2	K3ARS	Chestertown Shor K3ARS	449.1750	-5	TONE 156.7	FM (analog)		—	Chestertown, MD
24.5	KC3FCQ	Arnold KC3FCQ BM	442.8750	+5	CC1	DMR	BrandMeister 312411801	—	Arnold, MD
24.8	WA3DZD	Jessup WA3DZD	146.7600	-0.6	TSQL 107.2	FM (analog)		—	Jessup, MD
24.8	WA3DZD	Jessup WA3DZD	444.0000	+5	TSQL 107.2	FM (analog)		—	Jessup, MD
24.8	KA3LAO	Jessup KA3LAO Interstat	442.7125	+5	CC1	DMR	Interstate-2-Network	—	Jessup, MD
25.6	WA3SFJ	Port Deposit WA3SFJ AllStar	146.8500	-0.6	TONE 107.2	FM (analog)	AllStar 558300 🗓 1 net	1 net · 5 check-ins · 5 stations	Port Deposit, MD
25.6	WA3SFJ	Port Deposit WA3SFJ	449.8250	-5	TONE 167.9	FM (analog) (FM,C4FM)	🗓 1 net	1 net · 5 check-ins · 5 stations	Port Deposit, MD
25.9	N3HAZ	Annapolis N3HAZ BM	439.5500	in 433.5500	CC1	DMR	BrandMeister 3197367	—	Annapolis, MD
26.0	W3CAM	Columbia W3CAM	224.8600	-1.6	none	FM (analog)		—	Columbia, MD
26.1	KB3HGW	Jessup KB3HGW BM	448.8000	-5	CC1	DMR	BrandMeister 321114701	—	Jessup, MD
26.1	KA2JAI	Millersville KA2JAI EchoLink	146.8050	-0.6	TSQL 107.2	FM (analog)	EchoLink 🗓 1 net	1 net	Millersville, MD
26.5	KG1JAG	Town L0C4T0R KG1JAG BM	446.5000	-5	CC1	DMR	BrandMeister 321925001	—	Town, L0C4T0R, MD
27.1	K3PZN	Sykesville K3PZN	147.2850	+0.6	TONE 156.7	FM (analog)	🗓 1 net	1 net	Sykesville, MD
27.6	N3RCN	Charlestown Wtr N3RCN	442.9500	+5	TONE 103.5	FM (analog)		—	Charlestown, MD
28.0	K3AE	Shrewsbury K3AE	146.7000	-0.6	TONE 114.8	FM (analog) (C4FM,FM)		—	Shrewsbury, PA
28.0	K3AE	Shrewsbury K3AE K4USD	449.7250	-5	CC1	DMR	K4USD	—	Shrewsbury, PA
28.0	N3SCP	Gambrills N3SCP WIRES-X	442.5500	+5	TONE 107.2	FM (analog) (FM,C4FM)	WIRES-X 18557	—	Gambrills, MD
28.0	N3SCP	Gambrills N3SCP WIRES-X	447.5500	-5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 18557	—	Gambrills, MD
28.5	KB3IAI	Gambrills KB3IAI BM	439.9000	in 438.2000	CC1	DMR	BrandMeister 3172111	—	Gambrills, MD
28.6	W3VPR	Crownsville W3VPR EchoLink	147.0750	+0.6	TSQL 107.2	FM (analog)	EchoLink 524902 🗓 5 nets	5 nets · 528 check-ins · 75 stations	Crownsville, MD
29.1	W3GAB	Stevensville W3GAB BM	433.8000	+5	CC1	DMR	BrandMeister 321788101	—	Stevensville, MD
29.2	WA3KOK	Laurel WA3KOK IRLP	446.5000	simplex	TSQL 100.0	FM (analog)	IRLP 4332	—	Laurel, MD
29.6	K3CUJ	Columbia K3CUJ WIRES-X	449.4750	-5		Fusion (C4FM)	WIRES-X 30215	—	Columbia, MD
30.0	KB3CMA	Annapolis Broad KB3CMA	442.3000	+5	TSQL 107.2	FM (analog) (C4FM,FM)		—	Annapolis, MD
30.0	KB3CMA	Annapolis Broad KB3CMA Interstat	441.8375	+5	CC1	DMR	Interstate-3	—	Annapolis, MD
30.1	W3LRC	Laurel W3LRC	442.5000	+5	TONE 156.7	FM (analog)		—	Laurel, MD
30.1	W4ATN	Laurel W4ATN	443.8000	+5	CC3	DMR		—	Laurel, MD
30.1	W4ATN	Laurel W4ATN	145.3900	-0.6	none	FM (analog)		—	Laurel, MD
30.2	K3PZN	Westminster K3PZN	145.4100	-0.6	TSQL 114.8	FM (analog)	🗓 1 net	1 net	Westminster, MD
30.2	K3PZN	Westminster K3PZN	449.8750	-5	TSQL 127.3	FM (analog) (C4FM,FM)	🗓 1 net	1 net	Westminster, MD
30.2	K3PZN	Westminster K3PZN	53.0900	-1	TSQL 107.2	FM (analog)	🗓 1 net	1 net	Westminster, MD
30.6	KB3MEC	Galena KB3MEC	441.5000	+5	DCS 754	FM (analog)		—	Galena, MD
30.7	KB3MEC	Galena KB3MEC	224.0000	-1.6	TONE 131.8	FM (analog)		—	Galena, MD
30.8	W3SQN	Laurel W3SQN BM	442.9000	+5	CC1	DMR	BrandMeister 312418	—	Laurel, MD
31.0	W3YVV	Dayton W3YVV	927.5375	-25	TSQL 156.7	FM (analog)		—	Dayton, MD
31.0	K3CUJ	Cooksville K3CUJ	147.3900	+0.6	TONE 156.7	FM (analog) (C4FM,FM)		—	Cooksville, MD
31.2	K3CUJ	Cooksville K3CUJ	448.2750	-5	TSQL 156.7	FM (analog) (FM,C4FM)		—	Cooksville, MD
32.3	W3ETC	Centreville W3ETC	927.6500	-25	TSQL 156.7	FM (analog) (FM,P25)		—	Centreville, MD
32.3	KE3AO	Centreville KE3AO	146.9400	-0.6	TONE 107.2	FM (analog)		—	Centreville, MD
32.3	KE3AO	Centreville KE3AO	448.2250	-5	TONE 107.2	FM (analog) (FM,C4FM)		—	Centreville, MD
32.7	KX3B	Nottingham KX3B	146.7150	-0.6	TSQL 131.8	FM (analog)		—	Nottingham, PA
32.9	N3KZS	Manchester N3KZS AllStar	146.8950	-0.6	TSQL 107.2	FM (analog)	AllStar 520690 IRLP 7070	—	Manchester, MD
33.8	N3TPL	Holtwood Martic N3TPL BM	448.6250	-5	TSQL 114.8	FM (analog) (C4FM,DMR,FM)	BrandMeister 314277	—	Holtwood, PA
33.9	N3AGB	Ashton N3AGB	53.2500	-1	TSQL 100.0	FM (analog)		—	Ashton, MD
33.9	KC3BXH	Ashton KC3BXH EchoLink	147.0000	-0.6	TONE 156.7	FM (analog) (FM,P25)	EchoLink 105440	—	Ashton, MD
33.9	K3WX	Ashton K3WX	224.5400	-1.6	TONE 156.7	FM (analog)		—	Ashton, MD
33.9	KC3BXH	Ashton KC3BXH	443.1500	+5	TSQL 156.7	FM (analog) (FM,P25)		—	Ashton, MD
33.9	KC3BXH	Ashton KC3BXH IRLP	927.7250	-25	TONE 156.7	FM (analog)	IRLP 4088	—	Ashton, MD
34.1	K3EJ	Holtwood K3EJ	51.9200	-0.5	TSQL 131.8	FM (analog)		—	Holtwood, PA
34.1	KX3B	Holtwood KX3B	448.7750	-5	CC1	DMR		—	Holtwood, PA
34.1	K3EJ	Holtwood K3EJ BM	927.7000	-25	CC1	DMR	BrandMeister 315089	—	Holtwood, PA
34.4	K3LPV	Buck K3LPV AllStar	224.7800	-1.6	TONE 151.4	FM (analog)	AllStar 450770	—	Buck, PA
34.4	KX3B	Holtwood KX3B AllStar	146.7450	-0.6	TSQL 156.7	FM (analog) (DMR,FM)	AllStar 41033 BrandMeister 314257	—	Holtwood, PA
34.4	N3FYI	Lancaster N3FYI	224.3200	+0.6	TSQL 114.8	FM (analog)		—	Lancaster, PA
34.4	N3FYI	Lancaster N3FYI	53.8500	-0.6	TSQL 114.8	FM (analog)		—	Lancaster, PA
34.8	WB3DSY	Holtwood WB3DSY AllStar	448.1750	-5	TONE 94.8	FM (analog)	AllStar 608370	—	Holtwood, PA
34.8	WA3KOK	Ashton WA3KOK Interstat	442.2375	+5	none	FM (analog) (DMR,FM)	Interstate-Network	—	Ashton, MD
34.8	N3EIO	Quarryville N3EIO	448.1750	-5	TONE 94.8	FM (analog)		—	Quarryville, PA
34.9	N3FYI	Lancaster N3FYI AllStar	145.3100	-0.6	TSQL 118.8	FM (analog)	AllStar 289891 EchoLink 951813 AllStar 289892	—	Lancaster, PA
34.9	N3FYI	Lancaster N3FYI AllStar	446.4750	-5	TSQL 114.8	FM (analog)	AllStar 289890 EchoLink 446475	—	Lancaster, PA
35.0	WA3KOK	Ashton WA3KOK	444.0500	+5	none	FM (analog) (FM,P25)		—	Ashton, MD
35.2	N3CNJ	Red Lion N3CNJ TGIF	448.5250	-5	CC1	DMR	TGIF	—	Red Lion, PA
35.3	W3ZGD	Red Lion W3ZGD	146.8650	-0.6	TSQL 123.0	FM (analog) (FM,C4FM)		—	Red Lion, PA
35.3	N3NRN	Red Lion N3NRN	449.4250	-5	TSQL 123.0	FM (analog)		—	Red Lion, PA
35.6	KY3O	Calverton KY3O BM	438.4500	-5	CC1	DMR	BrandMeister 318573701	—	Calverton, MD
35.6	N3RCN	Elkton N3RCN	145.4700	-0.6	TSQL 94.8	FM (analog)		—	Elkton, MD
35.9	WA3NAN	Greenbelt WA3NAN	146.8350	-0.6	TONE 114.8	FM (analog)		—	Greenbelt, MD
35.9	W3GMR	Greenbelt W3GMR	146.8800	-0.6	TSQL 77.0	FM (analog)		—	Greenbelt, MD
36.2	KA3CNT	Red Lion KA3CNT AllStar	224.8400	-1.6	TONE 131.8	FM (analog)	AllStar 452072 AllStar 452073	—	Red Lion, PA
36.3	W3EOC	Oxford W3EOC	448.8750	-5	TONE 100.0	FM (analog)		—	Oxford, PA
36.4	W3VPR	Davidsonville W3VPR	147.1050	+0.6	TONE 107.2	FM (analog)	🗓 5 nets	5 nets · 528 check-ins · 75 stations	Davidsonville, MD
36.4	W3VPR	Davidsonville W3VPR	223.8800	-1.6	TONE 107.2	FM (analog)	🗓 5 nets	5 nets · 528 check-ins · 75 stations	Davidsonville, MD
36.4	W3VPR	Davidsonville W3VPR	444.4000	+5	TSQL 107.2	FM (analog)	🗓 5 nets	5 nets · 528 check-ins · 75 stations	Davidsonville, MD
36.8	K3ERA	Lanham DC Hosp K3ERA	447.3250	-5	TONE 110.9	FM (analog)	🗓 2 nets	2 nets · 39 check-ins · 15 stations	Lanham, MD
36.9	K3VOA	Silver Spring K3VOA AllStar	447.5750	-5	TONE 77.0	FM (analog)	AllStar 23919	—	Silver Spring, MD
37.4	K3UCB	Olney K3UCB Interstate	442.9000	+5	CC1	DMR	Interstate-Network	—	Olney, MD
37.8	W3CGT	Mount Airy W3CGT	448.5750	-5	TONE 69.3	FM (analog)		—	Mount Airy, MD
38.5	K3SCD	Middletown K3SCD BM	433.5500	in 439.5500	CC5	DMR	BrandMeister 321717501	—	Middletown, DE
39.1	N3TPE	Middletown N3TPE BM	440.3500	+5	CC10	DMR	BrandMeister 311031	—	Middletown, DE
39.1	AD3J	Middletown AD3J WIRES-X	449.0250	-5	TSQL 131.8	FM (analog)	WIRES-X 11851	—	Middletown, DE
39.4	W3EAX	College Park UMD W3EAX EchoLink	145.4900	-0.6	none	FM (analog)	EchoLink 318547	—	College Park, MD
39.4	N3TUK	Adelphi N3TUK AllStar	443.6625	+5	CC1	DMR	AllStar 43105 BrandMeister 313057	—	Adelphi, MD
39.6	W3MFP	Wheaton W3MFP BM	442.8875	+5	CC5	DMR	BrandMeister 312428101	—	Wheaton, MD
40.1	N3LHD	Upper Marlboro N3LHD Interstate	444.6500	+5	CC6	DMR	Interstate-c-Bridge-1	—	Upper Marlboro, MD
40.2	W3KIT	SHARI-UHF W3KIT AllStar	438.2875	simplex	TONE 203.5	FM (analog)	AllStar 547612 AllStar 547619	—	SHARI-UHF Maryland, MD
41.0	W3CER	Middletown Emerg W3CER	442.5000	+5	TSQL 100.0	FM (analog)		—	Middletown, DE
41.1	W3MUM	Hanover Pigeon W3MUM	147.3300	+0.6	TONE 123.0	FM (analog)		—	Hanover, PA
41.1	KB3LYL	Damascus KB3LYL K4USD-Net	442.2125	+5	CC1	DMR	K4USD-Net	—	Damascus, MD
41.2	KC3TTN	Kelton Post KC3TTN	448.9750	-5		Fusion (C4FM)		—	Kelton, PA
41.3	K3LPV	Kelton 7& RD K3LPV AllStar	146.9250	-0.6	CC1	DMR	AllStar 50145 BrandMeister 310880	—	Kelton, PA
41.3	W3HZU	York W3HZU AllStar	53.9700	-1	TONE 127.3	FM (analog)	AllStar 27791 EchoLink 494127 🗓 1 net	1 net · 17 check-ins · 7 stations	York, PA
41.3	W3HZU	York RRC Park W3HZU AllStar	447.2750	-5	TONE 123.0	FM (analog) (DMR,FM)	AllStar 28445 EchoLink 276840 BrandMeister 314249 🗓 1 net	1 net · 17 check-ins · 7 stations	York, PA
41.3	WR3IRS	York Hallam WR3IRS Interstat	441.1500	+5	CC1	DMR	Interstate	—	York, PA
41.3	W3WAN	York W3WAN AllStar	146.9250	-0.6	TSQL 74.4	FM (analog)	AllStar 27705	—	York, PA
41.4	K3GMR	Bladensburg K3GMR EchoLink	146.6100	-0.6	TSQL 77.0	FM (analog)	EchoLink 796114	—	Bladensburg, MD
41.4	WA3RF	Cheverly WA3RF AllStar	441.0000	+5	TONE 173.8	FM (analog)	AllStar 57512	—	Cheverly, MD
41.4	K3ZED	Jennersville SR K3ZED BM	447.8750	-5	CC1	DMR	BrandMeister 310463	—	Jennersville, PA
41.4	KB3VVB	Hanover Pigeon KB3VVB Interstat	445.2312	-5	CC1	DMR	Interstate-2	—	Hanover, PA
41.7	N3SLC	Christiana N3SLC	145.2500	-0.6	TONE 114.8	FM (analog) (FM,C4FM)		—	Christiana, PA
41.8	W3UD	Newark U of D W3UD EchoLink	145.3100	-0.6	TSQL 141.3	FM (analog)	EchoLink 71786	—	Newark, DE
41.8	W4ATN	Largo W4ATN MARC	443.7875	+5	CC3	DMR	DMR-MARC	—	Largo, MD
41.9	W3DRA	Newark Wtr W3DRA	146.7000	-0.6	TSQL 131.8	FM (analog) (FM,C4FM)		—	Newark, DE
41.9	W3DRA	Newark Wtr W3DRA	449.0250	-5	TSQL 131.8	FM (analog) (FM,C4FM)		—	Newark, DE
42.1	KA3LAO	Silver Spring KA3LAO	147.1800	+0.6	TONE 156.7	FM (analog) (FM,P25)		—	Silver Spring, MD
42.1	WB3GXW	Silver Spring WB3GXW EchoLink	147.2250	+0.6	TONE 156.7	FM (analog)	EchoLink 147225	—	Silver Spring, MD
42.1	N3AUY	Silver Spring N3AUY	29.6600	-0.1	TSQL 141.3	FM (analog)		—	Silver Spring, MD
42.1	N3AUY	Silver Spring N3AUY	449.0250	-5	TONE 156.7	FM (analog)		—	Silver Spring, MD
43.2	KV3B	Rockville KV3B	146.9550	-0.6	none	FM (analog)		—	Rockville, MD
43.3	WA3YOO	North Bethesda WA3YOO	224.9400	-1.6	TONE 156.7	FM (analog)		—	North Bethesda, MD
43.6	WA3YOO	Rockville WA3YOO Interstat	443.9000	+5	TONE 156.7	FM (analog) (DMR,FM,P25)	Interstate-3-Network	—	Rockville, MD
43.7	WA3KOK	Rockville WA3KOK	927.1375	-25	TONE 156.7	FM (analog)		—	Rockville, MD
43.7	N3JFW	Rockville N3JFW K4USD-Net	442.4875	+5	CC1	DMR	K4USD-Net	—	Rockville, MD
43.7	KV3B	Rockville KV3B	442.7500	+5	TSQL 156.7	FM (analog) (C4FM,FM)		—	Rockville, MD
43.8	WB3LGG	Cochranville WB3LGG	449.6750	-5	TSQL 94.8	FM (analog)		—	Cochranville, PA
44.1	KA3LAO	Gaithersburg RF KA3LAO Interstat	441.8875	+5	CC1	DMR	Interstate-Network	—	Gaithersburg, MD
44.1	KV3B	Gaithersburg KV3B	53.2700	-1	TSQL 156.7	FM (analog)		—	Gaithersburg, MD
44.3	NC3M	Rockville NC3M AllStar	445.9750	simplex	TONE 100.0	FM (analog)	AllStar 47835	—	Rockville, MD
44.5	N3AMW	Lancaster N3AMW BM	439.5500	in 439.2500	CC1	DMR	BrandMeister 3165113 BrandMeister 316511302	—	Lancaster, PA, PA
44.7	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
44.7	W3PC	Lancaster W3PC BM	448.5750	-5	CC1	DMR	BrandMeister 310159	—	Lancaster, PA
44.8	W3HZU	York RRC Park W3HZU AllStar	146.9700	-0.6	TONE 127.3	FM (analog)	AllStar 27303 EchoLink 9211 🗓 1 net	1 net · 17 check-ins · 7 stations	York, PA
44.8	N3BBF	Potomac N3BBF BM	442.9000	+5	CC1	DMR	BrandMeister 314963	—	Potomac, MD
45.1	W3RRR	Lancaster Hosp W3RRR EchoLink	147.0150	+0.6	TSQL 118.8	FM (analog)	EchoLink 380019 🗓 2 nets	2 nets · 16 check-ins · 16 stations	Lancaster, PA
45.1	W3RRR	Lancaster Hosp W3RRR WIRES-X	449.5750	-5	TSQL 114.8	FM (analog) (FM,C4FM)	WIRES-X 11283 🗓 2 nets	2 nets · 16 check-ins · 16 stations	Lancaster, PA
45.2	W3WDC	Washington W3WDC BM	443.0125	+5	CC4	DMR	BrandMeister 312819502	—	Washington, DC
45.6	K3YGG	Bethesda NIH K3YGG EchoLink	145.2900	-0.6	TONE 156.7	FM (analog)	EchoLink 247014	—	Bethesda, MD
45.6	K3CRK	Smyrna K3CRK	146.6550	-0.6	TONE 156.7	FM (analog)		—	Smyrna, DE
45.6	K3CRK	Smyrna K3CRK	443.0500	+5	TONE 156.7	FM (analog)		—	Smyrna, DE
45.7	KS3M	Abbottstown KS3M AllStar	147.5100	simplex	TONE 114.8	FM (analog)	AllStar 57337 AllStar 573370	—	Abbottstown, PA
45.8	W3CER	Newark Christian W3CER	444.9500	+5	TSQL 100.0	FM (analog)		—	Newark, DE
46.1	K3WS	Washington K3WS AllStar	443.3750	-5	TONE 123.0	FM (analog)	AllStar 27701	—	Washington, DC
46.1	K3WS	Washington K3WS AllStar	447.3750	-5	TONE 123.0	FM (analog)	AllStar 27701	—	Washington, DC
46.1	W3AGB	Washington W3AGB DMRVA	444.1625	+5	CC1	DMR	DMRVA	—	Washington, DC
46.1	W3AGB	Washington W3AGB K4USD	147.3600	+0.6	CC1	DMR	K4USD	—	Washington, DC
46.1	W3AGB	Washington W3AGB	1283.1000	-12	none	D-STAR		—	Washington, DC
46.1	N3VEM	Witmer N3VEM AllStar	444.0000	+5	TONE 100.0	FM (analog)	AllStar 56001	—	Witmer, PA
46.1	N3VEM	Witmer N3VEM AllStar	444.2000	+5	TSQL 100.0	FM (analog)	AllStar 56001	—	Witmer, PA
46.5	N3YMS	Hazlettville N3YMS Interstate	448.0750	-5	CC2	DMR	Interstate-2-Network	—	Hazlettville, DE
46.6	KA3LAO	Washington KA3LAO	145.1100	-0.6	CC1	DMR		—	Washington, DC
46.6	W3DCA	Washington W3DCA	147.2700	+0.6	TONE 100.0	FM (analog)		—	Washington, DC
46.6	N3ADV	Washington N3ADV	447.1750	-5	TONE 156.7	FM (analog)		—	Washington, DC
46.7	KA3VSP	New Castle KA3VSP AllStar	223.4400	simplex	TONE 100.0	FM (analog)	AllStar 500960	—	New Castle, DE
46.9	WA3KOK	Germantown WA3KOK	147.2700	+0.6	TONE 156.7	FM (analog) (FM,P25)		—	Germantown, MD
46.9	KV3B	Germantown KV3B	444.2000	+5	none	D-STAR		—	Germantown, MD
47.0	K3VOA	Washington Wilbu K3VOA AllStar	147.0450	+0.6	TSQL 77.0	FM (analog)	AllStar 23918	—	Washington, DC
47.3	W3HAC	Washington W3HAC	147.3600	+0.6	CC1	DMR		—	Washington, DC
47.3	W3HAC	Washington W3HAC	1283.1000	-12	none	D-STAR		—	Washington, DC
47.3	W3NAB	Washington W3NAB AllStar	442.7000	+5	TONE 103.5	FM (analog)	AllStar 53645	—	Washington, DC
47.3	WA3KOK	Washington WAMU WA3KOK IRLP	449.9750	-5	TSQL 107.2	FM (analog) (FM,P25)	IRLP 4000	—	Washington, DC
47.5	N3YMS	Hazlettville N3YMS	147.3000	+0.6	TSQL 77.0	FM (analog)		—	Hazlettville, DE
47.7	W3DOS	Washington Harry W3DOS	145.1900	-0.6	TONE 151.4	FM (analog)		—	Washington, DC
47.8	N6PPP	Town L0C4T0R N6PPP BM	445.0000	-5	CC1	DMR	BrandMeister 3110809	—	Town, L0C4T0R, MD
48.0	W3HAC	Washington W3HAC	444.1625	+5	CC0	DMR		—	Washington, DC
48.2	N3BBF	Potomac N3BBF BM	447.8750	-5	CC1	DMR	BrandMeister 314982	—	Potomac, MD
48.2	K3EMD	Easton URM Ctr K3EMD WIRES-X	442.2000	+5	TSQL 156.7	FM (analog) (FM,C4FM)	WIRES-X 33142	—	Easton, MD
48.6	KI6OM	Wilmington Kenne KI6OM AllStar	447.3250	-5	TSQL 123.0	FM (analog)	AllStar 68141	—	Wilmington, DE
49.3	W3IHM	Mount Joy W3IHM AllStar	446.0000	simplex	TONE 131.8	FM (analog)	AllStar 27197	—	Mount Joy, PA
49.3	W3IHM	Mount Joy W3IHM AllStar	927.9875	in 902.0125	TONE 114.8	FM (analog)	AllStar 46958	—	Mount Joy, PA
49.6	N8HM	Arlington N8HM BM	438.4500	-5	CC1	DMR	BrandMeister 311101701	—	Arlington, VA
49.8	W3GMS	Parkesburg W3GMS AllStar	146.9850	-0.6	TONE 100.0	FM (analog)	AllStar 53850 EchoLink 623852 AllStar 53085 🗓 2 nets	2 nets · 13 check-ins · 11 stations	Parkesburg, PA
3.6	W3DAK offline	Middle River W3DAK BM	145.1700	-0.6	CC1	DMR	BrandMeister 312377	—	Middle River, MD
9.2	N2MCS offline	Baltimore N2MCS	442.9000	+5	CC?	DMR		—	Baltimore, MD
9.3	N3VSI offline	Edgewood N3VSI AllStar	146.5600	simplex	TSQL 127.3	FM (analog)	IRLP 8277 AllStar 29916	—	Edgewood, MD
13.1	K3AYV offline	Baltimore Pigtow K3AYV EchoLink	442.9000	+5	TSQL 162.2	FM (analog)	EchoLink	—	Baltimore, MD
17.5	K3BAY offline	Pasadena K3BAY IRLP	145.5400	simplex	TSQL 107.2	FM (analog)	IRLP 4717	—	Pasadena, MD
25.2	N3CNJ offline	Gatchellville N3CNJ TGIF	447.7250	-5	CC1	DMR (C4FM,DMR,P25)	TGIF	—	Gatchellville, PA
25.6	WA3SFJ offline	Port Deposit WA3SFJ	53.8300	-1	TONE 94.8	FM (analog)	🗓 1 net	1 net · 5 check-ins · 5 stations	Port Deposit, MD
26.3	KP4IP offline	Millersville KP4IP BM	442.4000	+5	CC1	DMR	BrandMeister 310148	—	Millersville, MD
27.5	W3LRC offline	Jessup W3LRC BM	447.8500	-5	CC1	DMR	BrandMeister 314342	—	Jessup, MD
29.7	WA3KOK offline	Clarksville WA3KOK IRLP	144.9700	simplex	TSQL 107.2	FM (analog)	IRLP 4542	—	Clarksville, MD
29.7	WA3KOK offline	Laurel WA3KOK IRLP	144.4400	simplex	none	FM (analog)	IRLP 4173	—	Laurel, MD
31.7	N3RCN offline	Elkton N3RCN	448.5750	-5	TONE 107.2	FM (analog)		—	Elkton, MD
32.7	W3XJ offline	Bowie W3XJ	442.1500	+5	none	FM (analog)		—	Bowie, MD
35.6	WB3GXW offline	Silver Spring WB3GXW	444.2500	+5	TONE 156.7	FM (analog)		—	Silver Spring, MD
38.5	N3HF offline	Silver Spring N3HF IRLP	443.4500	+5	TSQL 156.7	FM (analog)	IRLP 4712	—	Silver Spring, MD
39.4	KB3SNM offline	Spring Grove KB3SNM IRLP	147.5400	simplex	TSQL 88.5	FM (analog)	IRLP 4014	—	Spring Grove, PA
39.4	W3ARL offline	Adelphi W3ARL	145.3700	-0.6	none	FM (analog)		—	Adelphi, MD
47.0	K3VOA offline	Washington Wilbu K3VOA	448.5750	-5	TSQL 77.0	FM (analog)		—	Washington, DC
47.3	K3MRC offline	Washington K3MRC	145.4300	-0.6	TSQL 114.8	FM (analog) (FM,C4FM)		—	Washington, DC
47.3	KC3VO offline	Washington KC3VO	448.8750	-5	none	FM (analog)		—	Washington, DC

Data courtesy of RepeaterBook.com