N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 11, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

MALCOLM H RINGEL

FRN 0003158052 · first licensed Feb 12, 1997 as K3KZ · 1 license on record

📝 FCC Applications (1)

Received	File number	Service	Purpose	Status	Call
Apr 19, 2004	0001702586	HAM	Administrative update	Granted	K3KZ

Complete Licensing History

K3KZ Canceled Amateur Extra · vanity Feb 12, 1997 → Jun 16, 2006 (canceled)

Licensee
MALCOLM H RINGEL

Address
7316 SOLITUDE LANE
SAINT MICHAELS, MD 21663
38.7880, -76.2312 (ZIP center) · Grid FM18vs · CQ 5 · ITU 8 · map ↗

FRN
0003158052

Previous call
W3SW (Advanced)

Last granted
Feb 12, 1997

Effective
Apr 19, 2004

Last action
Aug 4, 2008
FCC actions (3)
- Aug 4, 2008 — Record corrected COR
- Aug 4, 2008 — Record corrected COR
- Apr 19, 2004 — 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 11, 2026 · 49 snapshots · as K3KZ
MALCOLM H RINGEL
7316 SOLITUDE LANE, SAINT MICHAELS, MD 21663
38.7880, -76.2312 (ZIP center) · Grid FM18vs · CQ 5 · ITU 8 · map ↗

Repeaters within 50 Miles

219 repeaters within 50 miles of this ZIP code, most active 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
24.0	W3VPR	Davidsonville W3VPR	147.1050	+0.6	TONE 107.2	FM (analog)	🗓 5 nets	5 nets · 679 check-ins · 85 stations	Davidsonville, MD
24.0	W3VPR	Davidsonville W3VPR	223.8800	-1.6	TONE 107.2	FM (analog)	🗓 5 nets	5 nets · 679 check-ins · 85 stations	Davidsonville, MD
24.0	W3VPR	Davidsonville W3VPR	444.4000	+5	TSQL 107.2	FM (analog)	🗓 5 nets	5 nets · 679 check-ins · 85 stations	Davidsonville, MD
25.5	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
30.1	W3VPR	Millersville W3VPR	224.5600	-1.6	TONE 107.2	FM (analog)	🗓 5 nets	5 nets · 679 check-ins · 85 stations	Millersville, MD
40.7	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
40.7	KC3ARC	Woodside KC3ARC	444.5500	+5	TSQL 77.0	FM (analog)	🗓 7 nets	7 nets · 151 check-ins · 39 stations	Woodside, DE
46.1	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
41.3	K3HKI	Lexington Park K3HKI	146.6400	-0.6	TSQL 146.2	FM (analog)	🗓 3 nets	3 nets · 115 check-ins · 44 stations	Lexington Park, MD
46.0	N3JLT	Alexandria N3JLT Interstate	443.1000	+5	CC1	DMR	Interstate 🗓 1 net	1 net · 89 check-ins · 45 stations	Alexandria, VA
36.2	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
36.6	K3ERA	Lanham DC Hosp K3ERA	447.3250	-5	TONE 110.9	FM (analog)	🗓 2 nets	2 nets · 52 check-ins · 19 stations	Lanham, MD
43.9	W4HFH	Alexandria W4HFH DMRVA	442.4125	+5	CC1	DMR	DMRVA 🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
43.9	W4HFH	Alexandria W4HFH	927.6000	-25	TSQL 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
46.8	W4HFH	Alexandria W4HFH	53.1300	-1	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
46.8	W4HFH	Alexandria W4HFH	147.3150	+0.6	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
46.8	W4HFH	Alexandria W4HFH	224.8200	-1.6	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
46.8	W4HFH	Alexandria W4HFH	444.6000	+5	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
46.8	W4HFH	Alexandria W4HFH	1282.6000	-12	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
47.1	W4HFH	Alexandria W4HFH	145.3800	-0.6	none	D-STAR	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
47.1	W4HFH	Alexandria Hosp W4HFH	442.0600	+5	none	D-STAR	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
47.1	W4HFH	Alexandria Hosp W4HFH	1284.6000	-12	none	D-STAR	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
36.6	N3PX	Mechanicsville N3PX	147.1950	+0.6	TSQL 156.7	FM (analog)	🗓 1 net	1 net · 42 check-ins · 13 stations	Mechanicsville, MD
41.1	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
41.1	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
21.1	K3CAL	Sunderland K3CAL EchoLink	146.9850	-0.6	TONE 156.7	FM (analog) (FM,C4FM)	EchoLink 389207 🗓 1 net	1 net	Sunderland, MD
29.2	KA2JAI	Millersville KA2JAI EchoLink	146.8050	-0.6	TSQL 107.2	FM (analog)	EchoLink 🗓 1 net	1 net	Millersville, MD
30.3	K3CAL	Lusby Appeal K3CAL EchoLink	444.9500	+5	TSQL 156.7	FM (analog) (FM,C4FM)	EchoLink 389207 🗓 1 net	1 net	Lusby, MD
8.4	K3EMD	Easton URM Ctr K3EMD WIRES-X	442.2000	+5	TSQL 156.7	FM (analog) (FM,C4FM)	WIRES-X 33142	—	Easton, MD
12.9	N3YMS	Trappe N3YMS Interstate	442.5375	+5	CC1	DMR	Interstate	—	Trappe, MD
14.4	K3EMD	Easton K3EMD WIRES-X	147.0450	+0.6	TSQL 156.7	FM (analog)	WIRES-X 43142	—	Easton, MD
15.1	W3GAB	Stevensville W3GAB BM	433.8000	+5	CC1	DMR	BrandMeister 321788101	—	Stevensville, MD
19.2	WG3K	Chesapeake Beach WG3K BM	444.3500	+5	none	D-STAR (DMR,DV)	BrandMeister 312393	—	Chesapeake Beach, MD
19.6	W3ETC	Centreville W3ETC	927.6500	-25	TSQL 156.7	FM (analog) (FM,P25)		—	Centreville, MD
19.6	KE3AO	Centreville KE3AO	146.9400	-0.6	TONE 107.2	FM (analog)		—	Centreville, MD
19.6	KE3AO	Centreville KE3AO	448.2250	-5	TONE 107.2	FM (analog) (FM,C4FM)		—	Centreville, MD
20.0	N3HAZ	Annapolis N3HAZ BM	439.5500	in 433.5500	CC1	DMR	BrandMeister 3197367	—	Annapolis, MD
21.1	N3PPH	Sunderland Mt N3PPH Interstate	441.6375	+5	CC1	DMR	Interstate-2	—	Sunderland, MD
22.4	KB3CMA	Annapolis Broad KB3CMA Interstat	441.8375	+5	CC1	DMR	Interstate-3	—	Annapolis, MD
22.4	KB3CMA	Annapolis Broad KB3CMA	442.3000	+5	TSQL 107.2	FM (analog) (C4FM,FM)		—	Annapolis, MD
23.5	KC3FCQ	Arnold KC3FCQ BM	442.8750	+5	CC1	DMR	BrandMeister 312411801	—	Arnold, MD
25.2	W3PQS	Prince Frederick W3PQS	53.1700	-1	TSQL 100.0	FM (analog)		—	Prince Frederick, MD
25.6	N3KNT	Federalsburg N3KNT Interstate	442.0500	+5	CC1	DMR	Interstate-2-Network	—	Federalsburg, MD
26.0	N3PPH	Prince Frederick N3PPH Interstate	441.3875	+5	CC1	DMR	Interstate-3	—	Prince Frederick, MD
27.5	N3FI	Barstow N3FI	443.7000	+5	TSQL 179.9	FM (analog) (FM,C4FM)		—	Barstow, MD
27.6	W3SMD	Barstow W3SMD AllStar	223.9000	-1.6	TONE 186.2	FM (analog)	AllStar 513100	—	Barstow, MD
27.7	KB2SKP	Lexington Park KB2SKP BM	446.0125	in 433.0125	CC1	DMR	BrandMeister 314491901	—	Lexington Park, MD
29.1	KR3LC	Pasadena KR3LC BM	433.4500	in 446.4500	CC1	DMR	BrandMeister 312414103	—	Pasadena, MD
29.1	K3BAY Offline	Pasadena K3BAY IRLP	145.5400	simplex	TSQL 107.2	FM (analog)	IRLP 4717	—	Pasadena, MD
29.2	KP4IP Offline	Millersville KP4IP BM	442.4000	+5	CC1	DMR	BrandMeister 310148	—	Millersville, MD
29.3	N3SCP	Gambrills N3SCP WIRES-X	447.5500	-5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 18557	—	Gambrills, MD
29.3	N3SCP	Gambrills N3SCP WIRES-X	442.5500	+5	TONE 107.2	FM (analog) (FM,C4FM)	WIRES-X 18557	—	Gambrills, MD
30.1	W3CU	Millersville W3CU EchoLink	146.8050	-0.6	TONE 107.2	FM (analog)	EchoLink 90911	—	Millersville, MD
30.1	W3CU	Millersville W3CU	449.1250	-5	TONE 107.2	FM (analog) (FM,C4FM)		—	Millersville, MD
30.1	N3LHD	Aquasco N3LHD Interstate	442.4625	+5	CC1	DMR	Interstate-c-Bridge-1	—	Aquasco, MD
30.5	KB3IAI	Gambrills KB3IAI BM	439.9000	in 438.2000	CC1	DMR	BrandMeister 3172111	—	Gambrills, MD
31.0	K3ARS	Chestertown Shor K3ARS	449.1750	-5	TONE 156.7	FM (analog)		—	Chestertown, MD
31.0	N3YMS	Chestertown N3YMS Interstate	441.6625	+5	CC1	DMR	Interstate	—	Chestertown, MD
31.3	N3LHD	Upper Marlboro N3LHD Interstate	444.6500	+5	CC6	DMR	Interstate-c-Bridge-1	—	Upper Marlboro, MD
32.7	W3CPO	Glen Burnie W3CPO BM	448.5000	-5	CC1	DMR	BrandMeister 312442201	—	Glen Burnie, MD
32.9	W4ATN	Largo W4ATN MARC	443.7875	+5	CC3	DMR	DMR-MARC	—	Largo, MD
33.1	W3XJ Offline	Bowie W3XJ	442.1500	+5	none	FM (analog)		—	Bowie, MD
33.3	K3DRC	Salisbury WMDT K3DRC	146.8200	-0.6	TSQL 156.7	FM (analog)		—	Salisbury, MD
33.4	N3LPV	Glen Burnie N3LPV EchoLink	146.5650	in 144.6000	none	FM (analog)	EchoLink 242213	—	Glen Burnie, MD
33.4	N3MIR	Glen Burnie N3MIR	442.6000	+5	TONE 127.3	FM (analog)		—	Glen Burnie, MD
33.8	WA3YUV	Brandywine WA3YUV	443.6000	+5	TSQL 103.5	FM (analog) (FM,C4FM)		—	Brandywine, MD
34.4	W3SMR	Brandywine W3SMR	147.1500	+0.6	TSQL 114.8	FM (analog)		—	Brandywine, MD
34.5	W3WMD	Greenwood W3WMD	224.4400	-1.6	none	FM (analog)		—	Greenwood, DE
34.5	N3PPH	Mechanicsville N3PPH Interstate	441.7875	+5	CC1	DMR	Interstate-2	—	Mechanicsville, MD
34.5	N3KNT	Seaford N3KNT EchoLink	146.7150	-0.6	TONE 156.7	FM (analog)	EchoLink 959058	—	Seaford, DE
34.7	KC3APF	Dundalk Key KC3APF WIRES-X	448.6750	-5	TONE 91.5	FM (analog) (FM,C4FM)	WIRES-X 30068	—	Dundalk, MD
34.9	W3BPT	Hollywood W3BPT Interstate	146.8500	-0.6	CC1	DMR	Interstate-3	—	Hollywood, MD
34.9	W3TBG	Seaford W3TBG	444.9000	+5	TONE 156.7	FM (analog)		—	Seaford, DE
34.9	N3YMS	Seaford N3YMS Interstate	442.8125	+5	CC1	DMR	Interstate	—	Seaford, DE
35.0	K3ARS	Worton K3ARS AllStar	147.3750	+0.6	TSQL 156.7	FM (analog)	AllStar 497350	—	Worton, MD
35.0	K3ARS	Worton K3ARS BM	447.7375	-5	CC1	DMR	BrandMeister 312414	—	Worton, MD
35.0	K3ARS	Worton K3ARS BM	442.7375	+5	CC1	DMR	BrandMeister 312414	—	Worton, MD
35.0	K3GGM	Hollywood K3GGM BM	446.5000	-5	CC1	DMR	BrandMeister 3211901	—	Hollywood, MD
35.6	N3PPH	Hollywood Fire N3PPH	145.3500	-0.6	TONE 156.7	FM (analog)		—	Hollywood, MD
35.7	KB3FWW Offline	Hollywood KB3FWW IRLP	449.4900	simplex	TSQL 146.2	FM (analog)	IRLP 8856	—	Hollywood, MD
35.9	W1JD	Mechanicsville W1JD BM	439.8750	-5	CC8	DMR	BrandMeister 3124132	—	Mechanicsville, MD
36.4	K3LPV	Essex K3LPV BM	449.9000	-5	CC1	DMR	BrandMeister 310588	—	Essex, MD
36.4	K3LPV	Essex K3LPV	449.2000	simplex	CC?	DMR		—	Essex, MD
36.4	KB3IWV	Harrington KB3IWV	442.4500	+5	TONE 127.3	FM (analog)		—	Harrington, DE
36.4	KD3CXK	Brooklyn KD3CXK BM	439.0650	-1	CC1	DMR	BrandMeister 3223379	—	Brooklyn, MD
36.7	N3YMS	Hazlettville N3YMS Interstate	448.0750	-5	CC2	DMR	Interstate-2-Network	—	Hazlettville, DE
36.8	W3TBG	Seaford WSUX W3TBG WIRES-X	145.2100	-0.6	TONE 156.7	FM (analog) (FM,C4FM)	WIRES-X 46540	—	Seaford, DE
37.1	K3OCM	Charlotte Hall K3OCM K4USD-Net	443.1875	+5	CC6	DMR	K4USD-Net	—	Charlotte Hall, MD
37.7	KB2SKP	Lexington Park KB2SKP WIRES-X	445.2500	-5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 74906	—	Lexington Park, MD
37.7	WA3NAN	Greenbelt WA3NAN	146.8350	-0.6	TONE 114.8	FM (analog)		—	Greenbelt, MD
37.7	W3GMR	Greenbelt W3GMR	146.8800	-0.6	TSQL 77.0	FM (analog)		—	Greenbelt, MD
38.1	WA3RF	Cheverly WA3RF AllStar	441.0000	+5	TONE 173.8	FM (analog)	AllStar 57512	—	Cheverly, MD
38.4	WA3DZD	Jessup WA3DZD	146.7600	-0.6	TSQL 107.2	FM (analog)		—	Jessup, MD
38.4	WA3DZD	Jessup WA3DZD	444.0000	+5	TSQL 107.2	FM (analog)		—	Jessup, MD
38.4	KA3LAO	Jessup KA3LAO Interstat	442.7125	+5	CC1	DMR	Interstate-2-Network	—	Jessup, MD
38.9	N3EMC	Middle River N3EMC AllStar	927.7000	-25	TSQL 156.7	FM (analog) (DMR,FM)	AllStar 67341 EchoLink 506758 TGIF	—	Middle River, MD
38.9	N3YMS	Hazlettville N3YMS	147.3000	+0.6	TSQL 77.0	FM (analog)		—	Hazlettville, DE
39.2	W3PGA	Baltimore KHS W3PGA	147.2400	+0.6	TSQL 123.0	FM (analog) (FM,C4FM)		—	Baltimore, MD
39.2	W3PGA	Baltimore KHS W3PGA	449.5750	-5	TSQL 123.0	FM (analog) (FM,C4FM)		—	Baltimore, MD
39.2	K3GMR	Bladensburg K3GMR EchoLink	146.6100	-0.6	TSQL 77.0	FM (analog)	EchoLink 796114	—	Bladensburg, MD
39.4	N3EST	Middle River N3EST	147.3450	+0.6	TONE 192.8	FM (analog)		—	Middle River, MD
39.4	WB3FFV	Middle River MD WB3FFV BM	438.0150	-5	CC1	DMR	BrandMeister 322199401	—	Middle River, MD FM1, MD
39.5	W4ATN	Laurel W4ATN	443.8000	+5	CC3	DMR		—	Laurel, MD
39.5	W4ATN	Laurel W4ATN	145.3900	-0.6	none	FM (analog)		—	Laurel, MD
39.5	W3LRC	Laurel W3LRC	442.5000	+5	TONE 156.7	FM (analog)		—	Laurel, MD
39.6	WA3KOK	Laurel WA3KOK IRLP	446.5000	simplex	TSQL 100.0	FM (analog)	IRLP 4332	—	Laurel, MD
39.8	W3DAK	Middle River W3DAK EchoLink	447.3750	-5	TONE 67.0	FM (analog) (DMR,FM)	EchoLink 823021 BrandMeister 312299	—	Middle River, MD
40.0	W3SQN	Laurel W3SQN BM	442.9000	+5	CC1	DMR	BrandMeister 312418	—	Laurel, MD
40.1	WA3KOK	Baltimore Haleth WA3KOK	442.2500	+5	TSQL 107.2	FM (analog) (FM,P25)		—	Baltimore, MD
40.3	K3AYV Offline	Baltimore Pigtow K3AYV EchoLink	442.9000	+5	TSQL 162.2	FM (analog)	EchoLink	—	Baltimore, MD
40.6	W3DAK Offline	Middle River W3DAK BM	145.1700	-0.6	CC1	DMR	BrandMeister 312377	—	Middle River, MD
40.6	W3EAX	College Park UMD W3EAX EchoLink	145.4900	-0.6	none	FM (analog)	EchoLink 318547	—	College Park, MD
40.7	N3MRG	Tyaskin Muddy N3MRG	146.8650	-0.6	CC1	DMR		—	Tyaskin, MD
40.8	KB3HGW	Jessup KB3HGW BM	448.8000	-5	CC1	DMR	BrandMeister 321114701	—	Jessup, MD
40.8	N3CDY	Baltimore N3CDY Interstate	927.0625	-25	CC1	DMR	Interstate	—	Baltimore, MD
41.0	W3LRC Offline	Jessup W3LRC BM	447.8500	-5	CC1	DMR	BrandMeister 314342	—	Jessup, MD
41.3	W3HAC	Washington W3HAC	444.1625	+5	CC0	DMR		—	Washington, DC
41.6	N3KUN	Chaptico N3KUN	145.2500	-0.6	TONE 110.9	FM (analog)		—	Chaptico, MD
41.9	N3YMS	Frederica N3YMS Interstate	449.7250	-5	CC1	DMR	Interstate	—	Frederica, DE
42.1	N3DN	Camden N3DN BM	447.8750	-5	CC1	DMR	BrandMeister 314964	—	Camden, DE
42.1	K3WS	Washington K3WS AllStar	443.3750	-5	TONE 123.0	FM (analog)	AllStar 27701	—	Washington, DC
42.1	K3WS	Washington K3WS AllStar	447.3750	-5	TONE 123.0	FM (analog)	AllStar 27701	—	Washington, DC
42.3	W3NAB	Washington W3NAB AllStar	442.7000	+5	TONE 103.5	FM (analog)	AllStar 53645	—	Washington, DC
42.5	W3ARL Offline	Adelphi W3ARL	145.3700	-0.6	none	FM (analog)		—	Adelphi, MD
42.5	N3TUK	Adelphi N3TUK AllStar	443.6625	+5	CC1	DMR	AllStar 43105 BrandMeister 313057	—	Adelphi, MD
42.5	KY3O	Calverton KY3O BM	438.4500	-5	CC1	DMR	BrandMeister 318573701	—	Calverton, MD
42.6	KB3MEC	Galena KB3MEC	224.0000	-1.6	TONE 131.8	FM (analog)		—	Galena, MD
42.7	KB3MEC	Galena KB3MEC	441.5000	+5	DCS 754	FM (analog)		—	Galena, MD
42.7	N3IOC	Wyoming N3IOC	449.7750	-5	TONE 114.8	FM (analog)		—	Wyoming, DE
42.8	K3VOA	Washington Wilbu K3VOA AllStar	147.0450	+0.6	TSQL 77.0	FM (analog)	AllStar 23918	—	Washington, DC
42.8	K3VOA Offline	Washington Wilbu K3VOA	448.5750	-5	TSQL 77.0	FM (analog)		—	Washington, DC
42.9	WB3GXW Offline	Silver Spring WB3GXW	444.2500	+5	TONE 156.7	FM (analog)		—	Silver Spring, MD
42.9	WA3KOK Offline	Clarksville WA3KOK IRLP	144.9700	simplex	TSQL 107.2	FM (analog)	IRLP 4542	—	Clarksville, MD
42.9	WA3KOK Offline	Laurel WA3KOK IRLP	144.4400	simplex	none	FM (analog)	IRLP 4173	—	Laurel, MD
43.0	W3AGB	Washington W3AGB DMRVA	444.1625	+5	CC1	DMR	DMRVA	—	Washington, DC
43.0	W3AGB	Washington W3AGB K4USD	147.3600	+0.6	CC1	DMR	K4USD	—	Washington, DC
43.0	W3AGB	Washington W3AGB	1283.1000	-12	none	D-STAR		—	Washington, DC
43.0	KC3BFB	Fort KC3BFB	146.7150	-0.6	TONE 110.9	FM (analog)		—	Fort Washington, MD
43.9	N3HIA	Joppa N3HIA EchoLink	224.4800	-1.6	TONE 100.0	FM (analog)	EchoLink 245186	—	Joppa, MD
43.9	N4FRS	Alexandria N4FRS	449.3750	-5	TONE 203.5	FM (analog) (FM,DV)		—	Alexandria, VA
44.0	W3HAC	Washington W3HAC	147.3600	+0.6	CC1	DMR		—	Washington, DC
44.0	W3HAC	Washington W3HAC	1283.1000	-12	none	D-STAR		—	Washington, DC
44.0	K3MRC Offline	Washington K3MRC	145.4300	-0.6	TSQL 114.8	FM (analog) (FM,C4FM)		—	Washington, DC
44.0	KC3VO Offline	Washington KC3VO	448.8750	-5	none	FM (analog)		—	Washington, DC
44.0	N3SBP	Parkville N3SBP BM	223.8000	-1.6	CC1	DMR	BrandMeister 312410402 BrandMeister 314562	—	Parkville, MD
44.0	N3VSI Offline	Edgewood N3VSI AllStar	146.5600	simplex	TSQL 127.3	FM (analog)	IRLP 8277 AllStar 29916	—	Edgewood, MD
44.0	N3VSI	Larry - Edgewood N3VSI AllStar	442.9000	+5	TONE 127.3	FM (analog)	AllStar 28094 AllStar 497352	—	Larry - Edgewood, MD
44.1	KA3LAO	Washington KA3LAO	145.1100	-0.6	CC1	DMR		—	Washington, DC
44.1	W3DCA	Washington W3DCA	147.2700	+0.6	TONE 100.0	FM (analog)		—	Washington, DC
44.1	N3ADV	Washington N3ADV	447.1750	-5	TONE 156.7	FM (analog)		—	Washington, DC
44.2	W3CAM	Columbia W3CAM	224.8600	-1.6	none	FM (analog)		—	Columbia, MD
44.5	N3HF Offline	Silver Spring N3HF IRLP	443.4500	+5	TSQL 156.7	FM (analog)	IRLP 4712	—	Silver Spring, MD
44.6	W3DOS	Washington Harry W3DOS	145.1900	-0.6	TONE 151.4	FM (analog)		—	Washington, DC
44.7	N8HM	Arlington N8HM BM	438.4500	-5	CC1	DMR	BrandMeister 311101701	—	Arlington, VA
44.9	W3JEH	Perry Hall W3JEH	223.8400	-1.6	none	FM (analog)		—	Perry Hall, MD
45.0	N3YMS	Dover N3YMS Interstate	449.0750	-5	CC1	DMR	Interstate	—	Dover, DE
45.0	K4US	Alexandria GW K4US	146.6550	-0.6	TSQL 141.3	FM (analog) (C4FM,FM)		—	Alexandria, VA
45.0	KC3OQK	Ellicott City KC3OQK BM	449.0000	-5	CC1	DMR	BrandMeister 315960101	—	Ellicott City, MD
45.0	N3EZD	Ellicott City N3EZD	224.3200	-1.6	none	FM (analog)		—	Ellicott City, MD
45.0	N3EZD	Ellicott City N3EZD	449.5250	-5	TONE 100.0	FM (analog)		—	Ellicott City, MD
45.0	KA3LAO	Silver Spring KA3LAO	147.1800	+0.6	TONE 156.7	FM (analog) (FM,P25)		—	Silver Spring, MD
45.0	WB3GXW	Silver Spring WB3GXW EchoLink	147.2250	+0.6	TONE 156.7	FM (analog)	EchoLink 147225	—	Silver Spring, MD
45.0	N3AUY	Silver Spring N3AUY	29.6600	-0.1	TSQL 141.3	FM (analog)		—	Silver Spring, MD
45.0	N3AUY	Silver Spring N3AUY	449.0250	-5	TONE 156.7	FM (analog)		—	Silver Spring, MD
45.0	K3OCM	Salisbury K3OCM K4USD	442.6500	+5	CC6	DMR	K4USD	—	Salisbury, MD
45.1	W3PRO	Salisbury W3PRO	145.2800	-0.6	none	D-STAR		—	Salisbury, MD
45.1	W3PRO	Salisbury W3PRO	146.9250	-0.6	TSQL 156.7	FM (analog)		—	Salisbury, MD
45.1	N3MRG	Salisbury N3MRG Interstate	442.6500	+5	CC6	DMR	Interstate	—	Salisbury, MD
45.1	K3RIC	Salisbury K3RIC	444.0500	+5	none	FM (analog) (FM,C4FM)		—	Salisbury, MD
45.1	W3PRO	Salisbury W3PRO	444.2000	+5	none	D-STAR		—	Salisbury, MD
45.4	KG1JAG	Town L0C4T0R KG1JAG BM	446.5000	-5	CC1	DMR	BrandMeister 321925001	—	Town, L0C4T0R, MD
45.5	K3CUJ	Columbia K3CUJ	147.1350	+0.6	TSQL 156.7	FM (analog) (FM,C4FM)		—	Columbia, MD
45.8	N3YMS	Dover Motor N3YMS Interstate	146.7900	-0.6	CC1	DMR	Interstate	—	Dover, DE
45.8	N3IOC	Dover N3IOC	444.5000	-5	TONE 114.8	FM (analog)		—	Dover, DE
46.1	N2MCS Offline	Baltimore N2MCS	442.9000	+5	CC?	DMR		—	Baltimore, MD
46.5	N4FRS	Alexandria N4FRS	1283.2000	-12	TSQL 203.5	FM (analog) (FM,DV)		—	Alexandria, VA
46.5	W3WDC	Washington W3WDC BM	443.0125	+5	CC4	DMR	BrandMeister 312819502	—	Washington, DC
46.5	K3VOA	Silver Spring K3VOA AllStar	447.5750	-5	TONE 77.0	FM (analog)	AllStar 23919	—	Silver Spring, MD
46.6	W3MFP	Wheaton W3MFP BM	442.8875	+5	CC5	DMR	BrandMeister 312428101	—	Wheaton, MD
46.7	K0BMM	Arlington K0BMM BM	447.3125	-5	CC1	DMR	BrandMeister 322315305	—	Arlington, VA
46.7	N3YMS	Eden N3YMS Interstate	441.8875	+5	CC2	DMR	Interstate	—	Eden, MD
46.7	K3OCM	Towson K3OCM K4USD-Net	443.8500	+5	CC6	DMR	K4USD-Net	—	Towson, MD
46.8	W3FT	Towson W3FT EchoLink	146.6700	-0.6	TONE 107.2	FM (analog)	EchoLink 286640	—	Towson, MD
46.8	WR3IRS	Towson WR3IRS Interstat	441.4000	+5	CC1	DMR	Interstate	—	Towson, MD
46.8	N3CDY	Towson N3CDY	449.2750	-5	TONE 107.2	FM (analog) (FM,P25)		—	Towson, MD
46.8	K3CUJ	Columbia K3CUJ WIRES-X	449.4750	-5		Fusion (C4FM)	WIRES-X 30215	—	Columbia, MD
46.9	W3DHS	Towson W3DHS	145.1400	-0.6	TONE 114.8	D-STAR		—	Towson, MD
46.9	W3DHS	Towson W3DHS EchoLink	145.3300	-0.6	TONE 114.8	FM (analog)	EchoLink 217618	—	Towson, MD
46.9	WB3DZO	Towson WB3DZO	147.0300	+0.6	TONE 156.7	FM (analog)		—	Towson, MD
46.9	W3DHS	Towson W3DHS	442.1125	+5	TONE 114.8	D-STAR		—	Towson, MD
47.1	W3KIT	SHARI-UHF W3KIT AllStar	438.2875	simplex	TONE 203.5	FM (analog)	AllStar 547612 AllStar 547619	—	SHARI-UHF Maryland, MD
47.4	WA3KOK	Washington WAMU WA3KOK IRLP	449.9750	-5	TSQL 107.2	FM (analog) (FM,P25)	IRLP 4000	—	Washington, DC
47.5	N3AGB	Ashton N3AGB	53.2500	-1	TSQL 100.0	FM (analog)		—	Ashton, MD
47.5	KC3BXH	Ashton KC3BXH EchoLink	147.0000	-0.6	TONE 156.7	FM (analog) (FM,P25)	EchoLink 105440	—	Ashton, MD
47.5	K3WX	Ashton K3WX	224.5400	-1.6	TONE 156.7	FM (analog)		—	Ashton, MD
47.5	KC3BXH	Ashton KC3BXH	443.1500	+5	TSQL 156.7	FM (analog) (FM,P25)		—	Ashton, MD
47.5	KC3BXH	Ashton KC3BXH IRLP	927.7250	-25	TONE 156.7	FM (analog)	IRLP 4088	—	Ashton, MD
47.6	WB4MJF	Arlington WB4MJF	145.1500	-0.6	TSQL 107.2	FM (analog)		—	Arlington, VA
47.6	W4WVP	Arlington W4WVP	145.4700	-0.6	TONE 107.2	FM (analog)		—	Arlington, VA
47.6	WA4HIS	Arlington WA4HIS	224.0600	-1.6	none	FM (analog)		—	Arlington, VA
47.6	W4CIA	Arlington W4CIA	441.4500	+5	TONE 110.9	FM (analog) (FM,C4FM)		—	Arlington, VA
47.6	AB4YP	Arlington AB4YP	443.2000	+5	TSQL 114.8	FM (analog)		—	Arlington, VA
47.6	K4AF	Arlington K4AF	444.5500	+5	TONE 88.5	FM (analog)		—	Arlington, VA
47.6	W4AVA	Arlington W4AVA	448.6250	-5	TONE 107.2	FM (analog)		—	Arlington, VA
47.6	W4WVP	Arlington W4WVP	449.3250	-5	TONE 151.4	FM (analog)		—	Arlington, VA
47.6	WA4EKJ	Arlington WA4EKJ	224.6200	-1.6	none	FM (analog)		—	Arlington, VA
47.9	K4SVT	Forest K4SVT BM	441.9000	+5	CC1	DMR	BrandMeister 311287801	—	Forest, VA
48.6	K3YGG	Bethesda NIH K3YGG EchoLink	145.2900	-0.6	TONE 156.7	FM (analog)	EchoLink 247014	—	Bethesda, MD
48.8	K3CRK	Smyrna K3CRK	146.6550	-0.6	TONE 156.7	FM (analog)		—	Smyrna, DE
48.8	K3CRK	Smyrna K3CRK	443.0500	+5	TONE 156.7	FM (analog)		—	Smyrna, DE
48.8	WA3KOK	Ashton WA3KOK	444.0500	+5	none	FM (analog) (FM,P25)		—	Ashton, MD
49.0	WA3KOK	Ashton WA3KOK Interstat	442.2375	+5	none	FM (analog) (DMR,FM)	Interstate-Network	—	Ashton, MD
49.0	no call listed	Abingdon Maryland	439.9750	simplex	TONE 107.2	FM (analog)		—	Abingdon, MD
49.0	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
49.0	K2EJ	Abingdon K2EJ AllStar	224.2200	-1.6	TSQL 110.9	FM (analog)	AllStar 51537	—	Abingdon, MD
49.0	K2EJ	Abingdon K2EJ AllStar	439.9750	simplex	TONE 107.2	FM (analog)	AllStar 51587 AllStar 515883	—	Abingdon, MD
49.0	K2EJ	Abingdon K2EJ AllStar	223.4200	simplex	TONE 110.9	FM (analog)	AllStar 51537	—	Abingdon, MD
49.5	WN3S	Bel Air WN3S BM	439.0000	-5	CC1	DMR	BrandMeister 3197267	—	Bel Air, MD
49.8	KA3MRX	Princess Anne KA3MRX	146.6250	-0.6	TONE 156.7	FM (analog)		—	Princess Anne, MD