N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 12, 2026) · next update today 8:30 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)

GREG R ALTIG

FRN 0002219558 · first licensed Jun 8, 1999 as N5OKR · 2 licenses on record

📝 FCC Applications (5)

Received	File number	Service	Purpose	Status	Call
May 7, 2020	0009070682	HAM	Renewal	Granted	NK3R
Feb 16, 2017	0007664125	HAM	Administrative update	Granted	NK3R
Mar 1, 2010	0004141017	HAM	Renewal + modification	Granted	NK3R
Apr 24, 2000	0000114562	HAM	Modification	Granted	N5OKR
Apr 17, 2000	0000109321	HAM	Modification	Granted	N5OKR

Complete Licensing History

📦 Moved: Keymar, MD → Lexington Park, MD

NK3R Active Amateur Extra · vanity May 12, 2000 → expires May 12, 2030

Licensee
GREG R ALTIG

Address
Attn: Greg Altig
23175 Mirfield Ln
Lexington Park, MD 20653
38.3044, -76.4881 (street) · Grid FM18sh · CQ 5 · ITU 8 · map ↗

FRN
0002219558

Previous call
N5OKR (Advanced)

Last granted
May 8, 2020

Effective
May 8, 2020

Last action
May 8, 2020
FCC actions (4)
- May 8, 2020 — License renewed LIREN
- Feb 17, 2017 — Administrative update LIAUA
- Mar 3, 2010 — License renewed LIREN
- May 12, 2000 — License issued LIISS
N5OKR Canceled Amateur Extra Jun 8, 1999 → May 12, 2000 (canceled)

Licensee
GREG R ALTIG

Address
1610 FRANCIS SCOTT KEY HWY
KEYMAR, MD 21757-9324
39.5939, -77.2581 (ZIP center) · Grid FM19io · CQ 5 · ITU 8 · map ↗

FRN
0002219558

Last granted
Jun 8, 1999

Effective
Apr 18, 2000

Last action
May 12, 2000
FCC actions (2)
- May 12, 2000 — License canceled LICAN
- Apr 18, 2000 — License modified LIMOD

Address history

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

Seen May 12, 2017 → Oct 11, 2026 · 22 snapshots · as NK3R
GREG R ALTIG
Attn: Greg Altig
23175 Mirfield Ln, Lexington Park, MD 20653
38.3044, -76.4881 (street) · Grid FM18sh · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 11, 2026 · 50 snapshots · as N5OKR
GREG R ALTIG
1610 FRANCIS SCOTT KEY HWY, KEYMAR, MD 21757-9324
39.5939, -77.2581 (ZIP center) · Grid FM19io · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Feb 15, 2017 · 26 snapshots · as NK3R
GREG R ALTIG
Booz Allen Unit 61328, APO, AE 09803-1328

Repeaters within 50 Miles

96 repeaters within 50 miles of this address, 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 · 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
42.3	W3VPR	Davidsonville W3VPR	147.1050	+0.6	TONE 107.2	FM (analog)	🗓 5 nets	5 nets · 688 check-ins · 85 stations	Davidsonville, MD
42.3	W3VPR	Davidsonville W3VPR	223.8800	-1.6	TONE 107.2	FM (analog)	🗓 5 nets	5 nets · 688 check-ins · 85 stations	Davidsonville, MD
42.3	W3VPR	Davidsonville W3VPR	444.4000	+5	TSQL 107.2	FM (analog)	🗓 5 nets	5 nets · 688 check-ins · 85 stations	Davidsonville, MD
49.2	W3VPR	Crownsville W3VPR EchoLink	147.0750	+0.6	TSQL 107.2	FM (analog)	EchoLink 524902 🗓 5 nets	5 nets · 688 check-ins · 85 stations	Crownsville, MD
8.6	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
47.7	N3JLT	Alexandria N3JLT Interstate	443.1000	+5	CC1	DMR	Interstate 🗓 1 net	1 net · 89 check-ins · 45 stations	Alexandria, VA
44.2	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
45.9	W4HFH	Alexandria W4HFH DMRVA	442.4125	+5	CC1	DMR	DMRVA 🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
45.9	W4HFH	Alexandria W4HFH	927.6000	-25	TSQL 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
48.9	W4HFH	Alexandria W4HFH	145.3800	-0.6	none	D-STAR	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
48.9	W4HFH	Alexandria Hosp W4HFH	442.0600	+5	none	D-STAR	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
48.9	W4HFH	Alexandria Hosp W4HFH	1284.6000	-12	none	D-STAR	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
49.3	W4HFH	Alexandria W4HFH	53.1300	-1	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
49.3	W4HFH	Alexandria W4HFH	147.3150	+0.6	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
49.3	W4HFH	Alexandria W4HFH	224.8200	-1.6	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
49.3	W4HFH	Alexandria W4HFH	444.6000	+5	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
49.3	W4HFH	Alexandria W4HFH	1282.6000	-12	TONE 107.2	FM (analog)	🗓 1 net	1 net · 49 check-ins · 22 stations	Alexandria, VA
16.8	N3PX	Mechanicsville N3PX	147.1950	+0.6	TSQL 156.7	FM (analog)	🗓 1 net	1 net · 42 check-ins · 13 stations	Mechanicsville, MD
6.8	KC3FOQ	Leonardtown Fair KC3FOQ	443.3000	+5	TONE 123.0	FM (analog) (FM,C4FM)	🗓 2 nets	2 nets · 19 check-ins · 13 stations	Leonardtown, MD
6.8	KC3FOQ	Leonardtown Fair KC3FOQ	147.3900	+0.6	TONE 146.2	FM (analog) (FM,C4FM)	🗓 2 nets	2 nets · 19 check-ins · 13 stations	Leonardtown, MD
5.9	K3CAL	Lusby Appeal K3CAL EchoLink	444.9500	+5	TSQL 156.7	FM (analog) (FM,C4FM)	EchoLink 389207 🗓 1 net	1 net	Lusby, MD
26.2	K3CAL	Sunderland K3CAL EchoLink	146.9850	-0.6	TONE 156.7	FM (analog) (FM,C4FM)	EchoLink 389207 🗓 1 net	1 net	Sunderland, MD
1.6	KB2SKP	Lexington Park KB2SKP WIRES-X	445.2500	-5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 74906	—	Lexington Park, MD
2.1	K3GGM	Hollywood K3GGM BM	446.5000	-5	CC1	DMR	BrandMeister 3211901	—	Hollywood, MD
3.8	W1JD	Mechanicsville W1JD BM	439.8750	-5	CC8	DMR	BrandMeister 3124132	—	Mechanicsville, MD
5.7	N3PPH	Hollywood Fire N3PPH	145.3500	-0.6	TONE 156.7	FM (analog)		—	Hollywood, MD
5.7	KB3FWW Offline	Hollywood KB3FWW IRLP	449.4900	simplex	TSQL 146.2	FM (analog)	IRLP 8856	—	Hollywood, MD
5.9	W3BPT	Hollywood W3BPT Interstate	146.8500	-0.6	CC1	DMR	Interstate-3	—	Hollywood, MD
8.6	KB2SKP	Lexington Park KB2SKP BM	446.0125	in 433.0125	CC1	DMR	BrandMeister 314491901	—	Lexington Park, MD
10.1	N3PPH	Mechanicsville N3PPH Interstate	441.7875	+5	CC1	DMR	Interstate-2	—	Mechanicsville, MD
16.5	N3KUN	Chaptico N3KUN	145.2500	-0.6	TONE 110.9	FM (analog)		—	Chaptico, MD
16.8	N3PPH	Prince Frederick N3PPH Interstate	441.3875	+5	CC1	DMR	Interstate-3	—	Prince Frederick, MD
16.8	W3SMD	Barstow W3SMD AllStar	223.9000	-1.6	TONE 186.2	FM (analog)	AllStar 513100	—	Barstow, MD
16.9	N3FI	Barstow N3FI	443.7000	+5	TSQL 179.9	FM (analog) (FM,C4FM)		—	Barstow, MD
18.6	W3PQS	Prince Frederick W3PQS	53.1700	-1	TSQL 100.0	FM (analog)		—	Prince Frederick, MD
19.6	K3OCM	Charlotte Hall K3OCM K4USD-Net	443.1875	+5	CC6	DMR	K4USD-Net	—	Charlotte Hall, MD
21.4	K6XH	Callao K6XH BM	443.0875	+5	CC1	DMR	BrandMeister 314364	—	Callao, VA
22.3	WG3K	Chesapeake Beach WG3K BM	444.3500	+5	none	D-STAR (DMR,DV)	BrandMeister 312393	—	Chesapeake Beach, MD
23.2	N3LHD	Aquasco N3LHD Interstate	442.4625	+5	CC1	DMR	Interstate-c-Bridge-1	—	Aquasco, MD
25.3	KF4AH	Montross KF4AH	146.8950	-0.6	TSQL 110.9	FM (analog)		—	Montross, VA
26.2	N3PPH	Sunderland Mt N3PPH Interstate	441.6375	+5	CC1	DMR	Interstate-2	—	Sunderland, MD
26.9	W4NNK	Heathsville W4NNK	147.3300	+0.6	TONE 100.0	FM (analog)		—	Heathsville, VA
27.5	WX4EMC Offline	Heathsville WCNV WX4EMC DMRVA	442.7000	+5	CC1	DMR	DMRVA	—	Heathsville, VA
28.4	N3PZZ	Dahlgren Potomac N3PZZ	145.2500	-0.6	TONE 88.5	FM (analog)		—	Dahlgren, VA
29.8	N3PZZ	King George Dahl N3PZZ	145.3300	-0.6	TONE 88.5	FM (analog)		—	King George, VA
32.4	K3EMD	Easton K3EMD WIRES-X	147.0450	+0.6	TSQL 156.7	FM (analog)	WIRES-X 43142	—	Easton, MD
32.5	KC8VFN	King George Locu KC8VFN	146.7750	-0.6	TSQL 110.9	FM (analog)		—	King George, VA
33.4	WA3YUV	Brandywine WA3YUV	443.6000	+5	TSQL 103.5	FM (analog) (FM,C4FM)		—	Brandywine, MD
34.2	N3YMS	Trappe N3YMS Interstate	442.5375	+5	CC1	DMR	Interstate	—	Trappe, MD
34.5	W3SMR	Brandywine W3SMR	147.1500	+0.6	TSQL 114.8	FM (analog)		—	Brandywine, MD
34.6	N3MRG	Tyaskin Muddy N3MRG	146.8650	-0.6	CC1	DMR		—	Tyaskin, MD
38.5	W4KGC	King George W4KGC	146.7450	-0.6	TSQL 107.2	FM (analog)		—	King George, VA
38.5	K4GVA	King George K4GVA	448.4750	-5	TONE 79.7	FM (analog)		—	King George, VA
39.1	K3EMD	Easton URM Ctr K3EMD WIRES-X	442.2000	+5	TSQL 156.7	FM (analog) (FM,C4FM)	WIRES-X 33142	—	Easton, MD
40.1	KC3BFB	Fort KC3BFB	146.7150	-0.6	TONE 110.9	FM (analog)		—	Fort Washington, MD
40.5	W4NNK	Kilmarnock W4NNK	146.8350	-0.6	TONE 100.0	FM (analog)		—	Kilmarnock, VA
40.6	W3OR	Crisfield McCrea W3OR	145.1300	-0.6	CC1	DMR		—	Crisfield, MD
41.0	N3RKT	Crisfield N3RKT WIRES-X	145.1100	-0.6	TSQL 156.7	FM (analog) (FM,C4FM)	WIRES-X 30213	—	Crisfield, MD
41.3	KC3DVC	Crisfield KC3DVC Interstat	145.1300	-0.6	CC1	DMR	Interstate	—	Crisfield, MD
41.4	W4GSF	Kilmarnock Fire W4GSF	145.4500	-0.6	none	FM (analog)		—	Kilmarnock, VA
41.5	W4GSF	Kilmarnock W4GSF	146.8350	-0.6	TONE 173.8	FM (analog)		—	Kilmarnock, VA
43.0	K3DRC	Salisbury WMDT K3DRC	146.8200	-0.6	TSQL 156.7	FM (analog)		—	Salisbury, MD
43.7	KA3MRX	Princess Anne KA3MRX	146.6250	-0.6	TONE 156.7	FM (analog)		—	Princess Anne, MD
43.8	W4ATN	Largo W4ATN MARC	443.7875	+5	CC3	DMR	DMR-MARC	—	Largo, MD
43.9	N3LHD	Upper Marlboro N3LHD Interstate	444.6500	+5	CC6	DMR	Interstate-c-Bridge-1	—	Upper Marlboro, MD
44.2	W3OR	Westover W3OR	145.3200	-0.6	none	FM (analog)		—	Westover, MD
45.1	N3YMS	Eden N3YMS Interstate	441.8875	+5	CC2	DMR	Interstate	—	Eden, MD
45.9	N4FRS	Alexandria N4FRS	449.3750	-5	TONE 203.5	FM (analog) (FM,DV)		—	Alexandria, VA
45.9	K4MMJ	Fredericksb FMl8 K4MMJ BM	433.1000	+5	CC1	DMR	BrandMeister 317511602	—	Fredericksburg, FMl8, VA
46.3	N4FRS	Alexandria N4FRS	1283.2000	-12	TSQL 203.5	FM (analog) (FM,DV)		—	Alexandria, VA
46.7	K4US	Alexandria GW K4US	146.6550	-0.6	TSQL 141.3	FM (analog) (C4FM,FM)		—	Alexandria, VA
46.8	W3HAC	Washington W3HAC	444.1625	+5	CC0	DMR		—	Washington, DC
46.9	KB3CMA	Annapolis Broad KB3CMA Interstat	441.8375	+5	CC1	DMR	Interstate-3	—	Annapolis, MD
46.9	KB3CMA	Annapolis Broad KB3CMA	442.3000	+5	TSQL 107.2	FM (analog) (C4FM,FM)		—	Annapolis, MD
47.2	N3KNT	Federalsburg N3KNT Interstate	442.0500	+5	CC1	DMR	Interstate-2-Network	—	Federalsburg, MD
47.5	WD4HRO	Woodbridge WD4HRO	1293.0000	-20	none	D-STAR		—	Woodbridge, VA
47.9	KA4DCS	Woodbridge Potom KA4DCS	444.8500	+5	none	FM (analog)		—	Woodbridge, VA
48.0	W7DQ Offline	Widewater W7DQ IRLP	446.9250	simplex	TSQL 107.2	FM (analog)	IRLP 3510	—	Widewater, VA
48.3	W3PRO	Salisbury W3PRO	145.2800	-0.6	none	D-STAR		—	Salisbury, MD
48.3	W3PRO	Salisbury W3PRO	146.9250	-0.6	TSQL 156.7	FM (analog)		—	Salisbury, MD
48.3	N3MRG	Salisbury N3MRG Interstate	442.6500	+5	CC6	DMR	Interstate	—	Salisbury, MD
48.3	K3RIC	Salisbury K3RIC	444.0500	+5	none	FM (analog) (FM,C4FM)		—	Salisbury, MD
48.3	W3PRO	Salisbury W3PRO	444.2000	+5	none	D-STAR		—	Salisbury, MD
48.5	W3NAB	Washington W3NAB AllStar	442.7000	+5	TONE 103.5	FM (analog)	AllStar 53645	—	Washington, DC
48.9	WA3RF	Cheverly WA3RF AllStar	441.0000	+5	TONE 173.8	FM (analog)	AllStar 57512	—	Cheverly, MD
49.1	K3OCM	Salisbury K3OCM K4USD	442.6500	+5	CC6	DMR	K4USD	—	Salisbury, MD
49.2	W3GAB	Stevensville W3GAB BM	433.8000	+5	CC1	DMR	BrandMeister 321788101	—	Stevensville, MD
49.3	N8HM	Arlington N8HM BM	438.4500	-5	CC1	DMR	BrandMeister 311101701	—	Arlington, VA
49.3	K3VOA	Washington Wilbu K3VOA AllStar	147.0450	+0.6	TSQL 77.0	FM (analog)	AllStar 23918	—	Washington, DC
49.3	K3VOA Offline	Washington Wilbu K3VOA	448.5750	-5	TSQL 77.0	FM (analog)		—	Washington, DC
49.3	K3WS	Washington K3WS AllStar	443.3750	-5	TONE 123.0	FM (analog)	AllStar 27701	—	Washington, DC
49.3	K3WS	Washington K3WS AllStar	447.3750	-5	TONE 123.0	FM (analog)	AllStar 27701	—	Washington, DC
49.4	W4TTL	Walkerton W4TTL	146.7150	-0.6	none	FM (analog)		—	Walkerton, VA
49.5	K0BMM	Arlington K0BMM BM	447.3125	-5	CC1	DMR	BrandMeister 322315305	—	Arlington, VA
49.8	AE4ML	Bowling Gre SRMC AE4ML	442.5750	+5	TSQL 79.7	FM (analog) (DMR,FM,P25)		—	Bowling Green, VA
49.9	K4SVT	Forest K4SVT BM	441.9000	+5	CC1	DMR	BrandMeister 311287801	—	Forest, VA

Vanity Applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Apr 24, 2000 Granted May 8, 2020 0000114562	N5OKR · GREG R ALTIG · Amateur Extra 1610 FRANCIS SCOTT KEY HWY, KEYMAR, MD 21757-9324 39.5939, -77.2581 (ZIP center) · Grid FM19io · CQ 5 · ITU 8 · map ↗	1.NK3R ✓ Granted 2.NM3M Held by Chris R Swartzwelder until Aug 15, 2030 3.WW3Y Held by STEVE T LARSON until Jun 30, 2030 4.NN3T Held by Taylor Peterson until Jul 31, 2032 5.NR3R Held by Larry A Miller until Jan 7, 2033 6.NN3W Held by RICHARD F DI DONNA until Jul 13, 2034 7.WU3U Held by Curtis L McCormick until Sep 6, 2029 8.WO3S Held by ERIC A PETRY until May 7, 2033 9.WO3D Held by Scott T Woody until Aug 23, 2025 10.AK3B Held by CHRISTOPHER L MADAIRY until Jun 4, 2029 11.KV3A Held by David A Hardinger until Jun 23, 2030 12.KU3K 13.NK3E Held by Astro American Radio Guild until Nov 3, 2031 14.NK3P Held by JOHN P CANCRO until Feb 19, 2030 15.NK3W Held by Jed P Woelfle until Mar 18, 2028 16.NK3X Held by DAVID M RITZ until May 25, 2032 17.AJ3D Held by Anthony J DeSantis until Apr 10, 2032 18.AJ3G Held by Richard J Miler II until Oct 9, 2034 19.AJ3U Held by Patrick M Kelly until Jun 22, 2034 20.AG3B Held by THOMAS R VANASCO until Mar 16, 2030 21.AG3U Held by Robert C Worek until Sep 6, 2036	Granted got NK3R