N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 5, 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

MARTIN J MAYFIELD

FRN 0001828383 · first licensed Mar 15, 2005 as KK5OB · 1 license on record

📝 FCC applications (8)

Received	File number	Service	Purpose	Status	Call
Apr 2, 2025	0011511444	HAM	Renewal	Granted	KK5OB
Jul 24, 2020	0009162511	HAM	Administrative update	Granted	KK5OB
Apr 13, 2015	0006751465	HAM	Administrative update	Granted	KK5OB
Mar 16, 2015	0006709765	HAM	Renewal	Granted	KK5OB
Mar 16, 2012	0005120733	HAM	Administrative update	Granted	KK5OB
Aug 13, 2010	0004353168	HAM	Administrative update	Granted	KK5OB
Jun 28, 2007	0003093130	HAM	Administrative update	Granted	KK5OB
Mar 14, 2005	0002084852	HAM	Renewal	Granted	KK5OB

Complete licensing history

KK5OB Active Advanced Mar 15, 2005 → expires May 12, 2035

Licensee
MARTIN J MAYFIELD

Address
403 Rio Grande Ave
RATON, NM 87740
36.9004, -104.4428 (street) · Grid DM76sv · CQ 4 · ITU 7 · map ↗

FRN
0001828383

Previous call
N5JDV (General)

Last granted
Apr 8, 2025

Effective
Apr 8, 2025

Last action
Apr 8, 2025
FCC actions (8)
- Apr 8, 2025 — License renewed LIREN
- Jul 25, 2020 — Administrative update LIAUA
- Apr 14, 2015 — Administrative update LIAUA
- Mar 17, 2015 — License renewed LIREN
- Mar 17, 2012 — Administrative update LIAUA
- Aug 13, 2010 — Administrative update LIAUA
- Jun 29, 2007 — Administrative update LIAUA
- Mar 15, 2005 — License renewed LIREN

Address history

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

Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as KK5OB
MARTIN J MAYFIELD
403 Rio Grande Ave, RATON, NM 87740
36.9004, -104.4428 (street) · Grid DM76sv · CQ 4 · ITU 7 · map ↗
Seen May 28, 2012 → May 6, 2019 · 31 snapshots · as KK5OB
MARTIN J MAYFIELD
304 S 4th st, RATON, NM 87740
36.7671, -104.3639 (ZIP center) · Grid DM76ts · CQ 4 · ITU 7 · map ↗
Seen Oct 17, 2011 → Nov 10, 2011 · 2 snapshots · as KK5OB
MARTIN J MAYFIELD
1000 N 1ST ST, RATON, NM 87740
36.7671, -104.3639 (ZIP center) · Grid DM76ts · CQ 4 · ITU 7 · map ↗
Seen May 27, 2010 · 1 snapshot · as KK5OB
MARTIN J MAYFIELD
136 E Highland Ave, RATON, NM 87740
36.7671, -104.3639 (ZIP center) · Grid DM76ts · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KK5OB
MARTIN J MAYFIELD
265 IRON AVE, RATON, NM 87740
36.7671, -104.3639 (ZIP center) · Grid DM76ts · CQ 4 · ITU 7 · map ↗

Repeaters within 50 miles

18 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
1.0	KK5OB	Raton KK5OB BM	433.8000	+5	CC1	DMR	BrandMeister 310065004	—	Raton, NM
6.6	KD0RDI	Trinidad Raton KD0RDI	446.7750	-5	none	D-STAR		—	Trinidad, CO
6.6	WA6IFI	Trinidad Raton WA6IFI	927.8750	in 902.0250	none	P25		—	Trinidad, CO
6.8	KC0CVU	Trinidad Raton KC0CVU AllStar	145.4300	-0.6	TONE 107.2	FM (analog)	AllStar 53767 🗓 1 net	1 net · 35 check-ins · 21 stations	Trinidad, CO
9.9	N0DRC	Raton N0DRC	145.4900	-0.6	TONE 100.0	FM (analog)		—	Raton, NM
13.2	K6TDX	Trinidad K6TDX WIRES-X	449.8250	-5	none	FM (analog)	WIRES-X 80209	—	Trinidad, CO
15.1	N5GDR	Maxwell ET Mtn N5GDR AllStar	145.2100	-0.6	TSQL 110.9	FM (analog)	AllStar 46298	—	Maxwell, NM
18.9	KC0CVU	Trinidad Raton KC0CVU	449.6000	-5	TONE 107.2	FM (analog)	🗓 1 net	1 net · 35 check-ins · 21 stations	Trinidad, CO
18.9	KG5JL	Trinidad Raton KG5JL	447.3750	-5	TONE 100.0	FM (analog) (FM,C4FM)		—	Trinidad, CO
35.0	NM5EM	Des Moines Sierr NM5EM	147.1750	+0.6	TONE 141.3	FM (analog)		—	Des Moines, NM
38.5	KD0SBN Listed as KD0SBN-WST	Weston KD0SBN AllStar	145.3550	-0.6	TSQL 107.2	FM (analog) (C4FM,FM)	AllStar 579470 WIRES-X 65045	—	Weston, CO
44.2	N0ZSN	La Veta Cordova N0ZSN	449.7500	-5	TSQL 100.0	FM (analog)		—	La Veta, CO
48.9	W0ECV	Cuchara W0ECV AllStar	446.0250	simplex	TONE 100.0	FM (analog)	AllStar 510146	—	Cuchara, CO
48.9	W0ECV	Portable W0ECV AllStar	446.2250	simplex	TONE 100.0	FM (analog)	AllStar 510147	—	Portable, CO
48.9	W0ECV	Cuchara W0ECV AllStar	445.4450	simplex	TONE 100.0	FM (analog)	AllStar 510143	—	Cuchara, CO
49.3	NM5ML	Eagle Nest Iron NM5ML	444.3500	+5	TONE 100.0	FM (analog)		—	Eagle Nest, NM
47.4	NM5EM offline	Eagle Nest Touch NM5EM	147.0400	+0.6	TONE 141.3	FM (analog)		—	Eagle Nest, NM
48.9	KF5PFO offline	Red River Valle KF5PFO	145.2500	-0.6	TONE 123.0	FM (analog)		—	Red River, NM