N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 8, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

Martin J Henderson

FRN 0038373031 · first licensed May 9, 2026 as KF0YJW · 4 licenses on record

📝 FCC Applications (8)

Received	File number	Service	Purpose	Status	Call
Jun 8, 2026	0012071547	HAM	Modification	Granted	W0MJH
Jun 1, 2026	0012063446	HAM	Administrative update	Granted	W0MJH
Jun 1, 2026	0012063028	HAM	Modification	Granted	W0MJH
Jun 1, 2026	0012062618	HAM	Modification	Dismissed	W0MJH
May 18, 2026	0012037821	HAM	Administrative update	Granted	KF0YKA
May 12, 2026	0012032880	HAM	Modification	Granted	KF0YKA
May 11, 2026	0012030257	HAM	Modification	Granted	KF0YJW
May 8, 2026	0012027842	HAM	New license	Granted	KF0YJW

Complete Licensing History

NV0J Active Amateur Extra · vanity Jun 26, 2026 → expires Jun 26, 2036

Licensee
Martin J Henderson

Address
1566 S Gilbert St #500
Iowa City, IA 52240
41.6435, -91.5334 (street) · Grid EN41fp · CQ 4 · ITU 7 · map ↗

FRN
0038373031

Previous call
W0MJH (General)

Last granted
Jun 26, 2026

Effective
Jun 26, 2026

Last action
Jun 26, 2026
FCC actions (2)
- Jun 26, 2026 — Vanity call sign granted VANGRT
- Jun 26, 2026 — License issued LIISS
W0MJH Canceled Amateur Extra · vanity May 30, 2026 → Jun 26, 2026 (canceled)

Licensee
Martin J Henderson

Address
1566 S Gilbert St #500
Iowa City, IA 52240
41.6435, -91.5334 (street) · Grid EN41fp · CQ 4 · ITU 7 · map ↗

FRN
0038373031

Previous call
KF0YKA (General)

Last granted
May 30, 2026

Effective
Jun 2, 2026

Last action
Jun 26, 2026
FCC actions (5)
- Jun 26, 2026 — License canceled LICAN
- Jun 2, 2026 — Administrative update LIAUA
- Jun 1, 2026 — License modified LIMOD
- May 30, 2026 — Vanity call sign granted VANGRT
- May 30, 2026 — License issued LIISS
📦 Moved: Cedar Rapids, IA → Iowa City, IA

KF0YKA Canceled General May 9, 2026 → May 30, 2026 (canceled)

Licensee
Martin J Henderson

Address
1566 S Gilbert St #500
Iowa City, IA 52240
41.6435, -91.5334 (street) · Grid EN41fp · CQ 4 · ITU 7 · map ↗

FRN
0038373031

Previous call
KF0YJW (Technician)

Last granted
May 9, 2026

Effective
May 19, 2026

Last action
May 30, 2026
FCC actions (4)
- May 30, 2026 — License canceled LICAN
- May 19, 2026 — Administrative update LIAUA
- May 11, 2026 — Systematic call sign granted SYSGRT
- May 11, 2026 — License issued LIISS
KF0YJW Canceled General May 9, 2026 → May 11, 2026 (canceled)

Licensee
Martin J Henderson

Address
68 36th Ave SW
Cedar Rapids, IA 52404-4656
41.9230, -91.6885 (ZIP center) · Grid EN41dw · CQ 4 · ITU 7 · map ↗

FRN
0038373031

Last granted
May 9, 2026

Effective
May 11, 2026

Last action
May 11, 2026
FCC actions (3)
- May 11, 2026 — License canceled LICAN
- May 9, 2026 — License issued LIISS
- May 9, 2026 — 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 → Oct 4, 2026 · 6 snapshots · as KF0YKA
Martin J Henderson
1566 S Gilbert St #500, Iowa City, IA 52240
41.6435, -91.5334 (street) · Grid EN41fp · CQ 4 · ITU 7 · map ↗
Seen Sep 27, 2026 → Oct 4, 2026 · 2 snapshots · as KF0YJW
Martin J Henderson
68 36th Ave SW, Cedar Rapids, IA 52404-4656
41.9230, -91.6885 (ZIP center) · Grid EN41dw · CQ 4 · ITU 7 · map ↗

Repeaters within 50 Miles

53 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
0.8	KD0MVJ	Iowa City KD0MVJ BM	443.4750	+5	CC1	DMR	BrandMeister 310182	—	Iowa City, IA
0.8	KD0QQL	Iowa City KD0QQL BM	439.5500	+5	CC12	DMR	BrandMeister 312043	—	Iowa City, IA
1.2	KE0BX	Iowa City KE0BX	145.4700	-0.6	TONE 100.0	FM (analog)		—	Iowa City, IA
1.2	W0JV	Iowa City W0JV	146.8500	-0.6	TONE 192.8	FM (analog)		—	Iowa City, IA
3.6	KD0MVJ	Iowa City JECC KD0MVJ	442.1500	+5	TONE 192.8	FM (analog)		—	Iowa City, IA
3.6	KD0MVJ	Iowa City Joint KD0MVJ	145.2700	-0.6	TONE 192.8	FM (analog)		—	Iowa City, IA
4.8	W0FDA	Coralville W0FDA	147.1500	+0.6	TONE 192.8	FM (analog)		—	Coralville, IA
4.8	K0GH	Coralville K0GH	444.7500	+5	TONE 151.4	FM (analog)		—	Coralville, IA
7.2	W5ADT	North Liberty W5ADT	443.9000	+5	TONE 192.8	FM (analog)		—	North Liberty, IA
19.1	K0LVB	Mount Vernon K0LVB BM	147.2700	+0.6	TSQL 192.8	FM (analog) (C4FM,DMR,FM,P25)	BrandMeister 312699	—	Mount Vernon, IA
22.2	W0GSK	Bertram W0GSK BM	444.1250	+5	CC1	DMR	BrandMeister 3180667	—	Bertram, IA
22.7	K0WLC	Tipton K0WLC BM	444.0750	+5	CC2	DMR	BrandMeister 311958	—	Tipton, IA
23.0	NM0B	Cedar Rapids NM0B BM	434.8400	+5	CC7	DMR	BrandMeister 311457501	—	Cedar Rapids, IA
24.1	W0IY	Cedar Rapids W0IY	927.1125	-25	DCS 432	FM (analog)		—	Cedar Rapids, IA
25.2	W0ARC	Washington W0ARC EchoLink	147.0450	+0.6	TSQL 146.2	FM (analog) (FM,C4FM)	EchoLink 688179 EchoLink 343657 🗓 1 net	1 net	Washington, IA
25.2	W0ARC	Washington W0ARC	443.7000	+5	TSQL 146.2	FM (analog) (FM,C4FM)	🗓 1 net	1 net	Washington, IA
25.8	W0WSV	Cedar Rapids W0WSV	145.1500	-0.6	TONE 192.8	FM (analog)		—	Cedar Rapids, IA
25.8	N0DX	Cedar Rapids N0DX	145.1900	-0.6	TONE 192.8	FM (analog)		—	Cedar Rapids, IA
25.8	W0GQ	Cedar Rapids W0GQ	146.7450	-0.6	TONE 192.8	FM (analog)		—	Cedar Rapids, IA
25.8	W0WSV	Cedar Rapids W0WSV	224.9400	-1.6	TONE 192.8	FM (analog)		—	Cedar Rapids, IA
26.1	W0GQ	Cedar Rapids W0GQ BM	443.6000	+5	CC1	DMR	BrandMeister 311938	—	Cedar Rapids, IA
28.4	K0LVB	Cedar Rapids K0LVB BM	444.8250	+5	TSQL 192.8	FM (analog) (C4FM,DMR,FM,P25)	BrandMeister 311471	—	Cedar Rapids, IA
28.6	AC0EC	Muscatine AC0EC	444.0750	+5	CC2	DMR	🗓 1 net	1 net	Muscatine, IA
29.5	AC0EC	Muscatine MCC AC0EC BM	444.1250	+5	CC2	DMR	BrandMeister 311405 🗓 1 net	1 net	Muscatine, IA
29.6	W0PCD	Muscatine W0PCD AllStar	433.7000	simplex	TONE 192.8	FM (analog)	AllStar 51193	—	Muscatine, IA
29.8	KC0AQS	Muscatine MCC KC0AQS AllStar	146.9100	-0.6	TSQL 192.8	FM (analog) (C4FM,FM)	EchoLink 52761 AllStar 51631 🗓 2 nets	2 nets · 13 check-ins · 13 stations	Muscatine, IA
29.8	W0PCD	Muscatine W0PCD BM	446.2500	-5	CC1	DMR	BrandMeister 3105989	—	Muscatine, IA
30.3	N0MA	Cedar Rapids N0MA AllStar	443.8000	+5	TONE 192.8	FM (analog)	AllStar 42186	—	Cedar Rapids, IA
30.4	KE0KKD	Luzerne KE0KKD	444.4000	+5	TONE 192.8	FM (analog)		—	Luzerne, IA
31.4	K0LVB	Marion K0LVB BM	146.6850	-0.6	TSQL 192.8	FM (analog) (C4FM,DMR,FM,P25)	BrandMeister 311494	—	Marion, IA
34.2	AC0EC	Wapello Sheriff' AC0EC EchoLink	146.9850	-0.6	TSQL 192.8	FM (analog)	EchoLink 762547 🗓 1 net	1 net	Wapello, IA
34.6	W0CWP	Anamosa W0CWP	145.3900	-0.6	TONE 77.0	FM (analog)		—	Anamosa, IA
34.8	K7PEM	Anamosa K7PEM BM	444.6375	+5	CC1	DMR	BrandMeister 311922	—	Anamosa, IA
38.1	N0LGM	Wheatland N0LGM	146.7300	-0.6	TSQL 94.8	FM (analog) (FM,C4FM)		—	Wheatland, IA
38.7	NM5PB	Central City NM5PB AllStar	442.9500	+5	DCS 612	FM (analog) (FM,C4FM)	AllStar 526790 EchoLink 293882	—	Central City, IA
39.7	K0TSK	Victor K0TSK BM	444.9500	+5	CC1	DMR	BrandMeister 311920	—	Victor, IA
44.1	WB0VHB	Mount Pleasant WB0VHB BM	444.5250	+5	CC1	DMR	BrandMeister 3119112 BrandMeister 311417 BrandMeister 311901	—	Mount Pleasant, IA
44.1	KE0IHD	Mount Pleasant KE0IHD BM	443.6250	+5	CC1	DMR	BrandMeister 311619	—	Mount Pleasant, IA
46.4	WB0VHB	Mount Pleasant WB0VHB	147.1650	+0.6	TSQL 156.7	FM (analog)		—	Mount Pleasant, IA
46.4	KE0IHD	Mount Pleasant KE0IHD AllStar	444.7750	+5	TONE 100.0	FM (analog)	AllStar 58477 EchoLink 363310	—	Mount Pleasant, IA
46.4	KE0IHD	Mount Pleasant KE0IHD BM	147.2250	+0.6	TONE 146.2	FM (analog) (DMR,FM)	BrandMeister 314572	—	Mount Pleasant, IA
46.7	KD0DKS	Garrison KD0DKS EchoLink	145.2300	-0.6	TONE 141.3	FM (analog)	EchoLink 156410	—	Garrison, IA
46.8	W0MME	Mount Pleasant W0MME	147.3900	+0.6	none	FM (analog)		—	Mount Pleasant, IA
47.5	K0TSK	Brooklyn K0TSK	442.6500	+5	none	FM (analog)		—	Brooklyn, IA
47.8	N0GES	Mediapolis N0GES	444.1000	+5	TSQL 146.2	FM (analog) (FM,C4FM)		—	Mediapolis, IA
49.1	W0BXR	Eldridge River W0BXR	146.8800	-0.6	TSQL 77.0	FM (analog) (C4FM,FM)	🗓 2 nets	2 nets · 21 check-ins · 14 stations	Eldridge, IA
49.7	W0BXR	Davenport SAU W0BXR WIRES-X	146.9400	-0.6	DG-ID 00-00	Fusion (C4FM)	WIRES-X 33765 🗓 2 nets	2 nets · 21 check-ins · 14 stations	Davenport, IA
4.0	K0GH Offline	Iowa City K0GH BM	443.7750	+5	CC1	DMR	BrandMeister 311925	—	Iowa City, IA
25.8	W0WSV Offline	Cedar Rapids W0WSV	147.0900	+0.6	TONE 192.8	FM (analog)		—	Cedar Rapids, IA
25.9	N0MRZ Offline	Wilton N0MRZ BM	444.0750	+5	CC2	DMR	BrandMeister 312856	—	Wilton, IA
29.4	KT0TT Offline	Muscatine W Hl KT0TT AllStar	446.2000	simplex	TONE 100.0	FM (analog)	AllStar 50377 AllStar 503770	—	Muscatine, IA
39.6	NO3R Offline	Vinton NO3R BM	442.0000	+5	CC1	DMR	BrandMeister 311904	—	Vinton, IA
47.9	N0GES Offline	Mediapolis N0GES EchoLink	443.1000	+5	TSQL 151.4	FM (analog)	EchoLink 235168	—	Mediapolis, IA

Vanity Applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Jun 8, 2026 Granted Jun 26, 2026 0012071547	W0MJH · Martin J Henderson · Amateur Extra 1566 S Gilbert St #500, Iowa City, IA 52240 41.6435, -91.5334 (street) · Grid EN41fp · CQ 4 · ITU 7 · map ↗	1.N9CR Held by Wyatt J Cooper until Jun 13, 2036 2.NV0J ✓ Granted 3.KK0F Held by Devin M Grush until Jun 26, 2036 4.WU0Y Held by William F McIlwee III until Sep 18, 2036 5.WC0V Held by David Sonnie until Aug 18, 2036 6.NG0F Available 7.NF0P Available 8.NF0E Held by Steven Metcalf until Jul 14, 2036 9.NB0E Held by Chad A Ver Steeg until Sep 22, 2036 10.KW0Y Held by Kelli A Glorso-McCabe until Jul 31, 2036 11.WQ0V Available 12.AG0U Held by Mark W Fleischer until Jun 27, 2036 13.AF0J Held by LANCE K FUNN until Aug 21, 2036 14.NK90 Never issued 15.NE90 Never issued 16.NU1Z Available 17.NX6B Held by Nathan G Byrd until Sep 18, 2036 18.N05A Never issued 19.N3HN Held by Jingrui Zhong until Jul 7, 2036 20.WT8B Held by Richard J Massien until Sep 22, 2036 21.KJ7X Held by Ryegate Radio Club until Jun 19, 2036 22.NI8P Available 23.N2MQ Held by Matthew L Quimby until Sep 29, 2036 24.NV6L Available 25.WK0R Available	Granted got NV0J
Filed Jun 1, 2026 Award date was Jun 19, 2026 0012062618	W0MJH · Martin J Henderson · General 1566 S Gilbert St #500, Iowa City, IA 52240 41.6435, -91.5334 (street) · Grid EN41fp · CQ 4 · ITU 7 · map ↗	1.KJ7X Held by Ryegate Radio Club until Jun 19, 2036 2.W0JC Held by Jeffrey D Carlyle until Jun 23, 2036 3.AG7B Held by Aarav Garg until Jul 7, 2036 4.AK8Q Held by Emilio Morales until Jul 28, 2036 5.KB8L Held by Riad Ghabra until Sep 22, 2036 6.KN4H Held by Buck R Kruszewski SR until Jun 19, 2036 7.KO4H Held by Louis Gerlinger Jr until Jun 19, 2036 8.KT6O Held by Carl Cole until Jul 7, 2036 9.KT8J Held by Troy N Thomas until Jun 19, 2036 10.NJ5Y Held by Jeremy Nieminen until Jun 19, 2036 11.WK5Y Held by RANDALL J WOOD until Jun 23, 2036	Dismissed
Filed May 12, 2026 Granted May 30, 2026 0012032880	KF0YKA · Martin J Henderson · General 68 36th Ave SW, Cedar Rapids, IA 52404-4656 41.9230, -91.6885 (ZIP center) · Grid EN41dw · CQ 4 · ITU 7 · map ↗	1.W0MJH ✓ Granted 2.N3MJH Available 3.K2MJH Available 4.N0MJH Available 5.N9MJH Available	Granted got W0MJH