N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 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

K0GBM HAM

✅ Available for a vanity request — free since May 23, 2011.

1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it. No pending applications list it.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since May 23, 2011

Previous holder: Gregory B Martz

Held K0GBM Jun 2, 2007 → May 22, 2009 · first licensed May 9, 2007 as KE7NFE · 3 licenses · FRN 0009375890

📦 Moved: Duvall, WA → Carnation, WA

W7GBM Active General · vanity May 22, 2009 → expires May 22, 2029

Licensee
Gregory B Martz

Address
10820 322nd Ave NE
Carnation, WA 98014
47.6946, -121.9085 (street) · Grid CN97bq · CQ 3 · ITU 6 · map ↗

FRN
0009375890

Previous call
K0GBM (Technician)

Last granted
Apr 12, 2019

Effective
Dec 2, 2022

Last action
Dec 2, 2022
FCC actions (5)
- Dec 2, 2022 — Administrative update LIAUA
- Apr 12, 2019 — License renewed LIREN
- Dec 31, 2015 — Administrative update LIAUA
- May 22, 2009 — Vanity call sign granted VANGRT
- May 22, 2009 — License issued LIISS
📦 Moved: Redmond, WA → Duvall, WA

K0GBM Canceled General · vanity Jun 2, 2007 → May 22, 2009 (canceled)

Licensee
Gregory B Martz

Address
32718 NE 147th St
Duvall, WA 98019-6717
47.7370, -121.9342 (ZIP center) · Grid CN97ar · CQ 3 · ITU 6 · map ↗

FRN
0009375890

Previous call
KE7NFE (Technician)

Last granted
Jun 2, 2007

Effective
Nov 7, 2008

Last action
May 22, 2009
FCC actions (4)
- May 22, 2009 — License canceled LICAN
- Nov 7, 2008 — Administrative update LIAUA
- Jun 2, 2007 — Vanity call sign granted VANGRT
- Jun 2, 2007 — License issued LIISS
KE7NFE Canceled General May 9, 2007 → Jun 2, 2007 (canceled)

Licensee
Gregory B Martz

Address
16110 NE 107th Ct
Redmond, WA 98052-2673
47.6823, -122.1205 (ZIP center) · Grid CN87wq · CQ 3 · ITU 6 · map ↗

FRN
0009375890

Last granted
May 9, 2007

Effective
Jun 1, 2007

Last action
Jun 2, 2007
FCC actions (4)
- Jun 2, 2007 — License canceled LICAN
- Jun 1, 2007 — License modified LIMOD
- May 9, 2007 — License issued LIISS
- May 9, 2007 — 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 Apr 27, 2024 → Oct 4, 2026 · 12 snapshots · as W7GBM
Gregory B Martz
10820 322nd Ave NE, Carnation, WA 98014
47.6946, -121.9085 (street) · Grid CN97bq · CQ 3 · ITU 6 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 47 snapshots · as KE7NFE
Gregory B Martz
16110 NE 107th Ct, Redmond, WA 98052-2673
47.6823, -122.1205 (ZIP center) · Grid CN87wq · CQ 3 · ITU 6 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 64 snapshots · as K0GBM
Gregory B Martz
32718 NE 147th St, Duvall, WA 98019-6717
47.7370, -121.9342 (ZIP center) · Grid CN97ar · CQ 3 · ITU 6 · map ↗
Seen Jan 14, 2016 → Apr 16, 2022 · 18 snapshots · as W7GBM
Gregory B Martz
660 Wildwood Blvd SW APT A13, Issaquah, WA 98027-4107
47.5140, -121.9935 (ZIP center) · Grid CN97am · CQ 3 · ITU 6 · map ↗

Others requesting K0GBM

4 applications listed K0GBM as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Nov 26, 2024	Dec 14, 2024	KF0SMR · GRANT D BROWN · SOLON, IA	2	Granted
May 15, 2007	Jun 2, 2007	KE7NFE · Gregory B Martz · Redmond, WA	4	Granted
Jun 27, 2000	Jul 15, 2000	WD0DVE · GILBERT B MATTOX · OMAHA, NE	2	Granted
Jun 13, 2000	Jul 1, 2000	WD0DVE · GILBERT B MATTOX · OMAHA, NE	1	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K0GBM in the last 24 hours. They show up here within seconds of K0GBM beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.