N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 9:45 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

KN6GTO HAM

✅ Available for a vanity request — free since Feb 5, 2022.

2x3 call: any licensee 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 Feb 5, 2022

Previous holder: Brian C Mayfield

Held KN6GTO Jan 16, 2020 → Feb 4, 2020 · first licensed Dec 23, 2002 as KG6OJU · 3 licenses · FRN 0008128951

KG6OJU Active General · vanity Feb 4, 2020 → expires Feb 4, 2030

Licensee
Brian C Mayfield

Address
3216 BIRDSALL AVENUE
OAKLAND, CA 94619
37.7813, -122.1922 (street) · Grid CM87vs · CQ 3 · ITU 6 · map ↗

FRN
0008128951

Previous call
KN6GTO (Technician)

Last granted
Feb 4, 2020

Effective
Feb 7, 2020

Last action
Feb 7, 2020
FCC actions (3)
- Feb 7, 2020 — License modified LIMOD
- Feb 4, 2020 — Vanity call sign granted VANGRT
- Feb 4, 2020 — License issued LIISS
📦 Moved: San Francisco, CA → Oakland, CA

KN6GTO Canceled Technician Jan 16, 2020 → Feb 4, 2020 (canceled)

Licensee
Brian C Mayfield

Address
3216 Birdsall Ave
Oakland, CA 94619
37.7926, -122.1601 (ZIP center) · Grid CM87wt · CQ 3 · ITU 6 · map ↗

FRN
0008128951

Last granted
Jan 16, 2020

Effective
Jan 16, 2020

Last action
Feb 4, 2020
FCC actions (3)
- Feb 4, 2020 — License canceled LICAN
- Jan 16, 2020 — License issued LIISS
- Jan 16, 2020 — Systematic call sign granted SYSGRT
KG6OJU Expired Technician Dec 23, 2002 → Dec 23, 2012 (expired)

Licensee
Brian C Mayfield

Address
1659 34th Ave
San Francisco, CA 94122-3114
37.7605, -122.4839 (ZIP center) · Grid CM87ss · CQ 3 · ITU 6 · map ↗

FRN
0008128951

Last granted
Dec 23, 2002

Effective
Dec 23, 2002

Last action
Dec 24, 2014
FCC actions (2)
- Dec 24, 2014 — License expired LIEXP
- Dec 23, 2002 — License issued LIISS

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 KN6GTO
Brian C Mayfield
3216 Birdsall Ave, Oakland, CA 94619
37.7926, -122.1601 (ZIP center) · Grid CM87wt · CQ 3 · ITU 6 · map ↗
Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as KG6OJU
Brian C Mayfield
3216 BIRDSALL AVENUE, OAKLAND, CA 94619
37.7813, -122.1922 (street) · Grid CM87vs · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KG6OJU
Brian C Mayfield
1659 34th Ave, San Francisco, CA 94122-3114
37.7605, -122.4839 (ZIP center) · Grid CM87ss · CQ 3 · ITU 6 · map ↗

Others requesting KN6GTO

1 application listed KN6GTO as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Feb 1, 2021	Feb 19, 2021	KN6NDV · Bradley W Friesen · San Clemente, CA	9	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KN6GTO in the last 24 hours. They show up here within seconds of KN6GTO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.