N9TPB FCC License Search

🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 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

AD6FX HAM

✅ Available for a vanity request — free since May 25, 2005.

2x2 call: only Amateur Extra licensees can request it. No pending applications list it.

📬 QSL: LoTW user · last upload Oct 18, 2003 · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since May 25, 2005

Previous holder: JON ZWEIG

Held AD6FX Jul 15, 1998 → May 24, 2003 · first licensed as KQ6XD · 3 licenses · FRN 0003599636

W6FEL Active Amateur Extra · vanity May 24, 2003 → expires May 24, 2033

Licensee
JON ZWEIG

Address
365 Colorado Avenue
PALO ALTO, CA 94306
37.4302, -122.1348 (street) · Grid CM87wk · CQ 3 · ITU 6 · map ↗

FRN
0003599636

Previous call
AD6FX (Advanced)

Last granted
Mar 21, 2023

Effective
Mar 21, 2023

Last action
Mar 21, 2023
FCC actions (4)
- Mar 21, 2023 — License renewed LIREN
- Mar 1, 2013 — License renewed LIREN
- May 24, 2003 — Vanity call sign granted VANGRT
- May 24, 2003 — License issued LIISS
📦 Moved: , None → Palo Alto, CA

AD6FX Canceled Amateur Extra Jul 15, 1998 → May 24, 2003 (canceled)

Licensee
JON ZWEIG

Address
365 COLORADO AVE
PALO ALTO, CA 94306-2444
37.4162, -122.1309 (ZIP center) · Grid CM87wj · CQ 3 · ITU 6 · map ↗

FRN
0003599636

Previous call
KQ6XD (Advanced)

Last granted
Jul 15, 1998

Effective
Jul 15, 1998

Last action
May 24, 2003
FCC actions (7)
- May 24, 2003 — License canceled LICAN
- Sep 26, 2001 — Record corrected COR
- Sep 26, 2001 — Record corrected COR
- Sep 26, 2001 — Authorization printed AUTHPR
- Sep 25, 2001 — FCC action INTDUP
- Sep 25, 2001 — Record corrected COR
- Sep 25, 2001 — Record corrected COR
KQ6XD Canceled Advanced → Jul 15, 1998 (canceled)

Licensee
JONATHAN S ZWEIG

Address

Last granted

Effective

Last action

Address history

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

Seen Apr 27, 2024 → Sep 27, 2026 · 11 snapshots · as W6FEL
JON ZWEIG
365 Colorado Avenue, PALO ALTO, CA 94306
37.4302, -122.1348 (street) · Grid CM87wk · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as KQ6XD
JONATHAN S ZWEIG
Seen Nov 7, 2004 → Sep 27, 2026 · 83 snapshots · as AD6FX
JON ZWEIG
365 COLORADO AVE, PALO ALTO, CA 94306-2444
37.4162, -122.1309 (ZIP center) · Grid CM87wj · CQ 3 · ITU 6 · map ↗

Others requesting AD6FX

1 application listed AD6FX as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Sep 11, 2017	Sep 29, 2017	AI6YX · Robert Khechen · Laguna Hills, CA	2	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for AD6FX in the last 24 hours. They show up here within seconds of AD6FX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.