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, WIAI6SJ HAM
✅ Available for a vanity request — free since Aug 11, 2023.
2x2 call: only 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 Aug 11, 2023
Previous holder: William D Zavelson-Cox
Held AI6SJ May 27, 2016 → Aug 10, 2021 · first licensed May 27, 2016 as KM6DCM · 3 licenses · FRN 0025620477
-
📦 Moved: Mill Valley, CA → Sausalito, CA
- Licensee
- William D Zavelson-Cox
- Address
- 17 Rose Court
Sausalito, CA 94965
- FRN
- 0025620477
- Previous call
- AI6SJ (General)
- Last granted
- Aug 10, 2021
- Effective
- Oct 12, 2022
- Last action
- Oct 12, 2022
FCC actions (3)
- Oct 12, 2022 — Administrative update LIAUA
- Aug 10, 2021 — Vanity call sign granted VANGRT
- Aug 10, 2021 — License issued LIISS
-
- Licensee
- William D Zavelson-Cox
- Address
- 10 Midway Ave
Mill Valley, CA 94941
- FRN
- 0025620477
- Previous call
- KM6DCM (General)
- Last granted
- May 27, 2016
- Effective
- Jun 22, 2021
- Last action
- Aug 10, 2021
FCC actions (4)
- Aug 10, 2021 — License canceled LICAN
- Jun 22, 2021 — Administrative update LIAUA
- Aug 23, 2016 — Systematic call sign granted SYSGRT
- Aug 23, 2016 — License issued LIISS
-
- Licensee
- William D Zavelson-Cox
- Address
- 764 Bay Rd
Mill Valley, CA 94941
- FRN
- 0025620477
- Last granted
- May 27, 2016
- Effective
- Aug 23, 2016
- Last action
- Aug 23, 2016
FCC actions (4)
- Aug 23, 2016 — License canceled LICAN
- Jun 11, 2016 — Administrative update LIAUA
- May 27, 2016 — License issued LIISS
- May 27, 2016 — 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 AK3Q
William D Zavelson-Cox
17 Rose Court, Sausalito, CA 94965 - Seen Apr 16, 2022 → Oct 4, 2026 · 14 snapshots · as AI6SJ
William D Zavelson-Cox
10 Midway Ave, Mill Valley, CA 94941 - Seen Jun 30, 2016 → Oct 4, 2026 · 38 snapshots · as KM6DCM
William D Zavelson-Cox
764 Bay Rd, Mill Valley, CA 94941
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for AI6SJ in the last 24 hours. They show up here within seconds of AI6SJ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.