N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:42 am CDT (FCC files through Sep 30, 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

W1MOS HAM

✅ Available for a vanity request — free since Jul 20, 2020.

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

Not currently held · 1 holder on record · available since Jul 20, 2020

Previous holder: MAX O SPITZER

Held W1MOS Jul 19, 2008 → Jul 19, 2018 · first licensed Jan 2, 2008 as KB1PUQ · 2 licenses · FRN 0017286287

W1MOS Expired General · vanity Jul 19, 2008 → Jul 19, 2018 (expired)

Licensee
MAX O SPITZER

Address
50 MUSKET RIDGE ROAD
WILTON, CT 06897
41.2113, -73.4410 (ZIP center) · Grid FN31gf · CQ 5 · ITU 8 · map ↗

FRN
0017286287

Previous call
KB1PUQ (Technician)

Last granted
Jul 19, 2008

Effective
Jul 19, 2008

Last action
Jul 21, 2020
FCC actions (3)
- Jul 21, 2020 — License expired LIEXP
- Jul 19, 2008 — Vanity call sign granted VANGRT
- Jul 19, 2008 — License issued LIISS
KB1PUQ Canceled General Jan 2, 2008 → Jul 19, 2008 (canceled)

Licensee
Max O Spitzer

Address
50 Musket Ridge Road
Wilton, CT 06897
41.2113, -73.4410 (ZIP center) · Grid FN31gf · CQ 5 · ITU 8 · map ↗

FRN
0017286287

Last granted
Jan 2, 2008

Effective
Jul 9, 2008

Last action
Jul 19, 2008
FCC actions (4)
- Jul 19, 2008 — License canceled LICAN
- Jul 9, 2008 — License modified LIMOD
- Jan 2, 2008 — License issued LIISS
- Jan 2, 2008 — 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 May 27, 2010 → Sep 27, 2026 · 92 snapshots · as KB1PUQ
Max O Spitzer
50 Musket Ridge Road, Wilton, CT 06897
41.2113, -73.4410 (ZIP center) · Grid FN31gf · CQ 5 · ITU 8 · map ↗

Others requesting W1MOS

1 application listed W1MOS as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jul 1, 2008	Jul 19, 2008	KB1PUQ · MAX O SPITZER · WILTON, CT	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W1MOS in the last 24 hours. They show up here within seconds of W1MOS beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.