N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:42 am CDT (FCC files through Sep 30, 2026) · next update today 9:15 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

KC3FUP HAM

✅ Available for a vanity request — free since Dec 2, 2017.

2x3 call: any licensee can request it. No pending applications list it.

Not currently held · 1 holder on record · available since Dec 2, 2017

Previous holder: Arnold J Stadlin

Held KC3FUP Oct 28, 2015 → Dec 1, 2015 · first licensed Oct 28, 2015 as KC3FUP · 2 licenses · FRN 0024988693

📦 Moved: Fallston, MD → Windsor Mill, MD

W3PMU Active Amateur Extra · vanity Dec 1, 2015 → expires Dec 1, 2035

Licensee
Arnold J Stadlin

Address
Attn: W3PMU
2017 Reeves Rd
Windsor Mill, MD 21244
39.3350, -76.7767 (ZIP center) · Grid FM19oi · CQ 5 · ITU 8 · map ↗

FRN
0024988693

Previous call
KC3FUP (General)

Last granted
Nov 29, 2025

Effective
Nov 29, 2025

Last action
Nov 29, 2025
FCC actions (7)
- Nov 29, 2025 — License renewed LIREN
- Nov 26, 2022 — Administrative update LIAUA
- Nov 26, 2022 — Administrative update LIAUA
- Apr 27, 2016 — License modified LIMOD
- Feb 1, 2016 — License modified LIMOD
- Dec 1, 2015 — Vanity call sign granted VANGRT
- Dec 1, 2015 — License issued LIISS
KC3FUP Canceled Technician Oct 28, 2015 → Dec 1, 2015 (canceled)

Licensee
Arnold Stadlin

Address
321 Tufton Cir
Fallston, MD 21047
39.5269, -76.4381 (ZIP center) · Grid FM19sm · CQ 5 · ITU 8 · map ↗

FRN
0024988693

Last granted
Oct 28, 2015

Effective
Oct 28, 2015

Last action
Dec 1, 2015
FCC actions (3)
- Dec 1, 2015 — License canceled LICAN
- Oct 28, 2015 — License issued LIISS
- Oct 28, 2015 — 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 → Sep 27, 2026 · 11 snapshots · as W3PMU
Arnold J Stadlin
Attn: W3PMU
2017 Reeves Rd, Windsor Mill, MD 21244
39.3350, -76.7767 (ZIP center) · Grid FM19oi · CQ 5 · ITU 8 · map ↗
Seen Nov 16, 2015 → Sep 27, 2026 · 48 snapshots · as KC3FUP
Arnold Stadlin
321 Tufton Cir, Fallston, MD 21047
39.5269, -76.4381 (ZIP center) · Grid FM19sm · CQ 5 · ITU 8 · map ↗

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KC3FUP in the last 24 hours. They show up here within seconds of KC3FUP beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.