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, WI

KI4SOM HAM

✅ Available for a vanity request — free since Jun 28, 2017.

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

📬 QSL: LoTW user · last upload Sep 13, 2010 · eQSL AG member · QRZ · HamQTH

Not currently held · 1 holder on record · available since Jun 28, 2017

Previous holder: Andrew J Rosenberger

Held KI4SOM Dec 12, 2006 → Jun 27, 2015 · first licensed Dec 12, 2006 as KI4SOM · 2 licenses · FRN 0015802721

AL7U Active Amateur Extra · vanity Jun 27, 2015 → expires Jun 27, 2035

Licensee
Andrew J Rosenberger

Address
PO Box 672301
Chugiak, AK 99567
61.2993, -149.0212 (ZIP center) · Grid BP51lh · CQ 1 · ITU 1 · map ↗

FRN
0015802721

Previous call
KI4SOM (General)

Last granted
Jun 21, 2025

Effective
Jun 21, 2025

Last action
Jun 21, 2025
FCC actions (3)
- Jun 21, 2025 — License renewed LIREN
- Jun 27, 2015 — Vanity call sign granted VANGRT
- Jun 27, 2015 — License issued LIISS
KI4SOM Canceled Amateur Extra Dec 12, 2006 → Jun 27, 2015 (canceled)

Licensee
Andrew J Rosenberger

Address
PO Box 672301
Chugiak, AK 99567
61.2993, -149.0212 (ZIP center) · Grid BP51lh · CQ 1 · ITU 1 · map ↗

FRN
0015802721

Last granted
Dec 12, 2006

Effective
Jun 9, 2015

Last action
Jun 27, 2015
FCC actions (8)
- Jun 27, 2015 — License canceled LICAN
- Jun 9, 2015 — License modified LIMOD
- Jun 6, 2015 — Administrative update LIAUA
- Feb 5, 2014 — Administrative update LIAUA
- Feb 7, 2012 — Administrative update LIAUA
- Sep 24, 2008 — License modified LIMOD
- Dec 12, 2006 — License issued LIISS
- Dec 12, 2006 — 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 Mar 28, 2014 → Oct 4, 2026 · 71 snapshots · as KI4SOM
Andrew J Rosenberger
PO Box 672301
Chugiak, AK 99567
61.2993, -149.0212 (ZIP center) · Grid BP51lh · CQ 1 · ITU 1 · map ↗
Seen May 28, 2012 → Oct 22, 2013 · 6 snapshots · as KI4SOM
Andrew J Rosenberger
PO Box 141274
Anchorage, AK 99514
Seen May 27, 2010 → Nov 10, 2011 · 3 snapshots · as KI4SOM
Andrew J Rosenberger
2721 Kimball Terrace, Norfolk, VA 23504
36.8573, -76.2656 (ZIP center) · Grid FM16uu · CQ 5 · ITU 8 · map ↗

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KI4SOM in the last 24 hours. They show up here within seconds of KI4SOM beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.