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, WIKI4CXN HAM
✅ Available for a vanity request — free since Apr 24, 2023.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL: LoTW user · last upload Apr 27, 2021 · not eQSL AG · QRZ · HamQTH
Not currently held · 1 holder on record · available since Apr 24, 2023
Previous holder: BENJAMIN E SEIDENBERG
Held KI4CXN Nov 12, 2003 → Apr 23, 2021 · first licensed Nov 12, 2003 as KI4CXN · 2 licenses · FRN 0009854191
-
- Licensee
- BENJAMIN E SEIDENBERG
- Address
- 6506 48TH AVE S
SEATTLE, WA 98118
- FRN
- 0009854191
- Previous call
- KI4CXN (General)
- Last granted
- Apr 23, 2021
- Effective
- Apr 23, 2021
- Last action
- Apr 23, 2021
FCC actions (2)
- Apr 23, 2021 — Vanity call sign granted VANGRT
- Apr 23, 2021 — License issued LIISS
-
- Licensee
- BENJAMIN E SEIDENBERG
- Address
- 6506 48TH AVE S
SEATTLE, WA 98118
- FRN
- 0009854191
- Last granted
- Aug 20, 2013
- Effective
- Feb 18, 2021
- Last action
- Apr 23, 2021
FCC actions (7)
- Apr 23, 2021 — License canceled LICAN
- Feb 18, 2021 — License modified LIMOD
- May 15, 2018 — Administrative update LIAUA
- Aug 20, 2013 — License renewed LIREN
- Aug 18, 2010 — Administrative update LIAUA
- Apr 6, 2007 — License modified LIMOD
- Nov 12, 2003 — License issued LIISS
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Sep 3, 2018 → Oct 4, 2026 · 29 snapshots · as KI4CXN
Benjamin E Seidenberg
6506 48th Ave S, Seattle, WA 98118 - Seen Oct 17, 2011 → May 7, 2018 · 30 snapshots · as KI4CXN
Benjamin E Seidenberg
4851 S. Graham St, Seattle, WA 98118 - Seen Nov 7, 2004 → May 27, 2010 · 2 snapshots · as KI4CXN
Benjamin E Seidenberg
930 E Hedgelawn Way, Southern Pines, NC 28387
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KI4CXN in the last 24 hours. They show up here within seconds of KI4CXN beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.