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, WIKD0TXH HAM
✅ Available for a vanity request — free since Feb 14, 2018.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL: LoTW user · last upload Feb 21, 2016 · eQSL AG member · QRZ · HamQTH
Not currently held · 1 holder on record · available since Feb 14, 2018
Previous holder: David K Tolsdorf
Held KD0TXH Dec 12, 2012 → Feb 13, 2016 · first licensed Dec 12, 2012 as KD0TXH · 2 licenses · FRN 0022266324
-
- Licensee
- David K Tolsdorf
- Address
- Attn: David K Tolsdorf
PO Box 322
Ogden, IA 50212
- FRN
- 0022266324
- Previous call
- KD0TXH (General)
- Last granted
- Jan 22, 2026
- Effective
- Jan 22, 2026
- Last action
- Jan 22, 2026
FCC actions (3)
- Jan 22, 2026 — License renewed LIREN
- Feb 13, 2016 — Vanity call sign granted VANGRT
- Feb 13, 2016 — License issued LIISS
-
- Licensee
- David K Tolsdorf
- Address
- PO Box 322
Ogden, IA 50212
- FRN
- 0022266324
- Last granted
- Dec 12, 2012
- Effective
- Mar 9, 2015
- Last action
- Feb 13, 2016
FCC actions (5)
- Feb 13, 2016 — License canceled LICAN
- Mar 9, 2015 — License modified LIMOD
- Dec 28, 2012 — License modified LIMOD
- Dec 12, 2012 — License issued LIISS
- Dec 12, 2012 — 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 Feb 18, 2013 → Oct 4, 2026 · 71 snapshots · as KD0TXH
David K Tolsdorf
PO Box 322
Ogden, IA 50212
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KD0TXH in the last 24 hours. They show up here within seconds of KD0TXH beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.