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, WIKC0UZJ HAM
✅ Available for a vanity request — free since Sep 8, 2007.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH
Not currently held · 1 holder on record · available since Sep 8, 2007
Previous holder: David N Koster
Held KC0UZJ Aug 16, 2005 → Sep 7, 2005 · first licensed Aug 16, 2005 as KC0UZJ · 3 licenses · FRN 0013897350
-
- Licensee
- David N Koster
- Address
- 4810 Chaparral Rd
Colorado Springs, CO 80917
- FRN
- 0013897350
- Last granted
- Nov 21, 2025
- Effective
- Nov 21, 2025
- Last action
- Nov 21, 2025
FCC actions (2)
- Nov 21, 2025 — License issued LIISS
- Nov 21, 2025 — Systematic call sign granted SYSGRT
-
- Licensee
- David N Koster
- Address
- 4810 Chaparral Rd
Colorado Springs, CO 80917
- FRN
- 0013897350
- Previous call
- KC0UZJ
- Last granted
- Sep 7, 2005
- Effective
- Sep 7, 2005
- Last action
- Sep 8, 2017
FCC actions (3)
- Sep 8, 2017 — License expired LIEXP
- Sep 7, 2005 — Vanity call sign granted VANGRT
- Sep 7, 2005 — License issued LIISS
-
- Licensee
- David N Koster
- Address
- 4810 Chaparral Rd
Colorado Springs, CO 80917
- FRN
- 0013897350
- Last granted
- Aug 16, 2005
- Effective
- Aug 16, 2005
- Last action
- Sep 7, 2005
FCC actions (3)
- Sep 7, 2005 — License canceled LICAN
- Aug 16, 2005 — License issued LIISS
- Aug 16, 2005 — 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 → Oct 4, 2026 · 96 snapshots · as KC0UZJ
David N Koster
4810 Chaparral Rd, Colorado Springs, CO 80917
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KC0UZJ in the last 24 hours. They show up here within seconds of KC0UZJ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.