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
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HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WIKK4BTB HAM
✅ Available for a vanity request — free since Apr 1, 2022.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL: LoTW user · last upload Feb 27, 2012 · not eQSL AG · QRZ · HamQTH
Not currently held · 1 holder on record · available since Apr 1, 2022
Previous holder: Sarah E Aspen
Held KK4BTB Apr 25, 2011 → Mar 31, 2020 · first licensed Apr 25, 2011 as KK4BTB · 2 licenses · FRN 0020810719
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📦 Moved: Roswell, GA → Chesnee, SC
- Licensee
- Sarah E Aspen
- Address
- 252 Turquoise Trl
Chesnee, SC 29323
- FRN
- 0020810719
- Previous call
- KK4BTB (General)
- Last granted
- Mar 31, 2020
- Effective
- Apr 20, 2026
- Last action
- Apr 20, 2026
FCC actions (5)
- Apr 20, 2026 — Administrative update LIAUA
- Jul 30, 2025 — Administrative update LIAUA
- Jan 20, 2021 — Administrative update LIAUA
- Mar 31, 2020 — Vanity call sign granted VANGRT
- Mar 31, 2020 — License issued LIISS
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- Licensee
- John W Plaxco
- Address
- 1200 Falstaff Dr
Roswell, GA 30076
- FRN
- 0020810719
- Last granted
- Apr 25, 2011
- Effective
- Feb 29, 2012
- Last action
- Mar 31, 2020
FCC actions (4)
- Mar 31, 2020 — License canceled LICAN
- Feb 29, 2012 — License modified LIMOD
- Apr 25, 2011 — License issued LIISS
- Apr 25, 2011 — 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 Sep 27, 2026 → Oct 4, 2026 · 2 snapshots · as W5SJM
Sarah E Aspen
252 Turquoise Trl, Chesnee, SC 29323 - Seen Oct 17, 2011 → Oct 4, 2026 · 46 snapshots · as KK4BTB
John W Plaxco
1200 Falstaff Dr, Roswell, GA 30076 - Seen Sep 25, 2025 · 1 snapshot · as W5SJM
John S Moore
252 Turquoise Trl, Chesnee, SC 29323 - Seen Apr 16, 2022 → May 29, 2025 · 10 snapshots · as W5SJM
John S Moore
4192 N Shallowford Rd, Chamblee, GA 30341
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KK4BTB in the last 24 hours. They show up here within seconds of KK4BTB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.