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, WIKR4MIX HAM
⏳ Not available yet — opens for vanity requests Aug 1, 2028, two years after the license was canceled (Jul 31, 2026).
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
Previous holder: Matthew T Williamson
Held KR4MIX May 20, 2026 → Jul 31, 2026 · first licensed May 20, 2026 as KR4MIX · 2 licenses · FRN 0036329050
-
- Licensee
- Matthew T Williamson
- Address
- 981 Whisper Lake Dr
Winter Haven, FL 33880-1761
- FRN
- 0036329050
- Previous call
- KR4MIX (Technician)
- Last granted
- Jul 31, 2026
- Effective
- Jul 31, 2026
- Last action
- Jul 31, 2026
FCC actions (2)
- Jul 31, 2026 — Vanity call sign granted VANGRT
- Jul 31, 2026 — License issued LIISS
-
- Licensee
- Matthew T Williamson
- Address
- 981 Whisper Lake Dr
Winter Haven, FL 33880-1761
- FRN
- 0036329050
- Last granted
- May 20, 2026
- Effective
- Jul 6, 2026
- Last action
- Jul 31, 2026
FCC actions (4)
- Jul 31, 2026 — License canceled LICAN
- Jul 6, 2026 — License modified LIMOD
- May 20, 2026 — License issued LIISS
- May 20, 2026 — 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 · 4 snapshots · as KR4MIX
Matthew T Williamson
981 Whisper Lake Dr, Winter Haven, FL 33880-1761
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KR4MIX in the last 24 hours. They show up here within seconds of KR4MIX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.