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, WIWP4KF HAM
✅ Available for a vanity request — free since Aug 12, 1999.
2x2 call: Advanced and Amateur Extra licensees 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 Aug 12, 1999
Previous holder: LUIS R COLLAZO
Held WP4KF Aug 11, 1987 → Aug 11, 1997 · first licensed Aug 11, 1987 as WP4KF · 1 license · no FRN on file (pre-2001 records)
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- Licensee
- LUIS R COLLAZO
- Address
- BUZON 807H CASA 70 E BO LA BARRA
CAGUAS, PR 00625
- Last granted
- Aug 11, 1987
- Effective
- Aug 11, 1987
- Last action
- Aug 16, 1999
FCC actions (1)
- Aug 16, 1999 — License expired LIEXP
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as WP4KF
LUIS R COLLAZO
BUZON 807H CASA 70 E BO LA BARRA, CAGUAS, PR 00625
Others requesting WP4KF
3 applications listed WP4KF as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Nov 26, 2025 | Dec 14, 2025 | KZ4XK · Ryan Stewart · FALLS CHURCH, VA | 8 | Granted |
| Jan 14, 2022 | Feb 1, 2022 | KO4TQG · Matthew Ewers · Albertville, AL | 6 | Granted |
| Oct 6, 2015 | Oct 24, 2015 | KD4LQA · ERNEST H FRITZ JR · DAVIE, FL | 6 | Dismissed |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for WP4KF in the last 24 hours. They show up here within seconds of WP4KF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.