N9TPB
FCC License Search
🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 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, WIKN4IO HAM
✅ Available for a vanity request — free since Sep 30, 2021.
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 Sep 30, 2021
Previous holder: WILLIAM H HOLCOMB
Held KN4IO Sep 29, 2009 → Sep 29, 2019 · first licensed Aug 14, 1996 as KC4YTP · 3 licenses · FRN 0002957272
-
- Licensee
- WILLIAM H HOLCOMB
- Address
- 828 LAKE PALMS DR
LARGO, FL 33771-3236
- FRN
- 0002957272
- Previous call
- K4NIO (General)
- Last granted
- Sep 29, 2009
- Effective
- Sep 29, 2009
- Last action
- Sep 30, 2021
FCC actions (3)
- Sep 30, 2021 — License expired LIEXP
- Sep 29, 2009 — Vanity call sign granted VANGRT
- Sep 29, 2009 — License issued LIISS
-
- Licensee
- WILLIAM H HOLCOMB
- Address
- 828 LAKE PALMS DR
LARGO, FL 33771-3236
- FRN
- 0002957272
- Previous call
- KC4YTP (General)
- Last granted
- Jun 9, 2000
- Effective
- Aug 10, 2009
- Last action
- Sep 29, 2009
FCC actions (3)
- Sep 29, 2009 — License canceled LICAN
- Aug 10, 2009 — License modified LIMOD
- Jun 9, 2000 — License issued LIISS
-
- Licensee
- WILLIAM H HOLCOMB
- Address
- 828 LAKE PALMS DR
LARGO, FL 33771
- FRN
- 0002957272
- Last granted
- Aug 14, 1996
- Effective
- May 12, 2000
- Last action
- Jun 9, 2000
FCC actions (2)
- Jun 9, 2000 — License canceled LICAN
- May 12, 2000 — License modified LIMOD
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Sep 27, 2026 · 140 snapshots · as KC4YTP
WILLIAM H HOLCOMB
828 LAKE PALMS DR, LARGO, FL 33771
Others requesting KN4IO
1 application listed KN4IO as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Sep 11, 2009 | Sep 29, 2009 | K4NIO · WILLIAM H HOLCOMB · LARGO, FL | 1 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KN4IO in the last 24 hours. They show up here within seconds of KN4IO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.