N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 15, 2026) · next update today 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, WI · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

KI4RTN HAM

✅ Available for a vanity request — free since Nov 11, 2008.

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 Nov 11, 2008

Previous holder: Robert G Thornton

Held KI4RTN Oct 18, 2006 → Nov 10, 2006 · first licensed Oct 18, 2006 as KI4RTN · 2 licenses · FRN 0015625114

K4KUB Active Amateur Extra · vanity Nov 10, 2006 → expires Nov 10, 2036

Licensee
Robert G Thornton

Address
608 E. Old Mill Drive
De Bary, FL 32713-4605
28.9203, -81.3446 (street) · Grid EL98hw · CQ 5 · ITU 8 · map ↗

FRN
0015625114

Previous call
KI4RTN (General)

Last granted
Aug 29, 2026

Effective
Aug 29, 2026

Last action
Aug 29, 2026
FCC actions (7)
- Aug 29, 2026 — License renewed LIREN
- Aug 15, 2016 — License renewed LIREN
- Aug 14, 2015 — Administrative update LIAUA
- Dec 15, 2006 — License modified LIMOD
- Nov 16, 2006 — License modified LIMOD
- Nov 10, 2006 — Vanity call sign granted VANGRT
- Nov 10, 2006 — License issued LIISS
KI4RTN Canceled Technician Oct 18, 2006 → Nov 10, 2006 (canceled)

Licensee
Robert G Thornton

Address
PO Box 530730
De Bary, FL 32753-0730

FRN
0015625114

Last granted
Oct 18, 2006

Effective
Oct 18, 2006

Last action
Nov 10, 2006
FCC actions (3)
- Nov 10, 2006 — License canceled LICAN
- Oct 18, 2006 — License issued LIISS
- Oct 18, 2006 — 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 18, 2015 → Oct 11, 2026 · 33 snapshots · as K4KUB
Robert G Thornton
608 E. Old Mill Drive, De Bary, FL 32713-4605
28.9203, -81.3446 (street) · Grid EL98hw · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Oct 11, 2026 · 63 snapshots · as KI4RTN
Robert G Thornton
PO Box 530730
De Bary, FL 32753-0730

📡 On the Air: APRS, Digital & WSPR Spots

No APRS positions, PSK Reporter reports or WSPR spots for KI4RTN in the last 24 hours. They show up here within seconds of KI4RTN beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.