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, WI

KR4IDX HAM

⏳ Not available yet — opens for vanity requests Dec 31, 2027, two years after the license was canceled (Dec 30, 2025).

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: Thomas E Warren

Held KR4IDX Dec 11, 2025 → Dec 30, 2025 · first licensed May 17, 2001 as KC8DHX · 3 licenses · FRN 0003954252

KC8DHX Active General · vanity Dec 30, 2025 → expires Dec 30, 2035

Licensee
Thomas E Warren

Address
4216 NW 37th Terr
Gainesville, FL 32605
29.6927, -82.3789 (street) · Grid EL89tq · CQ 5 · ITU 8 · map ↗

FRN
0003954252

Previous call
KR4IDX

Last granted
Dec 30, 2025

Effective
Dec 30, 2025

Last action
Dec 30, 2025
FCC actions (2)
- Dec 30, 2025 — Vanity call sign granted VANGRT
- Dec 30, 2025 — License issued LIISS
📦 Moved: Gainsville, FL → Gainesville, FL

KR4IDX Canceled General Dec 11, 2025 → Dec 30, 2025 (canceled)

Licensee
Thomas E Warren

Address
4216 NW 37th Terr
Gainesville, FL 32605
29.6927, -82.3789 (street) · Grid EL89tq · CQ 5 · ITU 8 · map ↗

FRN
0003954252

Last granted
Dec 11, 2025

Effective
Dec 11, 2025

Last action
Dec 30, 2025
FCC actions (3)
- Dec 30, 2025 — License canceled LICAN
- Dec 11, 2025 — License issued LIISS
- Dec 11, 2025 — Systematic call sign granted SYSGRT
KC8DHX Expired Technician May 17, 2001 → Apr 19, 2016 (expired)

Licensee
THOMAS E WARREN

Address
Attn: Thomas E. Warren
4216 NW 37th Terrace
Gainsville, FL 32605-6012
29.6792, -82.3728 (ZIP center) · Grid EL89tq · CQ 5 · ITU 8 · map ↗

FRN
0003954252

Last granted
Feb 22, 2006

Effective
Jul 8, 2014

Last action
Apr 20, 2018
FCC actions (6)
- Apr 20, 2018 — License expired LIEXP
- Jul 8, 2014 — Administrative update LIAUA
- Jan 15, 2009 — Administrative update LIAUA
- Feb 22, 2006 — License renewed LIREN
- May 19, 2004 — Administrative update LIAUA
- May 17, 2001 — License modified LIMOD

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 KR4IDX
Thomas E Warren
4216 NW 37th Terr, Gainesville, FL 32605
29.6927, -82.3789 (street) · Grid EL89tq · CQ 5 · ITU 8 · map ↗
Seen Mar 28, 2015 → Oct 4, 2026 · 36 snapshots · as KC8DHX
THOMAS E WARREN
Attn: Thomas E. Warren
4216 NW 37th Terrace, Gainsville, FL 32605-6012
29.6792, -82.3728 (ZIP center) · Grid EL89tq · CQ 5 · ITU 8 · map ↗
Seen Apr 6, 2013 → May 22, 2014 · 5 snapshots · as KC8DHX
THOMAS E WARREN
Attn: Tom Warren
PO Box 7476 Tillicum Trl NE
7476 Tillicum Tr, Rockford, MI 49341
43.1241, -85.4909 (ZIP center) · Grid EN73gc · CQ 4 · ITU 8 · map ↗
Seen May 27, 2010 → Feb 18, 2013 · 6 snapshots · as KC8DHX
THOMAS E WARREN
Attn: Tom Warren
7476 Tillicum Tr, Rockford, MI 49341
43.1241, -85.4909 (ZIP center) · Grid EN73gc · CQ 4 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KC8DHX
THOMAS E WARREN
619 Midland Ave, West Bend, WI 53090
43.4623, -88.1717 (ZIP center) · Grid EN53vl · CQ 4 · ITU 8 · map ↗

Others requesting KR4IDX

1 application listed KR4IDX as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Dec 9, 2025	Dec 27, 2025	KR4IAF · Robert W Baird · King George, VA	3	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KR4IDX in the last 24 hours. They show up here within seconds of KR4IDX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.