N9TPB FCC License Search

🕒 FCC license data updated today 9:45 am CDT · 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

KF4TRM HAM

✅ Available for a vanity request — free since Apr 13, 2013.

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 Apr 13, 2013

Previous holder: DARRELL A O'KAIN

Held KF4TRM May 10, 2004 → Apr 12, 2011 · first licensed May 10, 2004 as KF4TRM · 2 licenses · FRN 0010891000

NE4P Active Amateur Extra · vanity Apr 12, 2011 → expires Apr 12, 2031

Licensee
DARRELL A O'KAIN

Address
6426 SW 45th AVE
Ocala, FL 34474
29.1225, -82.1972 (street) · Grid EL89vc · CQ 5 · ITU 8 · map ↗

FRN
0010891000

Previous call
KF4TRM (General)

Last granted
Jan 20, 2021

Effective
Jan 20, 2021

Last action
Jan 20, 2021
FCC actions (3)
- Jan 20, 2021 — License renewed LIREN
- Apr 12, 2011 — Vanity call sign granted VANGRT
- Apr 12, 2011 — License issued LIISS
KF4TRM Canceled Amateur Extra May 10, 2004 → Apr 12, 2011 (canceled)

Licensee
DARRELL A O'KAIN

Address
5625 SW 88th Pl
Ocala, FL 34476
29.0886, -82.2016 (ZIP center) · Grid EL89vc · CQ 5 · ITU 8 · map ↗

FRN
0010891000

Last granted
Mar 12, 2008

Effective
Mar 11, 2011

Last action
Apr 12, 2011
FCC actions (5)
- Apr 12, 2011 — License canceled LICAN
- Mar 11, 2011 — License modified LIMOD
- Mar 12, 2008 — License renewed LIREN
- May 10, 2004 — License modified LIMOD
- May 10, 2004 — FCC action LITIN

Address history

From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as NE4P
DARRELL A O'KAIN
6426 SW 45th AVE, Ocala, FL 34474
29.1225, -82.1972 (street) · Grid EL89vc · CQ 5 · ITU 8 · map ↗
Seen Oct 17, 2011 → Oct 4, 2026 · 79 snapshots · as KF4TRM
DARRELL A O'KAIN
5625 SW 88th Pl, Ocala, FL 34476
29.0886, -82.2016 (ZIP center) · Grid EL89vc · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 · 1 snapshot · as KF4TRM
DARRELL A O'KAIN
1621 QUEEN ANNE WAY, KNOXVILLE, TN 37931
35.9763, -84.1263 (ZIP center) · Grid EM75wx · CQ 4 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KF4TRM
DARRELL A O'KAIN
6944 OAK RIDGE HWY, KNOXVILLE, TN 37931
35.9763, -84.1263 (ZIP center) · Grid EM75wx · CQ 4 · ITU 8 · map ↗

Others requesting KF4TRM

1 application listed KF4TRM as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jun 8, 2026	Jun 26, 2026	KM4GJC · Dennis B Slabaugh · Naples, FL	11	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KF4TRM in the last 24 hours. They show up here within seconds of KF4TRM beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.