N9TPB FCC License Search

🕒 FCC license data updated yesterday 6:02 am CDT (FCC files through Oct 2, 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

KJ4JRK HAM

✅ Available for a vanity request — free since Aug 1, 2011.

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 Aug 1, 2011

Previous holder: Rick E Frost

Held KJ4JRK Feb 23, 2009 → Jul 31, 2009 · first licensed Feb 23, 2009 as KJ4JRK · 2 licenses · FRN 0018535039

K4REF Active Amateur Extra · vanity Jul 31, 2009 → expires Jul 31, 2029

Licensee
Rick E Frost

Address
5004 Ridgemont Dr
Knoxville, TN 37918
36.0569, -83.9174 (ZIP center) · Grid EM86ab · CQ 4 · ITU 8 · map ↗

FRN
0018535039

Previous call
KJ4JRK (General)

Last granted
Jul 23, 2019

Effective
Jul 23, 2019

Last action
Jul 23, 2019
FCC actions (5)
- Jul 23, 2019 — License renewed LIREN
- Sep 21, 2009 — License modified LIMOD
- Aug 17, 2009 — License modified LIMOD
- Jul 31, 2009 — Vanity call sign granted VANGRT
- Jul 31, 2009 — License issued LIISS
KJ4JRK Canceled Technician Feb 23, 2009 → Jul 31, 2009 (canceled)

Licensee
Rick E Frost

Address
5004 Ridgemont Dr
Knoxville, TN 37918
36.0569, -83.9174 (ZIP center) · Grid EM86ab · CQ 4 · ITU 8 · map ↗

FRN
0018535039

Last granted
Feb 23, 2009

Effective
Feb 23, 2009

Last action
Jul 31, 2009
FCC actions (3)
- Jul 31, 2009 — License canceled LICAN
- Feb 23, 2009 — License issued LIISS
- Feb 23, 2009 — 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 May 27, 2010 → Sep 27, 2026 · 92 snapshots · as KJ4JRK
Rick E Frost
5004 Ridgemont Dr, Knoxville, TN 37918
36.0569, -83.9174 (ZIP center) · Grid EM86ab · CQ 4 · ITU 8 · map ↗

Others requesting KJ4JRK

1 application listed KJ4JRK as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Apr 20, 2017	May 8, 2017	KN4CRN · John R Kellett · Greenville, SC	2	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KJ4JRK in the last 24 hours. They show up here within seconds of KJ4JRK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.