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

KM4HRK HAM

✅ Available for a vanity request — free since Jan 21, 2020.

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 Jan 21, 2020

Previous holder: Robert A Herklotz

Held KM4HRK Jan 27, 2015 → Jan 20, 2018 · first licensed Nov 24, 2014 as KM4GFK · 3 licenses · FRN 0024090144

K4HRK Active Amateur Extra · vanity Jan 20, 2018 → expires Jan 20, 2028

Licensee
Robert A Herklotz

Address
1142 Roseland Drive
Columbia, TN 38401
35.6464, -86.9467 (street) · Grid EM65mp · CQ 4 · ITU 8 · map ↗

FRN
0024090144

Previous call
KM4HRK (General)

Last granted
Jan 20, 2018

Effective
May 24, 2018

Last action
May 24, 2018
FCC actions (3)
- May 24, 2018 — License modified LIMOD
- Jan 20, 2018 — Vanity call sign granted VANGRT
- Jan 20, 2018 — License issued LIISS
KM4HRK Canceled General · vanity Jan 27, 2015 → Jan 20, 2018 (canceled)

Licensee
Robert A Herklotz

Address
1142 Roseland Drive
Columbia, TN 38401-7700
35.6464, -86.9467 (street) · Grid EM65mp · CQ 4 · ITU 8 · map ↗

FRN
0024090144

Previous call
KM4GFK (Technician)

Last granted
Jan 27, 2015

Effective
Jan 3, 2018

Last action
Jan 20, 2018
FCC actions (4)
- Jan 20, 2018 — License canceled LICAN
- Jan 3, 2018 — Administrative update LIAUA
- Jan 27, 2015 — Vanity call sign granted VANGRT
- Jan 27, 2015 — License issued LIISS
KM4GFK Canceled General Nov 24, 2014 → Jan 27, 2015 (canceled)

Licensee
Robert A Herklotz

Address
1142 Roseland Drive
Columbia, TN 38401
35.6464, -86.9467 (street) · Grid EM65mp · CQ 4 · ITU 8 · map ↗

FRN
0024090144

Last granted
Nov 24, 2014

Effective
Jan 21, 2015

Last action
Jan 27, 2015
FCC actions (4)
- Jan 27, 2015 — License canceled LICAN
- Jan 21, 2015 — License modified LIMOD
- Nov 24, 2014 — License issued LIISS
- Nov 24, 2014 — 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 Mar 28, 2015 → Oct 4, 2026 · 89 snapshots · as KM4GFK
Robert A Herklotz
1142 Roseland Drive, Columbia, TN 38401
35.6464, -86.9467 (street) · Grid EM65mp · CQ 4 · ITU 8 · map ↗

Others requesting KM4HRK

1 application listed KM4HRK as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jan 8, 2015	Jan 26, 2015	KM4GFK · Robert A Herklotz · Columbia, TN	2	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KM4HRK in the last 24 hours. They show up here within seconds of KM4HRK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.