N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 4, 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

KO4BRB HAM

✅ Available for a vanity request — free since Aug 14, 2021.

2x3 call: any licensee can request it. No pending applications list it.

📬 QSL: LoTW user · last upload Jun 14, 2020 · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since Aug 14, 2021

Previous holder: BENJAMIN R BUTLER

Held KO4BRB Nov 17, 2017 → Aug 13, 2019 · first licensed Oct 30, 2017 as KN4HCI · 3 licenses · FRN 0026932657

KX4TQ Active Amateur Extra Nov 17, 2017 → expires Nov 17, 2027

Licensee
BENJAMIN R BUTLER

Address
Attn: Ben Butler
477 susong dr
Morristown, TN 37814
36.2418, -83.3222 (street) · Grid EM86if · CQ 4 · ITU 8 · map ↗

FRN
0026932657

Previous call
KO4BRB (General)

Last granted
Nov 17, 2017

Effective
Jun 16, 2026

Last action
Jun 16, 2026
FCC actions (4)
- Jun 16, 2026 — Administrative update LIAUA
- Dec 15, 2021 — Administrative update LIAUA
- Aug 13, 2019 — Systematic call sign granted SYSGRT
- Aug 13, 2019 — License issued LIISS
KO4BRB Canceled Amateur Extra · vanity Nov 17, 2017 → Aug 13, 2019 (canceled)

Licensee
BENJAMIN R BUTLER

Address
384 LOCHMERE DR
MORRISTOWN, TN 37814
36.2333, -83.3379 (ZIP center) · Grid EM86hf · CQ 4 · ITU 8 · map ↗

FRN
0026932657

Previous call
KN4HCI (General)

Last granted
Nov 17, 2017

Effective
Mar 25, 2019

Last action
Aug 13, 2019
FCC actions (5)
- Aug 13, 2019 — License canceled LICAN
- Mar 25, 2019 — License modified LIMOD
- Jan 3, 2018 — License modified LIMOD
- Nov 17, 2017 — Vanity call sign granted VANGRT
- Nov 17, 2017 — License issued LIISS
KN4HCI Canceled Technician Oct 30, 2017 → Nov 17, 2017 (canceled)

Licensee
BENJAMIN R BUTLER

Address
384 LOCHMERE DR
MORRISTOWN, TN 37814-2184
36.2333, -83.3379 (ZIP center) · Grid EM86hf · CQ 4 · ITU 8 · map ↗

FRN
0026932657

Last granted
Oct 30, 2017

Effective
Oct 30, 2017

Last action
Nov 17, 2017
FCC actions (3)
- Nov 17, 2017 — License canceled LICAN
- Oct 30, 2017 — License issued LIISS
- Oct 30, 2017 — 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 27, 2026 → Oct 4, 2026 · 2 snapshots · as KX4TQ
BENJAMIN R BUTLER
Attn: Ben Butler
477 susong dr, Morristown, TN 37814
36.2418, -83.3222 (street) · Grid EM86if · CQ 4 · ITU 8 · map ↗
Seen Nov 11, 2017 → Oct 4, 2026 · 37 snapshots · as KN4HCI
BENJAMIN R BUTLER
384 LOCHMERE DR, MORRISTOWN, TN 37814-2184
36.2333, -83.3379 (ZIP center) · Grid EM86hf · CQ 4 · ITU 8 · map ↗
Seen Apr 16, 2022 → Sep 25, 2025 · 11 snapshots · as KX4TQ
BENJAMIN R BUTLER
13471 Higgs Court, Herndon, VA 20171
38.9269, -77.3968 (ZIP center) · Grid FM18hw · CQ 5 · ITU 8 · map ↗

Others requesting KO4BRB

1 application listed KO4BRB as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Oct 30, 2017	Nov 17, 2017	KN4HCI · BENJAMIN R BUTLER · MORRISTOWN, TN	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KO4BRB in the last 24 hours. They show up here within seconds of KO4BRB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.