N9TPB FCC License Search

🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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

KX4SDW

✅ Available for a vanity request — free since Aug 16, 2022.

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

Not currently held · 1 holder on record · available since Aug 16, 2022

Previous holder: Steven D Whitmire

Held KX4SDW Mar 22, 2019 → Aug 15, 2020 · first licensed Feb 25, 2019 as KN4SOZ · 3 licenses · FRN 0028262624

KY4AO Active Amateur Extra Mar 22, 2019 → expires Mar 22, 2029

Licensee
Steven D Whitmire

Address
153 Whitmire Hill Rd
Liberty, SC 29657
34.8292, -82.7363 (street) · Grid EM84pt · CQ 5 · ITU 8 · map ↗

FRN
0028262624

Previous call
KX4SDW (General)

Last granted
Mar 22, 2019

Effective
Jun 15, 2021

Last action
Jun 15, 2021
FCC actions (3)
- Jun 15, 2021 — FCC action LIAUA
- Aug 15, 2020 — Systematic call sign granted SYSGRT
- Aug 15, 2020 — License issued LIISS
📦 Moved: Liberly, SC → Liberty, SC

KX4SDW Canceled Amateur Extra · vanity Mar 22, 2019 → Aug 15, 2020 (canceled)

Licensee
Steven D Whitmire

Address
153 Whitmire Hill Rd
Liberty, SC 29657
34.8292, -82.7363 (street) · Grid EM84pt · CQ 5 · ITU 8 · map ↗

FRN
0028262624

Previous call
KN4SOZ (General)

Last granted
Mar 22, 2019

Effective
Jun 10, 2020

Last action
Aug 15, 2020
FCC actions (5)
- Aug 15, 2020 — License canceled LICAN
- Jun 10, 2020 — License modified LIMOD
- Jun 9, 2020 — FCC action LIAUA
- Mar 22, 2019 — Vanity call sign granted VANGRT
- Mar 22, 2019 — License issued LIISS
KN4SOZ Canceled General Feb 25, 2019 → Mar 22, 2019 (canceled)

Licensee
STEVEN D WHITMIRE

Address
153 WHITMIRE HILL RD
LIBERLY, SC 29657
34.7671, -82.6866 (ZIP center) · Grid EM84ps · CQ 5 · ITU 8 · map ↗

FRN
0028262624

Last granted
Feb 25, 2019

Effective
Feb 25, 2019

Last action
Mar 22, 2019
FCC actions (3)
- Mar 22, 2019 — License canceled LICAN
- Feb 25, 2019 — License issued LIISS
- Feb 25, 2019 — 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 Apr 16, 2022 → Sep 27, 2026 · 24 snapshots · as KX4SDW
Steven D Whitmire
153 Whitmire Hill Rd, Liberty, SC 29657
34.8292, -82.7363 (street) · Grid EM84pt · CQ 5 · ITU 8 · map ↗
Seen May 6, 2019 → Sep 27, 2026 · 14 snapshots · as KN4SOZ
STEVEN D WHITMIRE
153 WHITMIRE HILL RD, LIBERLY, SC 29657
34.7671, -82.6866 (ZIP center) · Grid EM84ps · CQ 5 · ITU 8 · map ↗

Others requesting KX4SDW

1 application listed KX4SDW as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Mar 4, 2019	Mar 22, 2019	KN4SOZ · STEVEN D WHITMIRE · LIBERLY, SC	1	Granted