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
W4CTN
Not currently held
· 2 holders on record
Previous holder: Geoffrey Clark
Held W4CTN Dec 10, 2024 → Mar 18, 2025
· first licensed Nov 4, 2023 as KQ4MGB
· 3 licenses · FRN 0034424341
K4LU
Active
Amateur Extra · vanity
Mar 18, 2025 → expires Mar 18, 2035
Licensee Geoffrey Clark
Address 5421 HIGHWAY 100 Unit 50147 Nashville, TN 37205
36.0995, -86.8715 (street) · Grid
EM66nc · CQ 4 · ITU 8 ·
map ↗
FRN 0034424341
Previous call W4CTN (Technician)
Last granted Mar 18, 2025
Effective May 13, 2025
Last action May 13, 2025
FCC actions (3)
May 13, 2025 — FCC action LIAUA Mar 18, 2025 — Vanity call sign granted VANGRT Mar 18, 2025 — License issued LIISS
W4CTN
Canceled
Amateur Extra · vanity
Dec 10, 2024 → Mar 18, 2025 (canceled)
Licensee Geoffrey Clark
Address 5421 HIGHWAY 100 Nashville, TN 37205
36.1132, -86.8704 (ZIP center) · Grid
EM66nc · CQ 4 · ITU 8 ·
map ↗
FRN 0034424341
Previous call KQ4MGB (Technician)
Last granted Dec 10, 2024
Effective Jan 7, 2025
Last action Mar 18, 2025
FCC actions (5)
Mar 18, 2025 — License canceled LICAN Jan 7, 2025 — FCC action LIAUA Jan 6, 2025 — License modified LIMOD Dec 10, 2024 — Vanity call sign granted VANGRT Dec 10, 2024 — License issued LIISS
KQ4MGB
Canceled
Technician
Nov 4, 2023 → Dec 10, 2024 (canceled)
Licensee Geoffrey Clark
Address 5421 HIGHWAY 100 Nashville, TN 37205
36.1132, -86.8704 (ZIP center) · Grid
EM66nc · CQ 4 · ITU 8 ·
map ↗
FRN 0034424341
Last granted Nov 4, 2023
Effective Nov 4, 2023
Last action Dec 10, 2024
FCC actions (3)
Dec 10, 2024 — License canceled LICAN Nov 4, 2023 — License issued LIISS Nov 4, 2023 — 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 29, 2025 → Sep 27, 2026 · 3 snapshots · as K4LU
Geoffrey Clark
5421 HIGHWAY 100 Unit 50147, Nashville, TN 37205
36.0995, -86.8715 (street) · Grid
EM66nc · CQ 4 · ITU 8 ·
map ↗
Seen Apr 27, 2024 → Sep 27, 2026 · 19 snapshots · as KQ4MGB
Geoffrey Clark
5421 HIGHWAY 100, Nashville, TN 37205
36.1132, -86.8704 (ZIP center) · Grid
EM66nc · CQ 4 · ITU 8 ·
map ↗
Previous holder: Radio Gastonia
Held W4CTN Apr 24, 2021 → Jun 18, 2022
· first licensed Sep 16, 2015 as KC1EKG
· 6 licenses · FRN 0024893950
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 · 23 snapshots · as W4CTN
Radio Gastonia
Attn: David M Arruzza 243 Moore Drive, Gastonia, NC 28056
35.1859, -81.0805 (street) · Grid
EM95le · CQ 5 · ITU 8 ·
map ↗
Seen Nov 16, 2015 → Sep 27, 2026 · 79 snapshots · as KC1EKG
Mo Betta Radio Research Group
Attn: David M Arruzza 32 Benz Street, Ansonia, CT 06401
41.3442, -73.0698 (ZIP center) · Grid
FN31li · CQ 5 · ITU 8 ·
map ↗
Vanity requests for W4CTN
3 applications listed W4CTN as a choice, newest first.
Data: FCC Universal Licensing System, amateur service · refreshed nightly
n9tpb.com · 73 de N9TPB