🕒 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
KQ4MGB HAM
⏳
Not available yet — opens for vanity requests
Dec 11, 2026 , two years after the license was canceled (Dec 10, 2024).
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
Previous holder: Geoffrey Clark
Held KQ4MGB Nov 4, 2023 → Dec 10, 2024
· 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 — Administrative update 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 — Administrative update 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 → Oct 4, 2026 · 4 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 → Oct 4, 2026 · 21 snapshots · as KQ4MGB
Geoffrey Clark
5421 HIGHWAY 100, Nashville, TN 37205
36.1132, -86.8704 (ZIP center) · Grid
EM66nc · CQ 4 · ITU 8 ·
map ↗
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KQ4MGB in the last 24 hours. They show up here within seconds of KQ4MGB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
Data: FCC Universal Licensing System (amateur & GMRS), NetLogger and more · site status
n9tpb.com · 73 de N9TPB