🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 9:45 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
KM4OLX HAM
✅
Available for a vanity request — free since Nov 18, 2017.
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 Nov 18, 2017
Previous holder: Todd C Williams
Held KM4OLX Oct 30, 2015 → Nov 17, 2015
· first licensed Oct 30, 2015 as KM4OLX
· 3 licenses · FRN 0024978355
NE4TW
Active
Amateur Extra · vanity
Mar 18, 2016 → expires Mar 18, 2036
Licensee Todd C Williams
Address PO Box 357214 Gainesville, FL 32635
FRN 0024978355
Previous call W4PTC (General)
Last granted Jan 21, 2026
Effective Jan 21, 2026
Last action Jan 21, 2026
FCC actions (4)
Jan 21, 2026 — License renewed LIREN Apr 10, 2018 — Administrative update LIAUA Mar 18, 2016 — Vanity call sign granted VANGRT Mar 18, 2016 — License issued LIISS
W4PTC
Canceled
Amateur Extra · vanity
Nov 17, 2015 → Mar 18, 2016 (canceled)
Licensee Todd C Williams
Address 1515 NW 39th Dr Gainesville, FL 32605
29.6792, -82.3728 (ZIP center) · Grid
EL89tq · CQ 5 · ITU 8 ·
map ↗
FRN 0024978355
Previous call KM4OLX (General)
Last granted Nov 17, 2015
Effective Mar 1, 2016
Last action Mar 18, 2016
FCC actions (6)
Mar 18, 2016 — License canceled LICAN Mar 1, 2016 — Administrative update LIAUA Feb 18, 2016 — License modified LIMOD Dec 11, 2015 — License modified LIMOD Nov 17, 2015 — Vanity call sign granted VANGRT Nov 17, 2015 — License issued LIISS
KM4OLX
Canceled
Technician
Oct 30, 2015 → Nov 17, 2015 (canceled)
Licensee Todd C Williams
Address 1515 NW 39th Dr Gainesville, FL 32605
29.6792, -82.3728 (ZIP center) · Grid
EL89tq · CQ 5 · ITU 8 ·
map ↗
FRN 0024978355
Last granted Oct 30, 2015
Effective Oct 30, 2015
Last action Nov 17, 2015
FCC actions (3)
Nov 17, 2015 — License canceled LICAN Oct 30, 2015 — License issued LIISS Oct 30, 2015 — 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 7, 2018 → Oct 4, 2026 · 17 snapshots · as NE4TW
Todd C Williams
PO Box 357214 Gainesville, FL 32635
Seen Nov 16, 2015 → Oct 4, 2026 · 70 snapshots · as KM4OLX
Todd C Williams
1515 NW 39th Dr, Gainesville, FL 32605
29.6792, -82.3728 (ZIP center) · Grid
EL89tq · CQ 5 · ITU 8 ·
map ↗
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KM4OLX in the last 24 hours. They show up here within seconds of KM4OLX 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