🕒 FCC license data updated yesterday 8:30 am CDT (FCC files through Oct 1, 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
KJ4MFX HAM
✅
Available for a vanity request — free since Jun 2, 2011.
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 Jun 2, 2011
Previous holder: Larry E Gray
Held KJ4MFX May 19, 2009 → Jun 1, 2009
· first licensed May 19, 2009 as KJ4MFX
· 5 licenses · FRN 0018769653
KX4NX
Active
Amateur Extra · vanity
Mar 7, 2026 → expires Mar 7, 2036
Licensee Larry E Gray
Address 210 London Dr SE Arab, AL 35016
34.3122, -86.4726 (street) · Grid
EM64sh · CQ 4 · ITU 8 ·
map ↗
FRN 0018769653
Previous call KZ4ZQ
Last granted Mar 7, 2026
Effective Mar 7, 2026
Last action Mar 7, 2026
FCC actions (2)
Mar 7, 2026 — Vanity call sign granted VANGRT Mar 7, 2026 — License issued LIISS
KZ4ZQ
Canceled
Amateur Extra
Feb 14, 2026 → Mar 7, 2026 (canceled)
Licensee Larry E Gray
Address 210 London Dr SE Arab, AL 35016
34.3122, -86.4726 (street) · Grid
EM64sh · CQ 4 · ITU 8 ·
map ↗
FRN 0018769653
Last granted Feb 14, 2026
Effective Feb 14, 2026
Last action Mar 7, 2026
FCC actions (3)
Mar 7, 2026 — License canceled LICAN Feb 14, 2026 — License issued LIISS Feb 14, 2026 — Systematic call sign granted SYSGRT
NX4DX
Expired
Amateur Extra · vanity
Jun 24, 2011 → Jun 24, 2021 (expired)
Licensee Larry E Gray
Address 210 London Dr Se Arab, AL 35016
34.3122, -86.4726 (street) · Grid
EM64sh · CQ 4 · ITU 8 ·
map ↗
FRN 0018769653
Previous call AJ4QN (Technician)
Last granted Jun 24, 2011
Effective Jun 24, 2011
Last action Jul 12, 2023
FCC actions (3)
Jul 12, 2023 — License expired LIEXP Jun 24, 2011 — Vanity call sign granted VANGRT Jun 24, 2011 — License issued LIISS
AJ4QN
Canceled
Amateur Extra
May 19, 2009 → Jun 24, 2011 (canceled)
Licensee Larry E Gray
Address 210 London Dr Se Arab, AL 35016
34.3122, -86.4726 (street) · Grid
EM64sh · CQ 4 · ITU 8 ·
map ↗
FRN 0018769653
Previous call KJ4MFX (Technician)
Last granted May 19, 2009
Effective Jun 1, 2009
Last action Jun 24, 2011
FCC actions (3)
Jun 24, 2011 — License canceled LICAN Jun 1, 2009 — Systematic call sign granted SYSGRT Jun 1, 2009 — License issued LIISS
KJ4MFX
Canceled
Amateur Extra
May 19, 2009 → Jun 1, 2009 (canceled)
Licensee Larry E Gray
Address 210 London Dr Se Arab, AL 35016
34.3122, -86.4726 (street) · Grid
EM64sh · CQ 4 · ITU 8 ·
map ↗
FRN 0018769653
Last granted May 19, 2009
Effective Jun 1, 2009
Last action Jun 1, 2009
FCC actions (3)
Jun 1, 2009 — License canceled LICAN May 19, 2009 — License issued LIISS May 19, 2009 — 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 27, 2010 → Sep 27, 2026 · 139 snapshots · as KJ4MFX
Larry E Gray
210 London Dr Se, Arab, AL 35016
34.3122, -86.4726 (street) · Grid
EM64sh · CQ 4 · ITU 8 ·
map ↗
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KJ4MFX in the last 24 hours. They show up here within seconds of KJ4MFX 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