🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 13, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)
KM4RJH HAM
✅ Available for a vanity request — free since Mar 12, 2018.
2x3 call: any licensee can request it.
No pending applications list it.
Last requested May 17, 2019 as choice 5:
not granted, that applicant got KB4RJH instead.
Not currently held
· 1 holder on record
· available since Mar 12, 2018
Previous holder: Bartlett D Mayo
Held KM4RJH Feb 22, 2016 → Mar 11, 2016
· first licensed Oct 20, 1987 as K0GYO
· 2 licenses · FRN 0025245879 📖 In the printed callbooks since 1958 as K0GYO, before the FCC's online records
KM4RJHCanceledTechnicianFeb 22, 2016 → Mar 11, 2016 (canceled)
From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.
Seen Oct 31, 1994 → Oct 8, 1999 · 10 discs K0GYO
· Technician Plus · issued Oct 20, 1987, expires Oct 20, 1997
PAUL E. MAYO
139 LOS BANOS AVE, WALNUT CREEK, CA 94598
Seen Sep 9, 1993 → May 3, 1994 · 2 discs K0GYO
· Technician · issued Oct 20, 1987, expires Oct 20, 1997
PAUL E MAYO
139 LOS BANOS AVE, WALNUT CREEK, CA 94598
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Mar 16, 2016 → Oct 11, 2026 · 56 snapshots · as KM4RJH
Bartlett D Mayo
2237 Lawnville Rd, Kingston, TN 37763
No APRS positions, PSK Reporter reports or WSPR spots for KM4RJH in the last 24 hours. They show up here within seconds of KM4RJH beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.