🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 26, 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)
KB0SEF HAM
✅ Available for a vanity request — free since Sep 29, 2000.
2x3 call: any licensee can request it.
No pending applications list it.
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 Apr 17, 2003 · 1 disc KB9TLV
· Technician · issued Feb 11, 2003, expires Apr 20, 2005
· previously KB0SEF
JOHN B MC DONALD
23 1/2 AVE - UNIT 863, CUMBERLAND, WI 54829
Seen Nov 11, 1998 → Oct 25, 2002 · 9 discs KB9TLV
· Technician · issued Sep 28, 1998, expires Apr 20, 2005
· previously KB0SEF
JOHN B. MC DONALD
PO BOX 1002, CUMBERLAND, WI 54829
Seen May 12, 1995 → Mar 9, 1998 · 6 discs KB0SEF
· Technician · issued Apr 20, 1995, expires Apr 20, 2005
JOHN B MC DONALD
1640 ROSS AVE, ST PAUL, MN 55155106
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen May 27, 2010 → Oct 25, 2026 · 50 snapshots · as KB9TLV
JOHN B MC DONALD
23 AND 1 HALF AVE UNIT 750, CUMBERLAND, WI 54829
No APRS positions, PSK Reporter reports or WSPR spots for KB0SEF in the last 24 hours. They show up here within seconds of KB0SEF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.