🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 15, 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)
KB0ZJO HAM
✅ Available for a vanity request — free since Jan 8, 2000.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Jan 8, 2000
Previous holder: ROBERT R KRCHNAVEK
Held KB0ZJO Jan 14, 1997 → Jan 7, 1998
· first licensed Jan 14, 1997 as KB0ZJO
· 1 license · no FRN on file (pre-2001 records)
KB0ZJOCanceledTechnician PlusJan 14, 1997 → Jan 7, 1998 (canceled)
Licensee
ROBERT R KRCHNAVEK
Address
Last granted
Effective
Last action
Callbook Records, 1993–2003
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 4, 1997 · 1 disc KB0ZJO
· Technician Plus · issued Jan 14, 1997, expires Jan 14, 2007
ROBERT R KRCHNAVEK
607 RAINBOW CIR CT, BALLWIN, MO 63011
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 11, 2026 · 49 snapshots · as KB0ZJO
ROBERT R KRCHNAVEK
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KB0ZJO in the last 24 hours. They show up here within seconds of KB0ZJO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.