🕒 FCC license data updated yesterday 6:02 am CDT (FCC files through Oct 16, 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)
KG6CRF HAM
✅ Available for a vanity request — free since Aug 4, 2012.
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 Oct 31, 2000 → Apr 17, 2003 · 6 discs KG6CRF
· Technician · issued Aug 3, 2000, expires Aug 3, 2010
DUANE RIFFENBURGH
PO BOX 2518, BIG BEAR CITY, CA 92314
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 KG6CRF
Duane Riffenburgh
PO Box 2518 Big Bear City, CA 92314
No APRS positions, PSK Reporter reports or WSPR spots for KG6CRF in the last 24 hours. They show up here within seconds of KG6CRF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.