🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 13, 2026) · next update today 7:15 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)
KR4DOO HAM
⏳ Not available yet — opens for vanity requests May 21, 2027, two years after the license was canceled (May 20, 2025).
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 May 3, 1994 → Apr 17, 2003 · 18 discs KD4QOK
· General · issued Dec 28, 1993, expires Dec 28, 2003
LAWRENCE E. BURKHALTER
RT 2 BOX 113, MIDLAND CITY, AL 36350
Seen Sep 9, 1993 · 1 disc KD4QOK
· Technician · issued Jul 7, 1992, expires Jul 7, 2002
LAWRENCE E BURKHALTER
RT 2 BOX 113, MIDLAND CITY, AL 36350
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen May 29, 2025 → Oct 11, 2026 · 10 snapshots · as KR4DOO
Lawrence E Burkhalter
8316 Co Rd 99, Newville, AL 36353
No APRS positions, PSK Reporter reports or WSPR spots for KR4DOO in the last 24 hours. They show up here within seconds of KR4DOO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.