🕒 FCC license data updated today 7:16 am CDT (FCC files through Oct 22, 2026) · next update tomorrow 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)
KA9ZRT HAM
✅ Available for a vanity request — free since Sep 30, 2009.
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 Mar 9, 1998 → Apr 17, 2003 · 11 discs KA9ZRT
· Technician Plus · issued Sep 29, 1997, expires Sep 29, 2007
HAROLD C. RIGGLE
4553 W 600 N; PO BOX 508, HUNTINGTON, IN 46750
Seen Oct 31, 1994 → Apr 4, 1997 · 6 discs KA9ZRT
· Technician Plus · issued Mar 29, 1988, expires Mar 29, 1998
HAROLD C RIGGLE
4553 W 600 N, HUNTINGTON, IN 46750
Seen Sep 9, 1993 → May 3, 1994 · 2 discs KA9ZRT
· Technician · issued Mar 29, 1988, expires Mar 29, 1998
HAROLD C RIGGLE
4553 W 600 N, HUNTINGTON, IN 46750
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 18, 2026 · 50 snapshots · as KA9ZRT
HAROLD C RIGGLE
PO Box 508 4553 W 600 N, HUNTINGTON, IN 46750
From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.
1997 · 1 edition KA9ZRT · class T
Harold C Riagle 455 600 N, Huntiniton, IN 46750 1997 p.1982
1996 · 1 edition KA9ZRT · class T
Harold C Ri Gie 4553 W 600 N Huntiniton, IN 46150 1996 p.1909
1990 → 1994 · 4 editions KA9ZRT · class T
Harold C Riggle 4553 W 600 N, Huntington, IN 46750 Winter 1990 p.1309, Winter 1991 p.1418, 1992 p.1477, 1994 p.1701
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KA9ZRT in the last 24 hours. They show up here within seconds of KA9ZRT beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.