🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 19, 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)
KA1UDH HAM
✅ Available for a vanity request — free since Jun 14, 2001.
2x3 call: any licensee can request it.
No pending applications list it.
Last requested Feb 3, 2010 as choice 4:
not granted, that applicant got N1ETG instead.
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 Sep 9, 1993 → Apr 13, 2001 · 15 discs KA1UDH
· Novice · issued Jun 13, 1989, expires Jun 13, 1999
ERNEST L. CASTLE IV
95 CRAWFORD ST, MANCHESTER, NH 03103
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 KA1UDH
ERNEST L CASTLE IV
95 CRAWFORD ST, MANCHESTER, NH 03103
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.
1992 → 1997 · 6 editions KA1UDH · class N
Ernest L Castle Iv 95 Crawford St, Manchester Nh Oj!oj Ka 1 Ugh G Thomas V Amann Sr, 21b New Hanover Ave, Meriden, CT 06450 1992 p.197, Winter 1993 p.213, 1994 p.224, Winter 1995 p.239, 1996 p.248, 1997 p.254
Others Requesting KA1UDH
1 application listed KA1UDH as a choice, newest first.
No APRS positions, PSK Reporter reports or WSPR spots for KA1UDH in the last 24 hours. They show up here within seconds of KA1UDH beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.