🕒 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)
KA4TDH HAM
✅ Available for a vanity request — free since Nov 7, 2002.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Nov 7, 2002
Previous holder: JOHN H SMITH
Held KA4TDH Nov 6, 1990 → Nov 6, 2000
· first licensed Nov 6, 1990 as KA4TDH
· 1 license · no FRN on file (pre-2001 records)
📖 In the printed callbooks since 1983 as KA4TDH, before the FCC's online records
KA4TDHExpiredTechnician PlusNov 6, 1990 → Nov 6, 2000 (expired)
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 → Oct 25, 2002 · 10 discs KA4TDH
· Technician Plus · issued Nov 6, 1990, expires Nov 6, 2000
JOHN H. SMITH
PO BOX 1175, DAHLGREN, VA 22448
Seen Oct 31, 1994 → Apr 4, 1997 · 6 discs KA4TDH
· Technician Plus · issued Nov 6, 1990, expires Nov 6, 2000
JOHN H SMITH
POB 1175, DAHLGREN, VA 22448
Seen Sep 9, 1993 → May 3, 1994 · 2 discs KA4TDH
· Technician · issued Nov 6, 1990, expires Nov 6, 2000
JOHN H SMITH
POB 1175, DAHLGREN, VA 22448
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 KA4TDH
JOHN H SMITH
PO Box 1175 DAHLGREN, VA 22448
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 KA4TDH · class T
John H Smith Pob Ll75, Dahlgren, VA 11448 1997 p.857
1996 · 1 edition KA4TDH · class T
John H Smith Pob 1175, Dahlgren, VA 22448 1996 p.827
1995 · 1 edition KA4TDH · class T
John H Smith Pob !!75, Dahlgren, VA 22448 1995 p.831
1987 → 1990 · 3 editions KA4TDH · class T
John H Smith 56-F Hunters Glen, Delran, NJ 08075 Winter 1987 p.571, Winter 1989 p.592, Winter 1990 p.594
1986 · 1 edition KA4TDH · class T
John H Smith 5b-F Hunters Glen, Delran, NJ 08075 Winter 1986 p.566
1985 · 1 edition KA4TDH · class T
John Hsmith 56-F Hunters Glen, Delran, NJ 08075 Winter 1985 p.566
1983 · 1 edition KA4TDH · class T
John H Smith 419 Chesire A N, Virginia Beach, VA 23454 Winter 1983 p.539
None · 1 edition KA4TDH · class T
John H Smith 419 Chesire Ct N, Virginia Beach, VA 23454 None p.464
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KA4TDH in the last 24 hours. They show up here within seconds of KA4TDH beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.