🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 15, 2026) · next update today 9:45 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)
KA1SRU HAM
✅ Available for a vanity request — free since Apr 17, 2011.
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 Apr 13, 2001 → Apr 17, 2003 · 5 discs KA1SRU
· Novice · issued Nov 3, 2000, expires Apr 16, 2009
DAVID A. JOHNSON
2520 11TH AVE WEST, BRADENTON, FL 34205
Seen Mar 9, 1998 → Oct 31, 2000 · 6 discs KA1SRU
· Novice · issued Nov 8, 1988, expires Nov 8, 1998
DAVID A. JOHNSON
PO BOX 283, GALES FERRY, CT 06335
Seen Sep 9, 1993 → Apr 4, 1997 · 8 discs KA1SRU
· Novice · issued Nov 8, 1988, expires Nov 8, 1998
DAVID A JOHNSON
POB 283, GALES FERRY, CT 06335
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 KA1SRU
DAVID A JOHNSON
2520 11TH AVE WEST, BRADENTON, FL 34205
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.
1994 · 1 edition KA1SRU · class N
David A Johnson Pob 283, Gales Ferry, CT 06335 1994 p.220
1992 · 1 edition KA1SRU · class N
David A Johnson Rob 183, Gales Ferry 1992 p.192
1991 · 1 edition KA1SRU · class T
Eleanor M Reha 7431 S Upham St, Littleton, CO 80113 Winter 1991 p.97
1990 · 1 edition KA1SRU · class N
David A Johnson Pob 283, Gales Feny, CT 06335 Winter 1990 p.177
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KA1SRU in the last 24 hours. They show up here within seconds of KA1SRU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.