🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 14, 2026) · next update today 8:30 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)
WD0ALO HAM
✅ Available for a vanity request — free since Mar 6, 2026.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Mar 6, 2026
Previous holder: MARTIN E SUTTON
Held WD0ALO Jan 13, 1984 → Mar 5, 2024
· first licensed Jan 13, 1984 as WD0ALO
· 1 license · FRN 0004103933 📖 In the printed callbooks since 1981 as WD0ALO, before the FCC's online records
WD0ALOExpiredGeneralJan 13, 1984 → Mar 5, 2024 (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 May 3, 1994 → Apr 17, 2003 · 18 discs WD0ALO
· General · issued Jan 18, 1994, expires Jan 18, 2004
MARTIN E. SUTTON
4170 WOLFF, DENVER, CO 80212
Seen Sep 9, 1993 · 1 disc WD0ALO
· General · issued Jan 13, 1984, expires Jan 13, 1994
MARTIN E SUTTON
4170 WOLFF, DENVER, CO 80212
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 WD0ALO
MARTIN E SUTTON
4170 WOLFF, DENVER, CO 80212
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.
None → 1994 · 8 editions WD0ALO · class G
Martin E Sutton 4170 Wolff, Denver None p.1097, Winter 1980 p.5, 1981 p.1027, Winter 1982 p.6, Winter 1983 p.5, Winter 1984 p.5, Winter 1986 p.4, 1994 p.4
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for WD0ALO in the last 24 hours. They show up here within seconds of WD0ALO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.