🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 13, 2026) · next update today 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)
W0TDK HAM
General classlicensed since 1985 (41 yrs)W0TDK since 2002 · previously WD0AIPSpearfish, SDGrid DN84dl18 repeaters within 50 mi
🔒 Not available — currently licensed, through Jul 6, 2032. If it isn't renewed, it opens for vanity requests Jul 7, 2034.
📝 W0TDK has filed vanity applications before — latest filed Jun 17, 2002 · what was requested
Currently held by Todd D Knutson
· 1 holder on record
Current holder: Todd D Knutson
Held W0TDK Jul 6, 2002 → present
· first licensed Nov 12, 1985 as WD0AIP
· 2 licenses · FRN 0007149321 📖 In the printed callbooks since 1981 as WD0AIP, before the FCC's online records
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 Oct 27, 1996 → Apr 27, 2002 · 11 discs WD0AIP
· Technician Plus · issued Jul 7, 1996, expires Jul 3, 2005
TODD D. KNUTSON .
153 VALLEY DR, SPEARFISH, SD 57783
Seen Oct 26, 1995 → Apr 21, 1996 · 2 discs WD0AIP
· Novice · issued Jul 3, 1995, expires Jul 3, 2005
TODD D KNUTSON .
1020 N CANYON 4, SPEARFISH, SD 57783
Seen Sep 9, 1993 → May 12, 1995 · 4 discs WD0AIP
· Novice · issued Nov 12, 1985, expires Nov 12, 1995
TODD D KNUTSON
209 SO 7TH AVE E, TRUMAN, MN 56088
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen May 27, 2010 → Oct 11, 2026 · 48 snapshots · as W0TDK
Todd D Knutson
20073 Ridgefield Loop, Spearfish, SD 57783
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.
1973 · 1 edition W0TDK · class E
George F Marts 4201 Colvin Dr, St Louis 63123 Mo Winter 1973 p.48
1949 → 1953 · 3 editions W0TDK
Warren C. Blood 1729a Elliott Avenue, St. Louis, MO Summer 1949 p.18, Summer 1950 p.17, Fall 1953 p.41
Vanity Applications Filed by W0TDK
Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.
No APRS positions, PSK Reporter reports or WSPR spots for W0TDK in the last 24 hours. They show up here within seconds of W0TDK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.