🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 11, 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)
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 WO1Z
· Amateur Extra · issued Mar 9, 2001, expires Feb 12, 2011
· previously KC1WR
FRANK E. GUPTILL
281 PINEHURST RD, WEST HARTLAND, CT 06091
Seen Sep 9, 1993 → Oct 31, 2000 · 14 discs WO1Z
· Amateur Extra · issued Feb 12, 1991, expires Feb 12, 2001
· previously KC1WR(Advanced)
FRANK E. GUPTILL
49 RIVEREDGE DR, WINSTED, CT 06098
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 WO1Z
Frank E Guptill
281 Pinehurst Rd, West Hartland, CT 06091
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 WO1Z · class E
Frank E Guptill 49 Riveredge Or, Winsted, CT 06098 1994 p.236
1993 · 1 edition WO1Z · class E
Walter P Davenport 1619 Guthrie St, Virginia Beach, VA 13464 1993 p.224
1991 · 1 edition WO1Z · class E
Bud Amsden 23 Grant Hill Rd, Tolland, CT 06084 Winter 1991 p.205
1989 · 1 edition WO1Z · class N
Emil J Hafner 1134 Otlio St, West Saint Paul, MN 55118 Winter 1989 p.72
1982 · 1 edition WO1Z · class E
Thomas L Zapf 951 Rainbow Way, Boulder, CO 80303 Winter 1982 p.89
Vanity Applications Filed by WO1Z
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 WO1Z in the last 24 hours. They show up here within seconds of WO1Z beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.