🕒 FCC license data updated yesterday 9:42 am CDT (FCC files through Sep 30, 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
KD7OA HAM
✅
Available for a vanity request — free since Dec 16, 2017.
2x2 call: Advanced and Amateur Extra licensees can request it.
No pending applications list it.
Not currently held
· 2 holders on record
· available since Dec 16, 2017
Previous holder: CHARLES M PRESTON
Held KD7OA Sep 29, 2015 → Dec 15, 2015
· first licensed Sep 5, 2007 as KL7OA
· 3 licenses · FRN 0016887291
K7TAA
Active
Amateur Extra · vanity
Dec 15, 2015 → expires Dec 15, 2035
Licensee CHARLES M PRESTON
Address Attn: Charles Preston 608 Scott Street Troy, ID 83871
46.7424, -116.7655 (street) · Grid
DN16or · CQ 3 · ITU 6 ·
map ↗
FRN 0016887291
Previous call KD7OA
Last granted Sep 30, 2025
Effective Sep 30, 2025
Last action Sep 30, 2025
FCC actions (3)
Sep 30, 2025 — License renewed LIREN Dec 15, 2015 — Vanity call sign granted VANGRT Dec 15, 2015 — License issued LIISS
KD7OA
Canceled
Amateur Extra · vanity
Sep 29, 2015 → Dec 15, 2015 (canceled)
Licensee CHARLES M PRESTON
Address Attn: Charles Preston PO Box 113 608 Scott Street Troy, ID 83871
46.7424, -116.7655 (street) · Grid
DN16or · CQ 3 · ITU 6 ·
map ↗
FRN 0016887291
Previous call KL7OA
Last granted Sep 29, 2015
Effective Sep 29, 2015
Last action Dec 15, 2015
FCC actions (3)
Dec 15, 2015 — License canceled LICAN Sep 29, 2015 — Vanity call sign granted VANGRT Sep 29, 2015 — License issued LIISS
KL7OA
Canceled
Amateur Extra
Sep 5, 2007 → Sep 29, 2015 (canceled)
Licensee CHARLES M PRESTON
Address Attn: Charles Preston PO Box 113 608 Scott Street Troy, ID 83871
46.7424, -116.7655 (street) · Grid
DN16or · CQ 3 · ITU 6 ·
map ↗
FRN 0016887291
Last granted Sep 5, 2007
Effective Feb 24, 2015
Last action Sep 29, 2015
FCC actions (7)
Sep 29, 2015 — License canceled LICAN Feb 24, 2015 — Administrative update LIAUA Jun 17, 2014 — Administrative update LIAUA Aug 28, 2012 — Administrative update LIAUA May 25, 2010 — Administrative update LIAUA Sep 14, 2007 — FCC action ESUFRN Sep 5, 2007 — License renewed LIREN
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Sep 27, 2026 · 1 snapshot · as K7TAA
CHARLES M PRESTON
Attn: Charles Preston 608 Scott Street, Troy, ID 83871
46.7424, -116.7655 (street) · Grid
DN16or · CQ 3 · ITU 6 ·
map ↗
Seen Mar 28, 2015 → Sep 27, 2026 · 93 snapshots · as KL7OA
CHARLES M PRESTON
Attn: Charles Preston PO Box 113 608 Scott Street, Troy, ID 83871
46.7424, -116.7655 (street) · Grid
DN16or · CQ 3 · ITU 6 ·
map ↗
Seen Feb 18, 2013 → May 22, 2014 · 6 snapshots · as KL7OA
CHARLES M PRESTON
Attn: Charles Preston 210 Boise Street, Middleton, ID 83644
43.7472, -116.5841 (ZIP center) · Grid
DN13qr · CQ 3 · ITU 6 ·
map ↗
Seen Oct 17, 2011 → Jul 26, 2012 · 4 snapshots · as KL7OA
CHARLES M PRESTON
Attn: Charles Preston 3705 Arctic Blvd #217, ANCHORAGE, AK 99503
62.0437, -158.1745 (ZIP center) · Grid
BP02vb · CQ 1 · ITU 1 ·
map ↗
Seen May 27, 2010 · 1 snapshot · as KL7OA
CHARLES M PRESTON
Attn: Charles Preston PO Box 240027 ANCHORAGE, AK 99524-0027
Seen Nov 7, 2004 · 1 snapshot · as KL7OA
CHARLES M PRESTON
BOX 240027, ANCHORAGE, AK 99524-0027
Previous holder: WILLIAM L WILCOX
Held KD7OA Aug 9, 1988 → Aug 9, 1998
· first licensed Aug 9, 1988 as KD7OA
· 1 license · no FRN on file (pre-2001 records)
KD7OA
Expired
Advanced
Aug 9, 1988 → Aug 9, 1998 (expired)
Licensee WILLIAM L WILCOX
Address PO Box 102 COLTON, OR 97017
45.1730, -122.3686 (ZIP center) · Grid
CN85te · CQ 3 · ITU 6 ·
map ↗
Previous call KA7KVT (General)
Last granted Aug 9, 1988
Effective Aug 9, 1988
Last action Aug 10, 2000
FCC actions (1)
Aug 10, 2000 — License expired LIEXP
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as KD7OA
WILLIAM L WILCOX
PO Box 102 COLTON, OR 97017
45.1730, -122.3686 (ZIP center) · Grid
CN85te · CQ 3 · ITU 6 ·
map ↗
Others requesting KD7OA
1 application listed KD7OA as a choice, newest first.
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KD7OA in the last 24 hours. They show up here within seconds of KD7OA beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
Data: FCC Universal Licensing System (amateur & GMRS), RepeaterBook, NetLogger and more · site status
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