N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 29, 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)

DENNIS V MATTSON

FRN 0010468171 · first licensed Feb 27, 2004 as KC9FMY · 1 license on record

📝 FCC Applications (3)

Received	File number	Service	Purpose	Status	Call
Dec 2, 2013	0006038726	HAM	Renewal	Granted	KC9FMY
Jun 12, 2007	0003067139	HAM	Modification	Granted	KC9FMY
Feb 27, 2004	0001635328	HAM	New license	Granted	KC9FMY

Complete Licensing History

KC9FMY Expired General Feb 27, 2004 → Mar 5, 2024 (expired)

Licensee
DENNIS V MATTSON

Address
PO Box 501
MADISON, WI 53701-0501

FRN
0010468171

Last granted
Dec 2, 2013

Effective
Dec 2, 2013

Last action
Mar 6, 2026
FCC actions (4)
- Mar 6, 2026 — License expired LIEXP
- Dec 2, 2013 — License renewed LIREN
- Jun 12, 2007 — License modified LIMOD
- Feb 27, 2004 — License issued LIISS

Address history

From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Seen Nov 7, 2004 → Oct 25, 2026 · 51 snapshots · as KC9FMY
Dennis V Mattson
PO Box 501
Madison, WI 53701-0501