N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 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

SANDRA B MACKAY

FRN 0004392403 · first licensed Mar 28, 2001 as WI0J · 1 license on record

📝 FCC applications (2)

Received	File number	Service	Purpose	Status	Call
Apr 29, 2004	0001718456	HAM	Administrative update	Granted	WI0J
Mar 28, 2001	0000411506	HAM	Renewal + modification	Granted	WI0J

Complete licensing history

WI0J Expired Amateur Extra Mar 28, 2001 → Jun 25, 2011 (expired)

Licensee
SANDRA B MACKAY

Address
PO Box 7244
BOULDER, CO 80306

FRN
0004392403

Last granted
Mar 28, 2001

Effective
Apr 30, 2004

Last action
Jun 26, 2013
FCC actions (4)
- Jun 26, 2013 — License expired LIEXP
- Apr 30, 2004 — Administrative update LIAUA
- Mar 28, 2001 — License renewed LIREN
- Mar 28, 2001 — FCC action LITIN

Address history

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

Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as WI0J
SANDRA B MACKAY
PO Box 7244
BOULDER, CO 80306