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

CHARLES O PORTER

FRN 0012036737 · first licensed Nov 2, 2004 as N6JOA · 1 license on record

📝 FCC applications (4)

Received	File number	Service	Purpose	Status	Call
Aug 21, 2018	0008326110	HAM	Renewal	Granted	N6JOA
Mar 15, 2010	0004167033	HAM	Modification	Granted	N6JOA
Sep 4, 2008	0003568444	HAM	Renewal	Granted	N6JOA
Nov 1, 2004	0001919774	HAM	Duplicate license	Granted	N6JOA

Complete licensing history

N6JOA Active General Nov 2, 2004 → expires Sep 11, 2028

Licensee
CHARLES O PORTER

Address
PO Box 73561
DAVIS, CA 95617-3561

FRN
0012036737

Last granted
Aug 22, 2018

Effective
Aug 22, 2018

Last action
Aug 22, 2018
FCC actions (4)
- Aug 22, 2018 — License renewed LIREN
- Mar 15, 2010 — License modified LIMOD
- Sep 4, 2008 — License renewed LIREN
- Nov 2, 2004 — FCC action LTSFRN

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 N6JOA
CHARLES O PORTER
PO Box 73561
DAVIS, CA 95617-3561