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

MARTIN COUNTY AMATEUR RADIO ASSOCIATION

FRN 0015053283 · first licensed May 15, 2006 as K4ZK · 1 license on record

📝 FCC applications (6)

Received	File number	Service	Purpose	Status	Call
Jul 12, 2018	0008281779	HAM	Modification	Granted	K4ZK
Jul 9, 2018	0008278029	HAM	Renewal	Granted	K4ZK
May 3, 2016	0007253688	HAM	Modification	Granted	K4ZK
Jun 28, 2010	0004300649	HAM	Modification	Granted	K4ZK
Aug 21, 2008	0003557052	HAM	Renewal	Granted	K4ZK
May 15, 2006	0002610153	HAM	Modification	Granted	K4ZK

Complete licensing history

K4ZK Active Club / other · vanity May 15, 2006 → expires Aug 17, 2028

Licensee
MARTIN COUNTY AMATEUR RADIO ASSOCIATION

Address
Attn: Stephen C Sprayberry
PO Box 1901
Stuart, FL 34995

FRN
0015053283

Previous call
KF4NTR

Trustee
W4SPR

Last granted
Jul 9, 2018

Effective
Jul 12, 2018

Last action
Mar 18, 2024
FCC actions (7)
- Jul 12, 2018 — License modified LIMOD
- Jul 9, 2018 — License renewed LIREN
- May 3, 2016 — License modified LIMOD
- Jun 28, 2010 — License modified LIMOD
- Aug 23, 2008 — License renewed LIREN
- May 15, 2006 — License modified LIMOD
- May 15, 2006 — 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 K4ZK
MARTIN COUNTY AMATEUR RADIO ASSOCIATION
Attn: Stephen C Sprayberry
PO Box 1901
Stuart, FL 34995