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

K4ZK HAM

Club licensed since 2006 (20 yrs) Stuart, FL LoTW user eQSL AG

🔒 Not available — currently licensed, through Aug 17, 2028. If it isn't renewed, it opens for vanity requests Aug 18, 2030.

📬 QSL: LoTW user · last upload Jan 26, 2026 · eQSL AG member · QRZ · HamQTH

Currently held by MARTIN COUNTY AMATEUR RADIO ASSOCIATION · 1 holder on record

Current holder: MARTIN COUNTY AMATEUR RADIO ASSOCIATION

Held K4ZK May 15, 2006 → present · first licensed May 15, 2006 as K4ZK · 1 license · FRN 0015053283

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

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K4ZK in the last 24 hours. They show up here within seconds of K4ZK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.