N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 5, 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

AC4OK HAM

⏳ Not available yet — opens for vanity requests Jun 6, 2028, two years after the license was canceled (Jun 5, 2026).
2x2 call: only Amateur Extra licensees can request it. No pending applications list it.

📬 QSL: no LoTW uploads on record · eQSL AG member · QRZ · HamQTH

Not currently held · 1 holder on record

Previous holder: DONALD E WHITEHEAD

Held AC4OK Jan 23, 2002 → Jun 5, 2026 · first licensed Jan 23, 2002 as AC4OK · 2 licenses · FRN 0003979507

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

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for AC4OK in the last 24 hours. They show up here within seconds of AC4OK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.