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

KO4CRN HAM

⏳ Not available yet — opens for vanity requests Jun 30, 2028, two years after the license was canceled (Jun 29, 2026).
2x3 call: any licensee can request it. No pending applications list it.

📬 QSL: LoTW user · last upload Jul 5, 2026 · eQSL AG member · QRZ · HamQTH

Not currently held · 1 holder on record

Previous holder: LEE M OLYNIEC

Held KO4CRN Mar 17, 2020 → Jun 29, 2026 · first licensed Mar 17, 2020 as KO4CRN · 2 licenses · FRN 0029333697

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 KO4CRN in the last 24 hours. They show up here within seconds of KO4CRN beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.