N9TPB FCC License Search
🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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

KO4IDA

⏳ Not available yet — opens for vanity requests Jul 25, 2028, two years after the license was canceled (Jul 24, 2026).
2x3 call: any licensee can request it. No pending applications list it.

📬 QSL: LoTW user, last upload Nov 30, 2020 · not eQSL AG

Not currently held · 1 holder on record

Previous holder: John C Defant

Held KO4IDA Oct 6, 2020 → Jul 24, 2026 · first licensed Oct 6, 2020 as KO4IDA · 2 licenses · FRN 0030049795

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 KO4IDA in the last 24 hours. They show up here within seconds of KO4IDA beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.