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

KO4SYO HAM

✅ Available for a vanity request — free since Sep 22, 2023.
2x3 call: any licensee can request it. No pending applications list it.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since Sep 22, 2023

Previous holder: Tonja G Jesko

Held KO4SYO Aug 31, 2021 → Sep 21, 2021 · first licensed Aug 31, 2021 as KO4SYO · 4 licenses · FRN 0031250707

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 KO4SYO in the last 24 hours. They show up here within seconds of KO4SYO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.