N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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

KA4GSR HAM

⏳ Not available yet — opens for vanity requests May 6, 2028, two years after the license was canceled (May 5, 2026).
2x3 call: any licensee can request it. No pending applications list it.

📬 QSL: LoTW user · last upload Mar 4, 2026 · eQSL AG member · QRZ · HamQTH

Not currently held · 1 holder on record

Previous holder: DAVID L KERR

Held KA4GSR May 14, 2007 → May 5, 2026 · first licensed May 14, 2007 as KA4GSR · 2 licenses · FRN 0016478992

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 KA4GSR in the last 24 hours. They show up here within seconds of KA4GSR beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.