N9TPB FCC License Search
🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 5, 2026) · next update today 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

KC4DUH HAM

✅ Available for a vanity request — free since Mar 9, 2000.
2x3 call: any licensee can request it. No pending applications list it.
Last requested Jan 17, 2018 as choice 4: not granted, that applicant got KD4PNO instead.

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

Not currently held · 1 holder on record · available since Mar 9, 2000

Previous holder: GILBERTO LOPEZ

Held KC4DUH Mar 8, 1988 → Mar 8, 1998 · first licensed Mar 8, 1988 as KC4DUH · 1 license · no FRN on file (pre-2001 records)

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

Others requesting KC4DUH

1 application listed KC4DUH as a choice, newest first.

FiledAwardApplicantChoice #KC4DUHResult
Jan 17, 2018 Feb 4, 2018 KN4FKZ · Susan G Bishop · Madison, AL 4Not granted They got KD4PNO (choice 1)

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KC4DUH in the last 24 hours. They show up here within seconds of KC4DUH beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.