N9TPB FCC License Search

🕒 FCC license data updated yesterday 6:02 am CDT (FCC files through Oct 2, 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

KN4DF HAM

✅ Available for a vanity request — free since Jan 10, 2012.

2x2 call: Advanced and Amateur Extra licensees 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 Jan 10, 2012

Previous holder: RALPH L HERNDON

Held KN4DF Oct 13, 1999 → Jan 9, 2010 · first licensed Oct 13, 1999 as KN4DF · 1 license · FRN 0002671014

KN4DF Expired Advanced Oct 13, 1999 → Jan 9, 2010 (expired)

Licensee
RALPH L HERNDON

Address
4647 IRONBRIDGE DR
LEXINGTON, KY 40515
37.9156, -84.4122 (ZIP center) · Grid EM77tv · CQ 4 · ITU 8 · map ↗

FRN
0002671014

Previous call
KB4VOY (General)

Last granted
Oct 13, 1999

Effective
Oct 13, 1999

Last action
Jan 10, 2012
FCC actions (2)
- Jan 10, 2012 — License expired LIEXP
- Oct 13, 1999 — License renewed LIREN

Address history

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

Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as KN4DF
RALPH L HERNDON
4647 IRONBRIDGE DR, LEXINGTON, KY 40515
37.9156, -84.4122 (ZIP center) · Grid EM77tv · CQ 4 · ITU 8 · map ↗

Others requesting KN4DF

1 application listed KN4DF as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Aug 5, 2024	Aug 23, 2024	KQ4HDF · Timothy M Capps · Fayetteville, NC	4	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KN4DF in the last 24 hours. They show up here within seconds of KN4DF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.