N9TPB FCC License Search

🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 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

K4DLU HAM

✅ Available for a vanity request — free since May 25, 2006.

1x3 call: Technician, General, 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 May 25, 2006

Previous holder: DAVID R CARLSON

Held K4DLU May 24, 1994 → May 24, 2004 · first licensed May 24, 1994 as K4DLU · 1 license · no FRN on file (pre-2001 records)

K4DLU Expired General May 24, 1994 → May 24, 2004 (expired)

Licensee
DAVID R CARLSON

Address
437 W LEMON AVE
ARCADIA, CA 91007
34.1283, -118.0477 (ZIP center) · Grid DM04xd · CQ 3 · ITU 6 · map ↗

Last granted
May 24, 1994

Effective
May 24, 1994

Last action
May 25, 2006
FCC actions (1)
- May 25, 2006 — License expired LIEXP

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 K4DLU
DAVID R CARLSON
437 W LEMON AVE, ARCADIA, CA 91007
34.1283, -118.0477 (ZIP center) · Grid DM04xd · CQ 3 · ITU 6 · map ↗

Others requesting K4DLU

1 application listed K4DLU as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 13, 2016	May 31, 2016	KM4TTN · Lipscomb Engineering Amateur Radio Club · Nashville, TN	3	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K4DLU in the last 24 hours. They show up here within seconds of K4DLU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.