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

K3DXI HAM

✅ Available for a vanity request — free since Dec 11, 2003.

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 Dec 11, 2003

Previous holder: HENRY L MAPPS

Held K3DXI Dec 10, 1991 → Dec 10, 2001 · first licensed Dec 10, 1991 as K3DXI · 1 license · no FRN on file (pre-2001 records)

K3DXI Expired Advanced Dec 10, 1991 → Dec 10, 2001 (expired)

Licensee
HENRY L MAPPS

Address
5324 WALTON AVE
PHILADELPHIA, PA 19143
39.9438, -75.2266 (ZIP center) · Grid FM29jw · CQ 5 · ITU 8 · map ↗

Last granted
Dec 10, 1991

Effective
Dec 10, 1991

Last action
Dec 11, 2003
FCC actions (1)
- Dec 11, 2003 — 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 → Oct 4, 2026 · 48 snapshots · as K3DXI
HENRY L MAPPS
5324 WALTON AVE, PHILADELPHIA, PA 19143
39.9438, -75.2266 (ZIP center) · Grid FM29jw · CQ 5 · ITU 8 · map ↗

Others requesting K3DXI

1 application listed K3DXI as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jul 11, 2019	Jul 29, 2019	KE4OZO · JAMES S ADAMS · Cordova, TN	5	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K3DXI in the last 24 hours. They show up here within seconds of K3DXI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.