N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 1, 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

N3RDB HAM

✅ Available for a vanity request — free since Dec 22, 2005.

1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it. No pending applications list it.

Not currently held · 1 holder on record · available since Dec 22, 2005

Previous holder: RICHARD HAMBURGER

Held N3RDB Dec 21, 1993 → Dec 21, 2003 · first licensed Dec 21, 1993 as N3RDB · 1 license · no FRN on file (pre-2001 records)

N3RDB Expired Technician Dec 21, 1993 → Dec 21, 2003 (expired)

Licensee
RICHARD HAMBURGER

Address
14900 SPRINGFIELD RD
GERMANTOWN, MD 20874
39.1331, -77.3018 (ZIP center) · Grid FM19id · CQ 5 · ITU 8 · map ↗

Last granted
Dec 21, 1993

Effective
Dec 21, 1993

Last action
Jan 4, 2006
FCC actions (1)
- Jan 4, 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 N3RDB
RICHARD HAMBURGER
14900 SPRINGFIELD RD, GERMANTOWN, MD 20874
39.1331, -77.3018 (ZIP center) · Grid FM19id · CQ 5 · ITU 8 · map ↗

Others requesting N3RDB

2 applications listed N3RDB as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Apr 4, 2016	Apr 22, 2016	KK6ZMI · Richard D Baskin · Chula Vista, CA	2	Granted
Feb 23, 2012	Mar 12, 2012	KK4HCA · Roger D Burks · Cordova, TN	3	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for N3RDB in the last 24 hours. They show up here within seconds of N3RDB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.