N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 9:45 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

K2DUO HAM

✅ Available for a vanity request — free since Oct 25, 2009.

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 Oct 25, 2009

Previous holder: ROBERT M HARRINGTON

Held K2DUO Oct 24, 1997 → Oct 24, 2007 · first licensed Oct 24, 1997 as K2DUO · 1 license · no FRN on file (pre-2001 records)

K2DUO Expired Amateur Extra Oct 24, 1997 → Oct 24, 2007 (expired)

Licensee
ROBERT M HARRINGTON

Address
1127 HARRISON ST
WATERTOWN, NY 13601
43.9690, -75.9105 (ZIP center) · Grid FN23bx · CQ 5 · ITU 8 · map ↗

Last granted
Oct 24, 1997

Effective
Oct 24, 1997

Last action
Oct 27, 2009
FCC actions (1)
- Oct 27, 2009 — 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 K2DUO
ROBERT M HARRINGTON
1127 HARRISON ST, WATERTOWN, NY 13601
43.9690, -75.9105 (ZIP center) · Grid FN23bx · CQ 5 · ITU 8 · map ↗

Others requesting K2DUO

1 application listed K2DUO as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Nov 18, 2014	Dec 6, 2014	KD2HEW · James A McCusker · West Henrietta, NY	8	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K2DUO in the last 24 hours. They show up here within seconds of K2DUO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.