N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:45 am CDT · 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

N1DCA HAM

✅ Available for a vanity request — free since Jan 25, 2010.

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 Jan 25, 2010

Previous holder: HOPKINS HOLMBERG

Held N1DCA Apr 24, 2001 → Jan 24, 2008 · first licensed Apr 24, 2001 as N1DCA · 2 licenses · FRN 0004725727

📦 Moved: Concord, MA → Waltham, MA

N1HOP Active General · vanity Jan 24, 2008 → expires Jan 24, 2028

Licensee
HOPKINS HOLMBERG

Address
201 BISHOPS FOREST DRIVE
WALTHAM, MA 02452
42.4002, -71.2263 (street) · Grid FN42jj · CQ 5 · ITU 8 · map ↗

FRN
0004725727

Previous call
N1DCA (Technician)

Last granted
Nov 7, 2017

Effective
Nov 7, 2017

Last action
Nov 7, 2017
FCC actions (6)
- Nov 7, 2017 — License renewed LIREN
- Jun 6, 2012 — Administrative update LIAUA
- May 30, 2012 — Administrative update LIAUA
- May 30, 2012 — Administrative update LIAUA
- Jan 24, 2008 — Vanity call sign granted VANGRT
- Jan 24, 2008 — License issued LIISS
N1DCA Canceled General Apr 24, 2001 → Jan 24, 2008 (canceled)

Licensee
R Hopkins Holmberg

Address
385 Garfield Rd
Concord, MA 01742-4906
42.4629, -71.3645 (ZIP center) · Grid FN42hl · CQ 5 · ITU 8 · map ↗

FRN
0004725727

Last granted
Apr 24, 2001

Effective
Oct 29, 2007

Last action
Jan 24, 2008
FCC actions (5)
- Jan 24, 2008 — License canceled LICAN
- Oct 29, 2007 — Administrative update LIAUA
- Feb 26, 2007 — License modified LIMOD
- Nov 16, 2004 — Administrative update LIAUA
- Apr 24, 2001 — License renewed LIREN

Address history

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

Seen Jul 26, 2012 → Oct 4, 2026 · 43 snapshots · as N1HOP
Hopkins Holmberg
201 Bishops Forest Drive, Waltham, MA 02452
42.4002, -71.2263 (street) · Grid FN42jj · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 47 snapshots · as N1DCA
R Hopkins Holmberg
385 Garfield Rd, Concord, MA 01742-4906
42.4629, -71.3645 (ZIP center) · Grid FN42hl · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → May 28, 2012 · 4 snapshots · as N1HOP
Hopkins Holmberg
385 Garfield Rd, Concord, MA 01742-4906
42.4629, -71.3645 (ZIP center) · Grid FN42hl · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as N1DCA
R HOPKINS HOLMBERG
8 DWYER CIR, MEDFORD, MA 02155
42.4238, -71.1077 (ZIP center) · Grid FN42kk · CQ 5 · ITU 8 · map ↗

Others requesting N1DCA

5 applications listed N1DCA as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Feb 3, 2026	Feb 21, 2026	KD3CJT · Alexander J Hauge · Washington, DC	2	Granted
Jul 31, 2023	Aug 18, 2023	KK7NUG · David C Archer · Tucson, AZ	16	Granted
Feb 14, 2018	Mar 4, 2018	KI6NXM · DANIEL C ATHEY · Sacramento, CA	3	Granted
Mar 14, 2017	Apr 1, 2017	KM6JEP · David C Austin · Corona, CA	4	Granted
Feb 2, 2015	Feb 20, 2015	KM4HIG · MYLES H PERPER · TUCKER, GA	4	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for N1DCA in the last 24 hours. They show up here within seconds of N1DCA beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.