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

N3QXX HAM

✅ Available for a vanity request — free since Jun 5, 2021.

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

📬 QSL: LoTW user · last upload Jun 4, 2019 · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since Jun 5, 2021

Previous holder: CHRISTOPHER L MADAIRY

Held N3QXX Jan 16, 2001 → Jun 4, 2019 · first licensed Jan 16, 2001 as N3QXX · 2 licenses · FRN 0004461497

AK3B Active Amateur Extra · vanity Jun 4, 2019 → expires Jun 4, 2029

Licensee
CHRISTOPHER L MADAIRY

Address
19610 YORK RD
PARKTON, MD 21120
39.6637, -76.6512 (street) · Grid FM19qp · CQ 5 · ITU 8 · map ↗

FRN
0004461497

Previous call
N3QXX (General)

Last granted
Jun 4, 2019

Effective
Jun 4, 2019

Last action
Jun 4, 2019
FCC actions (2)
- Jun 4, 2019 — Vanity call sign granted VANGRT
- Jun 4, 2019 — License issued LIISS
N3QXX Canceled Amateur Extra Jan 16, 2001 → Jun 4, 2019 (canceled)

Licensee
CHRISTOPHER L MADAIRY

Address
19610 YORK RD
PARKTON, MD 21120
39.6637, -76.6512 (street) · Grid FM19qp · CQ 5 · ITU 8 · map ↗

FRN
0004461497

Last granted
Aug 26, 2013

Effective
May 7, 2019

Last action
Jun 4, 2019
FCC actions (11)
- Jun 4, 2019 — License canceled LICAN
- May 7, 2019 — Administrative update LIAUA
- Aug 26, 2013 — License renewed LIREN
- Jan 21, 2006 — Administrative update LIAUA
- Apr 4, 2005 — License modified LIMOD
- Mar 16, 2004 — Administrative update LIAUA
- Mar 16, 2004 — Administrative update LIAUA
- Aug 29, 2003 — License renewed LIREN
- May 30, 2003 — Administrative update LIAUA
- Jan 16, 2001 — License modified LIMOD
- Jan 16, 2001 — FCC action LITIN

Address history

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

Seen May 27, 2010 → Oct 4, 2026 · 60 snapshots · as N3QXX
Christopher L Madairy
19610 YORK RD, PARKTON, MD 21120
39.6637, -76.6512 (street) · Grid FM19qp · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as N3QXX
Christopher L Madairy
1117 WEST 37TH STREET, BALTIMORE, MD 21211
39.3287, -76.6393 (ZIP center) · Grid FM19qh · CQ 5 · ITU 8 · map ↗

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for N3QXX in the last 24 hours. They show up here within seconds of N3QXX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.