N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 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

KG4DOO HAM

✅ Available for a vanity request — free since Dec 25, 2001.

2x3 call: any licensee 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 25, 2001

Previous holder: MARK A SHERER

Held KG4DOO Jun 3, 1999 → Dec 24, 1999 · first licensed Jun 3, 1999 as KG4DOO · 3 licenses · FRN 0002593564

WD4MRK Expired Technician · vanity May 5, 2000 → May 5, 2010 (expired)

Licensee
MARK A SHERER

Address
115 SHERER DR
PARRISH, AL 35580
33.7008, -87.2708 (ZIP center) · Grid EM63iq · CQ 4 · ITU 8 · map ↗

FRN
0002593564

Previous call
W5MRK

Last granted
May 5, 2000

Effective
May 5, 2000

Last action
May 8, 2012
FCC actions (2)
- May 8, 2012 — License expired LIEXP
- May 5, 2000 — License issued LIISS
W5MRK Canceled Technician · vanity Dec 24, 1999 → May 5, 2000 (canceled)

Licensee
MARK A SHERER

Address
115 SHERER DR
PARRISH, AL 35580
33.7008, -87.2708 (ZIP center) · Grid EM63iq · CQ 4 · ITU 8 · map ↗

FRN
0002593564

Previous call
KG4DOO

Last granted
Dec 24, 1999

Effective
Dec 24, 1999

Last action
May 5, 2000
FCC actions (2)
- May 5, 2000 — License canceled LICAN
- Dec 24, 1999 — License issued LIISS
KG4DOO Canceled Technician Jun 3, 1999 → Dec 24, 1999 (canceled)

Licensee
MARK A SHERER

Address
115 SHERER DR
PARRISH, AL 35580
33.7008, -87.2708 (ZIP center) · Grid EM63iq · CQ 4 · ITU 8 · map ↗

FRN
0002593564

Last granted
Jun 3, 1999

Effective
Jun 3, 1999

Last action
Dec 24, 1999
FCC actions (1)
- Dec 24, 1999 — License canceled LICAN

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 · 144 snapshots · as KG4DOO
MARK A SHERER
115 SHERER DR, PARRISH, AL 35580
33.7008, -87.2708 (ZIP center) · Grid EM63iq · CQ 4 · ITU 8 · map ↗

Others requesting KG4DOO

1 application listed KG4DOO as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Mar 14, 2000	Apr 1, 2000	W5MRK · MARK A SHERER · PARRISH, AL	1	Withdrawn

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KG4DOO in the last 24 hours. They show up here within seconds of KG4DOO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.