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

K4DOI HAM

✅ Available for a vanity request — free since Jun 26, 2025.

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 · 2 holders on record · available since Jun 26, 2025

Previous holder: James T Marston

Held K4DOI Jun 25, 2003 → Jun 25, 2023 · first licensed May 13, 2003 as KI4AGT · 2 licenses · FRN 0008948416

K4DOI Expired General · vanity Jun 25, 2003 → Jun 25, 2023 (expired)

Licensee
James T Marston

Address
270 River Cove Rd
Social Circle, GA 30025
33.6560, -83.6958 (ZIP center) · Grid EM83dp · CQ 5 · ITU 8 · map ↗

FRN
0008948416

Previous call
KI4AGT (Technician)

Last granted
Apr 16, 2013

Effective
Apr 16, 2013

Last action
Jun 26, 2025
FCC actions (5)
- Jun 26, 2025 — License expired LIEXP
- Apr 16, 2013 — License renewed LIREN
- Dec 15, 2006 — License modified LIMOD
- Jun 25, 2003 — Vanity call sign granted VANGRT
- Jun 25, 2003 — License issued LIISS
KI4AGT Canceled Technician May 13, 2003 → Jun 25, 2003 (canceled)

Licensee
JAMES T MARSTON

Address
270 RIVER COVE RD
SOCIAL CIRCLE, GA 30025
33.6560, -83.6958 (ZIP center) · Grid EM83dp · CQ 5 · ITU 8 · map ↗

FRN
0008948416

Last granted
May 13, 2003

Effective
May 13, 2003

Last action
Jun 25, 2003
FCC actions (2)
- Jun 25, 2003 — License canceled LICAN
- May 13, 2003 — License issued LIISS

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 · 96 snapshots · as KI4AGT
JAMES T MARSTON
270 RIVER COVE RD, SOCIAL CIRCLE, GA 30025
33.6560, -83.6958 (ZIP center) · Grid EM83dp · CQ 5 · ITU 8 · map ↗

Previous holder: DONALD P NAHSER

Held K4DOI Sep 8, 1987 → Sep 8, 1997 · first licensed Sep 8, 1987 as K4DOI · 1 license · no FRN on file (pre-2001 records)

K4DOI Expired General Sep 8, 1987 → Sep 8, 1997 (expired)

Licensee
DONALD P NAHSER

Address
305 KAREN DR
ALPHARETTA, GA 30201

Last granted
Sep 8, 1987

Effective
Sep 8, 1987

Last action
Apr 16, 2013
FCC actions (1)
- Sep 10, 1999 — 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 K4DOI
DONALD P NAHSER
305 KAREN DR, ALPHARETTA, GA 30201

Others requesting K4DOI

1 application listed K4DOI as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jun 6, 2003	Jun 24, 2003	KI4AGT · JAMES T MARSTON · SOCIAL CIRCLE, GA	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K4DOI in the last 24 hours. They show up here within seconds of K4DOI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.