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

WILLIAM R DOZIER SR

FRN 0006378558 · first licensed Feb 14, 2002 as KD4NKO · 2 licenses on record

📻 GMRS licenses on this FRN

GMRS call	Status	Name	Location	Granted	Expires
WRVI313	Active	William R Dozier Sr	Lady Lake, FL	Nov 26, 2022	Nov 26, 2032

📝 FCC applications (7)

Received	File number	Service	Purpose	Status	Call
Nov 25, 2022	0010290479	GMRS	New license	Granted
Feb 13, 2018	0008098724	HAM	Renewal	Granted	W4GTR
May 28, 2008	0003452963	HAM	Modification	Granted	W4GTR
Apr 25, 2008	0003411909	HAM	Modification	Granted	KD4NKO
Apr 21, 2008	0003406040	HAM	Modification	Granted	KD4NKO
Apr 14, 2008	0003394562	HAM	Duplicate license	Granted	KD4NKO
Feb 14, 2002	0000772775	HAM	Renewal	Granted	KD4NKO

Complete licensing history

W4GTR Active Amateur Extra · vanity May 9, 2008 → expires May 9, 2028

Licensee
WILLIAM R DOZIER SR

Address
PO Box 1400
LADY LAKE, FL 32158

FRN
0006378558

Previous call
KD4NKO (General)

Last granted
Feb 13, 2018

Effective
Feb 13, 2018

Last action
Feb 13, 2018
FCC actions (4)
- Feb 13, 2018 — License renewed LIREN
- May 28, 2008 — License modified LIMOD
- May 9, 2008 — Vanity call sign granted VANGRT
- May 9, 2008 — License issued LIISS
KD4NKO Canceled General Feb 14, 2002 → May 9, 2008 (canceled)

Licensee
WILLIAM R DOZIER SR

Address
PO Box 1400
LADY LAKE, FL 32158

FRN
0006378558

Last granted
Feb 14, 2002

Effective
Apr 25, 2008

Last action
May 9, 2008
FCC actions (4)
- May 9, 2008 — License canceled LICAN
- Apr 25, 2008 — License modified LIMOD
- Feb 14, 2002 — License renewed LIREN
- Feb 14, 2002 — FCC action LITIN

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 · 95 snapshots · as KD4NKO
WILLIAM R DOZIER SR
PO Box 1400
LADY LAKE, FL 32158

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Apr 21, 2008 Granted Feb 13, 2018 0003406040	KD4NKO · WILLIAM R DOZIER SR · Technician Attn: William R Dozier Sr · PO Box 1400 · LADY LAKE, FL 32158	1.W4GTR ✓ granted	Granted got W4GTR