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

K4DXX HAM 📻 GMRS

📻

Also a GMRS licensee

WRQL772

Active until May 4, 2032 · same FCC Registration Number (FRN) · GMRS covers the licensee's immediate family

General class licensed since 2016 (10 yrs) K4DXX since 2016 · previously KM4WPM, KM4RJI Coosa, GA LoTW user eQSL AG GMRS WRQL772

🔒 Not available — currently licensed, through Sep 9, 2036. If it isn't renewed, it opens for vanity requests Sep 10, 2038.

📬 QSL: LoTW user · last upload Jun 10, 2022 · eQSL AG member · QRZ · HamQTH

📝 K4DXX has filed vanity applications before — latest filed Aug 22, 2016 · what was requested

Currently held by WILLIAM MANSFIELD · 2 holders on record

Current holder: WILLIAM MANSFIELD

Held K4DXX Sep 9, 2016 → present · first licensed Feb 22, 2016 as KM4RJI · 3 licenses · FRN 0025163718

📦 Moved: Rome, GA → Coosa, GA

K4DXX Active General · vanity Sep 9, 2016 → expires Sep 9, 2036

Licensee
WILLIAM MANSFIELD

Address
Attn: William Mansfileld
PO Box 361
4000 Alabama Hwy
Coosa, GA 30129-9800

FRN
0025163718

Previous call
KM4WPM (Technician)

Last granted
Jun 25, 2026

Effective
Jun 25, 2026

Last action
Jun 25, 2026
FCC actions (4)
- Jun 25, 2026 — License renewed LIREN
- Aug 19, 2017 — Administrative update LIAUA
- Sep 9, 2016 — Vanity call sign granted VANGRT
- Sep 9, 2016 — License issued LIISS
KM4WPM Canceled General · vanity Mar 15, 2016 → Sep 9, 2016 (canceled)

Licensee
WILLIAM P MANSFIELD

Address
7 PINTAIL CT
ROME, GA 30165
34.3158, -85.2951 (ZIP center) · Grid EM74ih · CQ 5 · ITU 8 · map ↗

FRN
0025163718

Previous call
KM4RJI (Technician)

Last granted
Mar 15, 2016

Effective
Apr 4, 2016

Last action
Sep 9, 2016
FCC actions (4)
- Sep 9, 2016 — License canceled LICAN
- Apr 4, 2016 — License modified LIMOD
- Mar 15, 2016 — Vanity call sign granted VANGRT
- Mar 15, 2016 — License issued LIISS
KM4RJI Canceled Technician Feb 22, 2016 → Mar 15, 2016 (canceled)

Licensee
William P Mansfield

Address
7 Pintail Ct
Rome, GA 30165
34.3158, -85.2951 (ZIP center) · Grid EM74ih · CQ 5 · ITU 8 · map ↗

FRN
0025163718

Last granted
Feb 22, 2016

Effective
Feb 22, 2016

Last action
Mar 15, 2016
FCC actions (3)
- Mar 15, 2016 — License canceled LICAN
- Feb 22, 2016 — License issued LIISS
- Feb 22, 2016 — Systematic call sign granted SYSGRT

Address history

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

Seen Sep 5, 2017 → Oct 4, 2026 · 20 snapshots · as K4DXX
WILLIAM MANSFIELD
Attn: William Mansfileld
PO Box 361
4000 Alabama Hwy, Coosa, GA 30129-9800
Seen Mar 16, 2016 → Oct 4, 2026 · 58 snapshots · as KM4RJI
William P Mansfield
7 Pintail Ct, Rome, GA 30165
34.3158, -85.2951 (ZIP center) · Grid EM74ih · CQ 5 · ITU 8 · map ↗

Previous holder: NEAL H RAINWATER

Held K4DXX Apr 19, 2004 → Jul 9, 2014 · first licensed Apr 19, 2004 as K4DXX · 1 license · FRN 0010770006

K4DXX Expired Advanced Apr 19, 2004 → Jul 9, 2014 (expired)

Licensee
NEAL H RAINWATER

Address
1725 COUNTRY WAY
GAINESVILLE, GA 30501
34.3190, -83.8144 (ZIP center) · Grid EM84ch · CQ 5 · ITU 8 · map ↗

FRN
0010770006

Last granted
Apr 19, 2004

Effective
Apr 19, 2004

Last action
Jul 12, 2016
FCC actions (2)
- Jul 12, 2016 — License expired LIEXP
- Apr 19, 2004 — 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 · 48 snapshots · as K4DXX
NEAL H RAINWATER
1725 COUNTRY WAY, GAINESVILLE, GA 30501
34.3190, -83.8144 (ZIP center) · Grid EM84ch · CQ 5 · ITU 8 · map ↗

Vanity applications filed by K4DXX

Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.

Filed · Award	Applicant	Requested (in order)	Status
Filed Aug 22, 2016 Granted Jun 25, 2026 0007405831	KM4WPM · WILLIAM P MANSFIELD · General 7 PINTAIL CT, ROME, GA 30165 34.3158, -85.2951 (ZIP center) · Grid EM74ih · CQ 5 · ITU 8 · map ↗	1.K4DXX ✓ granted 2.K4AXX held 3.K4DDF available	Granted got K4DXX
Filed Feb 26, 2016 Granted Mar 15, 2016 0007156940	KM4RJI · William P Mansfield · Technician 7 Pintail Ct, Rome, GA 30165 34.3158, -85.2951 (ZIP center) · Grid EM74ih · CQ 5 · ITU 8 · map ↗	1.KM4WPM ✓ granted	Granted got KM4WPM

Others requesting K4DXX

5 applications listed K4DXX as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Aug 22, 2016	Sep 9, 2016	KM4WPM · WILLIAM P MANSFIELD · ROME, GA	1	Granted
Sep 19, 2008	Oct 7, 2008	KJ4GPF · Howard H Menthe · Newberry, FL	10	Dismissed
Sep 15, 2008	Oct 3, 2008	KJ4GPF · Howard H Menthe · Newberry, FL	10	Dismissed
Jun 28, 2005	Jul 16, 2005	KI4KMZ · Barry V Smith MBA · Henderson, TN	3	Granted
Apr 18, 2005	May 6, 2005	KG4ULF · John M Crowe · Hohenwald, TN	7	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K4DXX in the last 24 hours. They show up here within seconds of K4DXX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.