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

JERRY KOSLOFF

FRN 0010463164 · first licensed Mar 2, 2004 as KG6UAV · 2 licenses on record

📝 FCC applications (17)

Received	File number	Service	Purpose	Status	Call
Dec 20, 2013	0006065494	HAM	Renewal	Granted	K6KOZ
Dec 20, 2013	0006065491	HAM	Modification	Granted	K6KOZ
Oct 8, 2009	0003991253	HAM	Administrative update	Granted	K6KOZ
Apr 2, 2009	0003795578	HAM	Modification	Granted	K6KOZ
Jun 23, 2008	0003481498	HAM	Administrative update	Granted	K6KOZ
Jun 23, 2008	0003481486	HAM	Administrative update	Granted	K6KOZ
Nov 1, 2007	0003217371	HAM	Administrative update	Granted	K6KOZ
Nov 1, 2007	0003217345	HAM	Administrative update	Granted	K6KOZ
Oct 29, 2007	0003211688	HAM	Administrative update	Granted	K6KOZ
May 24, 2007	0003043163	HAM	Administrative update	Granted	K6KOZ
Feb 6, 2006	0002473032	HAM	Administrative update	Granted	K6KOZ
Jul 2, 2004	0001795236	HAM	Duplicate license	Granted	K6KOZ
Jun 22, 2004	0001781580	HAM	Modification	Granted	K6KOZ
Apr 2, 2004	0001683755	HAM	Duplicate license	Granted	K6KOZ
Mar 15, 2004	0001654517	HAM	Duplicate license	Granted	KG6UAV
Mar 2, 2004	0001640112	HAM	Modification	Granted	KG6UAV
Mar 2, 2004	0001639373	HAM	New license	Granted	KG6UAV

Complete licensing history

📦 Moved: Los Angeles, CA → Moorpark, CA

K6KOZ Expired Amateur Extra · vanity Mar 20, 2004 → Mar 20, 2024 (expired)

Licensee
JERRY KOSLOFF

Address
PO Box 284
MOORPARK, CA 93020-0284

FRN
0010463164

Previous call
KG6UAV (General)

Last granted
Dec 25, 2013

Effective
Dec 25, 2013

Last action
Mar 21, 2026
FCC actions (15)
- Mar 21, 2026 — License expired LIEXP
- Dec 25, 2013 — License renewed LIREN
- Dec 20, 2013 — License modified LIMOD
- Oct 9, 2009 — Administrative update LIAUA
- Apr 2, 2009 — License modified LIMOD
- Jun 24, 2008 — Administrative update LIAUA
- Jun 24, 2008 — Administrative update LIAUA
- Nov 2, 2007 — Administrative update LIAUA
- Nov 2, 2007 — Administrative update LIAUA
- Oct 30, 2007 — Administrative update LIAUA
- May 25, 2007 — Administrative update LIAUA
- Feb 7, 2006 — Administrative update LIAUA
- Jun 22, 2004 — License modified LIMOD
- Mar 20, 2004 — Vanity call sign granted VANGRT
- Mar 20, 2004 — License issued LIISS
KG6UAV Canceled Technician Mar 2, 2004 → Mar 20, 2004 (canceled)

Licensee
Jerry G Kosloff

Address
PO Box 91519
Los Angeles, CA 90009

FRN
0010463164

Last granted
Mar 2, 2004

Effective
Mar 2, 2004

Last action
Mar 20, 2004
FCC actions (2)
- Mar 20, 2004 — License canceled LICAN
- Mar 2, 2004 — License issued LIISS

Address history

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

Seen Mar 28, 2014 → Oct 4, 2026 · 38 snapshots · as K6KOZ
JERRY KOSLOFF
PO Box 284
MOORPARK, CA 93020-0284
Seen Nov 7, 2004 → Oct 4, 2026 · 49 snapshots · as KG6UAV
Jerry G Kosloff
PO Box 91519
Los Angeles, CA 90009
Seen May 27, 2010 → Oct 22, 2013 · 9 snapshots · as K6KOZ
Jerry "Koz" Kosloff
PO Box 284
Moorpark, CA 93020

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Mar 2, 2004 Granted Dec 25, 2013 0001640112	KG6UAV · Jerry G Kosloff · Technician PO Box 91519 · Los Angeles, CA 90009	1.K6KOZ ✓ granted 2.W6JGK held	Granted got K6KOZ