N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:42 am CDT (FCC files through Sep 30, 2026) · next update today 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

W0OS HAM

🔒 Not available — currently licensed, through Jun 26, 2027. If it isn't renewed, it opens for vanity requests Jun 27, 2029.

📬 QSL: LoTW user, last upload Sep 23, 2026 · eQSL AG member

📝 W0OS has filed vanity applications before — latest filed Jun 6, 2007 · what was requested

Currently held by James A Grettum · 2 holders on record

Current holder: James A Grettum

Held W0OS Jun 26, 2007 → present · first licensed Aug 16, 2006 as KC0YHO · 2 licenses · FRN 0015398068

📦 Moved: Fargo, ND → Pelican Rapids, MN

W0OS Active Amateur Extra · vanity Jun 26, 2007 → expires Jun 26, 2027

Licensee
James A Grettum

Address
Attn: James A. Grettum
45618 Executive Dr
Pelican Rapids, MN 56572
46.6234, -95.9733 (street) · Grid EN26ao · CQ 4 · ITU 7 · map ↗

FRN
0015398068

Previous call
KC0YHO (General)

Last granted
May 19, 2017

Effective
Jul 21, 2023

Last action
Jul 21, 2023
FCC actions (6)
- Jul 21, 2023 — Administrative update LIAUA
- May 19, 2017 — License renewed LIREN
- Jan 24, 2014 — Administrative update LIAUA
- Nov 6, 2008 — Administrative update LIAUA
- Jun 26, 2007 — Vanity call sign granted VANGRT
- Jun 26, 2007 — License issued LIISS
KC0YHO Canceled Amateur Extra Aug 16, 2006 → Jun 26, 2007 (canceled)

Licensee
James A Grettum

Address
3604 28th St S
Fargo, ND 58104
46.7932, -96.8384 (ZIP center) · Grid EN16nt · CQ 4 · ITU 7 · map ↗

FRN
0015398068

Last granted
Aug 16, 2006

Effective
May 2, 2007

Last action
Jun 26, 2007
FCC actions (6)
- Jun 26, 2007 — License canceled LICAN
- May 2, 2007 — License modified LIMOD
- Mar 9, 2007 — License modified LIMOD
- Nov 16, 2006 — Administrative update LIAUA
- Aug 16, 2006 — License issued LIISS
- Aug 16, 2006 — 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 Apr 27, 2024 → Sep 27, 2026 · 11 snapshots · as W0OS
James A Grettum
Attn: James A. Grettum
45618 Executive Dr, Pelican Rapids, MN 56572
46.6234, -95.9733 (street) · Grid EN26ao · CQ 4 · ITU 7 · map ↗
Seen May 27, 2010 → Sep 27, 2026 · 46 snapshots · as KC0YHO
James A Grettum
3604 28th St S, Fargo, ND 58104
46.7932, -96.8384 (ZIP center) · Grid EN16nt · CQ 4 · ITU 7 · map ↗
Seen Mar 28, 2014 → Apr 16, 2022 · 26 snapshots · as W0OS
James A Grettum
Attn: James A. Grettum
3617 Hidden Cir, West Fargo, ND 58078
46.8672, -96.9422 (ZIP center) · Grid EN16mu · CQ 4 · ITU 7 · map ↗
Seen May 27, 2010 → Oct 22, 2013 · 9 snapshots · as W0OS
James A Grettum
801 Orchard Park Dr, Fargo, ND 58104
46.7932, -96.8384 (ZIP center) · Grid EN16nt · CQ 4 · ITU 7 · map ↗

Previous holder: JACK W HAWKINS

Held W0OS Feb 24, 1997 → Sep 3, 1998 · first licensed Feb 24, 1997 as W0OS · 1 license · no FRN on file (pre-2001 records)

W0OS Canceled General Feb 24, 1997 → Sep 3, 1998 (canceled)

Licensee
JACK W HAWKINS

Address
11578 HWY 145
CORTEZ, CO 81321
37.3130, -108.7345 (ZIP center) · Grid DM57ph · CQ 4 · ITU 7 · map ↗

Last granted
Feb 24, 1997

Effective
Feb 24, 1997

Last action
Mar 2, 2007
FCC actions (2)
- Mar 2, 2007 — Record corrected COR
- Mar 2, 2007 — Record corrected COR

Address history

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

Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as W0OS
JACK W HAWKINS
11578 HWY 145, CORTEZ, CO 81321
37.3130, -108.7345 (ZIP center) · Grid DM57ph · CQ 4 · ITU 7 · map ↗

Vanity applications filed by W0OS

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 Jun 6, 2007 Granted May 19, 2017 0003060778	KC0YHO · James A Grettum · Amateur Extra 3604 28th St S, Fargo, ND 58104 46.7932, -96.8384 (ZIP center) · Grid EN16nt · CQ 4 · ITU 7 · map ↗	1.W0OS ✓ granted 2.K0OS held	Granted got W0OS

Others requesting W0OS

13 applications listed W0OS as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Aug 14, 2009	Sep 1, 2009	AC0PV · Robert N Freedman · Boulder, CO	6	Granted
Jun 9, 2008	Jun 27, 2008	WD9HMD · David A Guenther · Ava, IL	5	Granted
Jun 12, 2007	Jun 30, 2007	K3XF · ARTHUR W PIGHTLING · Fort Collins, CO	3	Granted
Jun 8, 2007	Jun 26, 2007	KC0SXJ · Charles S Wardlow · Kahoka, MO	3	Granted
Jun 6, 2007	Jun 24, 2007	KC0YHO · James A Grettum · Fargo, ND	1	Granted
May 15, 2007	Jun 2, 2007	KC0SHS · Glenn A Valenta · Lakewood, CO	3	Granted
May 8, 2007	May 26, 2007	W8KIP · Lowell E Blevins · Clarksville, TX	2	Granted
Mar 28, 2007	Apr 15, 2007	KD0ABN · Conmicro Amateur Radio Society · Fairmont, MN	5	Granted
Mar 27, 2007	Apr 14, 2007	KD0ABP · Conmicro Amateur Radio Society · Fairmont, MN	4	Granted
Mar 26, 2007	Apr 13, 2007	N8FWQ · Harry F Kempke · Lakewood, CO	12	Granted
Mar 13, 2007	Mar 31, 2007	K0AEM · RICHARD L BEGGS · THRORNTON, CO	6	Granted
Mar 12, 2007	Mar 30, 2007	KD6HZY · Ron K Badger · Menlo Park, CA	4	Granted
Nov 28, 2006	Dec 16, 2006	KA0VNR · MICHAEL A KRAHENBUHL · KANSAS CITY, MO	13	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W0OS in the last 24 hours. They show up here within seconds of W0OS beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

Repeaters within 50 miles

37 repeaters within 50 miles of this address, closest first · sort: closest · most active · map these & export for a radio →

● confirmed on the air · ● probably · ● reported off the air · ● unknown · ◉ this license · ring = 50 miles · click a dot for the repeater's page

● confirmed on the air · ● probably · ● reported off the air · no dot = unknown (hover a dot for the evidence)

Miles	Call	Name	Output	Offset	Tone	Mode	Networks	Activity	Location
14.6	K0VSC	Detroit Lakes K0VSC	444.5750	+5	TSQL 123.0	FM (analog)		—	Detroit Lakes, MN
14.7	W0EMZ	Detroit Lakes W0EMZ	147.1950	+0.6	none	FM (analog)		—	Detroit Lakes, MN
14.7	KF0DIL	Frazee KF0DIL BM	444.3100	+5	CC6	DMR	BrandMeister 312587	—	Frazee, MN
19.4	K0QIK	Perham K0QIK	147.1500	+0.6	TONE 123.0	FM (analog)		—	Perham, MN
22.1	K0QIK	Fergus Falls K0QIK	444.9750	+5	TSQL 123.0	FM (analog)		—	Fergus Falls, MN
24.0	K0QIK	Fergus Falls K0QIK	147.2850	+0.6	TONE 123.0	FM (analog)		—	Fergus Falls, MN
24.0	K0QIK	Fergus Falls K0QIK	146.6400	-0.6	none	FM (analog)		—	Fergus Falls, MN
24.0	K0QIK	Fergus Falls K0QIK AllStar	444.2000	+5	TSQL 151.4	FM (analog)	AllStar 51052	—	Fergus Falls, MN
31.2	N0VCE	Dalton N0VCE	224.0800	-1.6	TONE 225.7	FM (analog)		—	Dalton, MN
34.2	W0QQK	Ulen W0QQK	146.6850	-0.6	none	FM (analog)		—	Ulen, MN
35.3	KB0FAE	Wolf Lake KB0FAE	926.9750	-12	TSQL 123.0	FM (analog)		—	Wolf Lake, MN
35.4	W0BOY	Wolf Lake W0BOY	147.0450	+0.6	TONE 123.0	FM (analog)		—	Wolf Lake, MN
35.7	N0VCE	Dalton N0VCE	53.6300	-1	TSQL 100.0	FM (analog)		—	Dalton, MN
38.4	W0END	Wahpeton ND W0END WIRES-X	443.8000	+5		Fusion (C4FM)	WIRES-X 50850	—	Wahpeton, ND
38.5	W0END	Wahpeton ND W0END	147.3750	+0.6	none	FM (analog)		—	Wahpeton, ND
39.7	KB0UGF	Twin Valley Fren KB0UGF	444.6750	+5	TSQL 123.0	FM (analog)		—	Twin Valley, MN
40.5	K0AKV	Christine K0AKV	442.9000	+5	none	D-STAR (DV,DMR,C4FM,P25)		—	Christine, ND
40.6	K0AKV	Christine K0AKV BM	447.9000	-5	CC1	DMR	BrandMeister 319141301	—	Christine, ND
41.4	W0ILO	Moorhead W0ILO	145.3500	-0.6	TONE 123.0	FM (analog)		—	Moorhead, MN
41.4	W0ILO	Moorhead W0ILO	444.8750	+5	TONE 123.0	FM (analog)		—	Moorhead, MN
41.5	W0JPJ	Moorhead W0JPJ WIRES-X	442.5000	+5	DCS 065	FM (analog) (C4FM,FM)	WIRES-X 18456	—	Moorhead, MN
42.0	N0WN	Sebeka Wtr N0WN EchoLink	147.3300	+0.6	TONE 123.0	FM (analog)	EchoLink 352243	—	Sebeka, MN
42.4	W0RRW	Fargo W0RRW	146.9700	-0.6	none	FM (analog)		—	Fargo, ND
42.5	KC0KAE	Fargo Courthouse KC0KAE	146.7150	-0.6	TSQL 123.0	FM (analog)		—	Fargo, ND
43.5	W0HSC	Fargo NDSU W0HSC WIRES-X	147.0900	+0.6	none	FM (analog) (C4FM,DMR,FM)	WIRES-X 52208 BrandMeister 311646	—	Fargo, ND
43.8	KC0LOK	Fargo KC0LOK BM	443.6750	+5	CC3	DMR	BrandMeister 311580	—	Fargo, ND
43.9	K0RQ	Fargo K0RQ BM	443.4000	+5	none	D-STAR (C4FM,DMR,DV)	BrandMeister 311462	—	Fargo, ND
44.7	K0EED	Fargo Perficient K0EED IRLP	145.4900	-0.6	TONE 82.5	FM (analog)	EchoLink 284694 IRLP 4549	—	Fargo, ND
45.7	KD0IOE	West Fargo KD0IOE BM	444.6250	+5	CC1	DMR	BrandMeister 310160 TGIF	—	West Fargo, ND
48.0	K0GUV	Park Rapids K0GUV	147.3000	+0.6	none	FM (analog)		—	Park Rapids, MN
49.9	N0WN	Bertha Wtr N0WN	147.1200	+0.6	none	FM (analog)		—	Bertha, MN
24.0	N0RJO offline	Fergus Falls N0RJO	146.8200	-0.6	TSQL 123.0	FM (analog)		—	Fergus Falls, MN
34.7	N0WN offline	Deer Creek Wtr N0WN	146.9250	-0.6	none	FM (analog)		—	Deer Creek, MN
41.5	W0JPJ offline	Moorhead W0JPJ WIRES-X	145.1500	-0.6	none	FM (analog) (C4FM,DMR,FM)	WIRES-X 18456 BrandMeister 311614	—	Moorhead, MN
43.3	KD0SWQ offline	Fargo NDSU KD0SWQ	444.0000	+5	none	D-STAR (DV,C4FM)		—	Fargo, ND
43.4	KC0LOK offline	Fargo KC0LOK	442.3750	+5	TSQL 123.0	FM (analog)		—	Fargo, ND
49.9	N0WN offline	Bertha Wtr N0WN EchoLink	444.7500	+5	none	FM (analog)	EchoLink 352243	—	Bertha, MN

Data courtesy of RepeaterBook.com