N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 5, 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

Mark A Keiser

FRN 0001868173 · first licensed Jun 7, 2000 as N4OGL · 1 license on record

📻 GMRS licenses on this FRN

GMRS call	Status	Name	Location	Granted	Expires
WRUW844	Active	Mark A Keiser	Sioux Falls, SD	Oct 13, 2022	Oct 13, 2032

📝 FCC applications (12)

Received	File number	Service	Purpose	Status	Call
Jan 30, 2024	0010900617	HAM	Administrative update	Granted	N4OGL
Jan 30, 2024	0010900616	GMRS	Administrative update	Granted
Oct 12, 2022	0010237376	GMRS	New license	Granted
Aug 28, 2020	0009203803	HAM	Administrative update	Granted	N4OGL
Feb 27, 2020	0008993225	HAM	Duplicate license	Granted	N4OGL
Feb 28, 2017	0007679954	HAM	Renewal	Granted	N4OGL
May 26, 2015	0006815033	HAM	Administrative update	Granted	N4OGL
Dec 11, 2014	0006578736	HAM	Administrative update	Granted	N4OGL
Apr 11, 2007	0002990326	HAM	Renewal	Granted	N4OGL
Oct 24, 2006	0002794993	HAM	Administrative update	Granted	N4OGL
Oct 13, 2004	0001900993	HAM	Administrative update	Granted	N4OGL
Jun 6, 2000	0000157742	HAM	Modification	Granted	N4OGL

Complete licensing history

N4OGL Active General Jun 7, 2000 → expires May 12, 2027

Licensee
Mark A Keiser

Address
5404 S. Westwind Avenue
Sioux Falls, SD 57108-8461
43.4956, -96.6868 (street) · Grid EN13pl · CQ 4 · ITU 7 · map ↗

FRN
0001868173

Last granted
Mar 1, 2017

Effective
Jan 31, 2024

Last action
Jan 31, 2024
FCC actions (9)
- Jan 31, 2024 — Administrative update LIAUA
- Aug 29, 2020 — Administrative update LIAUA
- Mar 1, 2017 — License renewed LIREN
- May 27, 2015 — Administrative update LIAUA
- Dec 12, 2014 — Administrative update LIAUA
- Apr 11, 2007 — License renewed LIREN
- Oct 25, 2006 — Administrative update LIAUA
- Oct 14, 2004 — Administrative update LIAUA
- Jun 7, 2000 — License modified LIMOD

Address history

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

Seen Apr 27, 2024 → Oct 4, 2026 · 12 snapshots · as N4OGL
Mark A Keiser
5404 S. Westwind Avenue, Sioux Falls, SD 57108-8461
43.4956, -96.6868 (street) · Grid EN13pl · CQ 4 · ITU 7 · map ↗
Seen Apr 16, 2022 · 1 snapshot · as N4OGL
Mark A Keiser
28740 Park Woodland Place, Santa Clarita, CA 91390
34.5765, -118.4928 (ZIP center) · Grid DM04sn · CQ 3 · ITU 6 · map ↗
Seen Jun 6, 2015 → May 6, 2019 · 21 snapshots · as N4OGL
Mark A Keiser
21737 Bene Drive, Santa Clarita, CA 91350-8539
34.4306, -118.5028 (ZIP center) · Grid DM04rk · CQ 3 · ITU 6 · map ↗
Seen Mar 28, 2015 → May 19, 2015 · 2 snapshots · as N4OGL
Mark A Keiser
PO Box 4328, Burbank, CA 91503-4328
Seen May 27, 2010 → May 22, 2014 · 11 snapshots · as N4OGL
Mark A Keiser
21035 Roaming Shores Ter, Ashburn, VA 20147-3208
39.0419, -77.4781 (ZIP center) · Grid FM19gb · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as N4OGL
MARK A KEISER
23559 North Field Road, Lake Zurich, IL 60047
42.2016, -88.0463 (ZIP center) · Grid EN52xe · CQ 4 · ITU 8 · map ↗

Repeaters within 50 miles

28 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
0.0	N4OGL	Sioux Falls N4OGL BM	446.5000	-5	CC1	DMR	BrandMeister 310677001	—	Sioux Falls, SD
1.0	W0ZML	Sioux Falls W0ZML AllStar	443.3000	+5	TONE 146.2	FM (analog) (DMR,FM)	AllStar 631740 BrandMeister 314644	—	Sioux Falls, SD
2.3	W0ZWY	Sioux Falls W0ZWY	146.8950	-0.6	TONE 146.2	FM (analog)		—	Sioux Falls, SD
2.3	W0ZWY	Sioux Falls W0ZWY	442.7500	+5	none	D-STAR		—	Sioux Falls, SD
3.6	KE0WPC	Sioux Falls KE0WPC AllStar	443.8000	+5	DCS 174	FM (analog)	AllStar 632880	—	Sioux Falls, SD
3.6	KD0ZP	Sioux Falls KD0ZP EchoLink	444.9000	+5	TONE 146.2	FM (analog)	EchoLink 74079	—	Sioux Falls, SD
3.8	N0RCY	Sioux Falls SD N0RCY BM	429.0000	-1	CC1	DMR	BrandMeister 3193241	—	Sioux Falls, SD, L0C, SD
3.8	KD0ZP	Sioux Falls Menl KD0ZP	444.8250	+5	TONE 103.5	FM (analog)		—	Sioux Falls, SD
3.8	W0FSD	Sioux Falls Menl W0FSD	223.8600	-1.6	TONE 146.2	FM (analog)		—	Sioux Falls, SD
3.8	WD0EXR	Sioux Falls WD0EXR BM	443.4000	+5	CC1	DMR	BrandMeister 310165	—	Sioux Falls, SD
4.3	KC0RFR	Sioux Falls KC0RFR	443.5000	+5	TONE 88.5	FM (analog) (FM,C4FM)		—	Sioux Falls, SD
21.4	N0JPE	Fairview N0JPE IRLP	146.5600	simplex	TONE 67.0	FM (analog)	IRLP 7449 IRLP 7375	—	Fairview, SD
22.9	W0ZML	Moe W0ZML	443.4000	+5	TSQL 146.2	FM (analog)		—	Moe, SD
27.0	KD0MC	Luverne KD0MC	147.1050	+0.6	TSQL 141.3	FM (analog)		—	Luverne, MN
29.0	KA0VHV	Beresford KA0VHV	147.2400	+0.6	TONE 141.3	FM (analog)		—	Beresford, SD
34.9	W0VHQ	Rock Valley Perk W0VHQ	147.3000	+0.6	TSQL 110.9	FM (analog) (C4FM,FM)		—	Rock Valley, IA
38.4	W0SD	Turkey Ridge W0SD	444.9750	+5	TONE 146.2	FM (analog)		—	Turkey Ridge, SD
38.7	W0SD	Turkey Ridge W0SD	927.6000	-25	TONE 100.0	FM (analog)		—	Turkey Ridge, SD
39.5	W0DRK	Pipestone W0DRK	147.0750	+0.6	TONE 141.3	FM (analog)		—	Pipestone, MN
39.7	W0SD	Salem W0SD IRLP	145.5100	simplex	TONE 146.2	FM (analog)	IRLP 7748	—	Salem, SD
39.7	W0SD	Salem W0SD	442.0750	+5	TONE 103.5	FM (analog)		—	Salem, SD
41.0	KB0WSV	Colman KB0WSV	443.2250	+5	TONE 146.2	FM (analog)		—	Colman, SD
41.1	WG0F	Madison WG0F	442.7500	+5	none	D-STAR		—	Madison, SD
49.7	N0DCA	South Sioux City N0DCA	145.3250	-0.6	TSQL 110.9	FM (analog)		—	South Sioux City, NE
0.7	W0ZWY offline	Sioux Falls W0ZWY	444.2000	+5	TSQL 82.5	FM (analog) (FM,C4FM)		—	Sioux Falls, SD
3.2	K0LTN offline	Harrisburg McFar K0LTN	442.4000	+5	TONE 225.7	FM (analog)		—	Harrisburg, SD
38.5	K0TGA offline	Flandreau K0TGA	146.9850	-0.6	TONE 146.2	FM (analog)		—	Flandreau, SD
41.0	KB0MRG offline	Madison KB0MRG	440.1750	+5	TONE 131.8	FM (analog)		—	Madison, SD