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

Donald A Jarvinen

FRN 0012858759 · first licensed Feb 24, 2005 as KC0TXV · 2 licenses on record

📝 FCC applications (7)

Received	File number	Service	Purpose	Status	Call
Dec 19, 2024	0011373609	HAM	Renewal	Granted	K0DAJ
Jun 21, 2022	0010099702	HAM	Administrative update	Granted	K0DAJ
Jun 17, 2015	0006844478	HAM	Modification	Granted	K0DAJ
Dec 31, 2014	0006600746	HAM	Renewal	Granted	K0DAJ
Mar 15, 2013	0005693732	HAM	Modification	Granted	K0DAJ
Feb 28, 2005	0002062062	HAM	Modification	Granted	KC0TXV
Feb 24, 2005	0002059189	HAM	New license	Granted	KC0TXV

Complete licensing history

K0DAJ Active Amateur Extra · vanity Mar 18, 2005 → expires Mar 18, 2035

Licensee
Donald A Jarvinen

Address
3641 Serendipity Ln
Rapid City, SD 57702
44.0503, -103.2938 (street) · Grid DN84ib · CQ 4 · ITU 7 · map ↗

FRN
0012858759

Previous call
KC0TXV (General)

Last granted
Dec 21, 2024

Effective
Dec 21, 2024

Last action
Dec 21, 2024
FCC actions (7)
- Dec 21, 2024 — License renewed LIREN
- Jun 22, 2022 — Administrative update LIAUA
- Jun 17, 2015 — License modified LIMOD
- Jan 3, 2015 — License renewed LIREN
- Mar 15, 2013 — License modified LIMOD
- Mar 18, 2005 — Vanity call sign granted VANGRT
- Mar 18, 2005 — License issued LIISS
KC0TXV Canceled Technician Feb 24, 2005 → Mar 18, 2005 (canceled)

Licensee
Donald A Jarvinen

Address
3641 Serendipity Ln
Rapid City, SD 57702
44.0503, -103.2938 (street) · Grid DN84ib · CQ 4 · ITU 7 · map ↗

FRN
0012858759

Last granted
Feb 24, 2005

Effective
Feb 24, 2005

Last action
Mar 18, 2005
FCC actions (3)
- Mar 18, 2005 — License canceled LICAN
- Feb 24, 2005 — License issued LIISS
- Feb 24, 2005 — 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 May 27, 2010 → Oct 4, 2026 · 94 snapshots · as KC0TXV
Donald A Jarvinen
3641 Serendipity Ln, Rapid City, SD 57702
44.0503, -103.2938 (street) · Grid DN84ib · CQ 4 · ITU 7 · map ↗

Repeaters within 50 miles

27 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
9.8	KF0MKE	Rapid City KF0MKE BM	434.5500	+5	CC1	DMR	BrandMeister 319937602	—	Rapid City, SD
10.6	W0BLK	Rapid City Radar W0BLK	146.9400	-0.6	TONE 146.2	FM (analog)		—	Rapid City, SD
10.6	W0BLK	Rapid City Radar W0BLK AllStar	444.5750	+5	TSQL 146.2	FM (analog)	AllStar 54962 EchoLink 732271	—	Rapid City, SD
10.6	KE0QIB	Rapid City Radar KE0QIB	444.7500	+5	TSQL 146.2	FM (analog)		—	Rapid City, SD
23.1	K0HS	Custer Mt K0HS	147.1200	+0.6	TSQL 146.2	FM (analog)		—	Custer, SD
23.1	K0HS	Custer Mt K0HS WIRES-X	444.1200	+5	DCS 025	FM (analog) (FM,C4FM)	WIRES-X 21493	—	Custer, SD
24.8	WN6QJN	Custer WN6QJN	147.0900	+0.6	TSQL 146.2	FM (analog)		—	Custer, SD
24.8	K0ORK	Custer K0ORK WIRES-X	444.1200	+5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 98878	—	Custer, SD
25.6	KC0BXH	Custer Bear Mtn KC0BXH	146.8500	-0.6	TONE 146.2	FM (analog)		—	Custer, SD
26.0	K0HS	Custer Bear Mtn K0HS	444.8500	+5	none	FM (analog)		—	Custer, SD
31.3	WB0JEK	Lead Terry Pk WB0JEK	443.6500	+5	TSQL 131.8	FM (analog)		—	Lead, SD
32.9	KC0BXH	Lead Terry Pk KC0BXH	146.7600	-0.6	TSQL 146.2	FM (analog)		—	Lead, SD
32.9	WB0JEK	Lead Terry Pk WB0JEK	147.0300	+0.6	TONE 146.2	FM (analog)		—	Lead, SD
33.0	KC0BXH	Lead Terry Pk KC0BXH	444.9750	+5	TSQL 146.2	FM (analog)		—	Lead, SD
37.0	K0HS	Custer Pass K0HS WIRES-X	147.1500	+0.6	TSQL 146.2	FM (analog) (FM,C4FM)	WIRES-X 21493	—	Custer, SD
37.0	K0ORK	Hot Springs K0ORK WIRES-X	147.7500	-0.6	DG-ID 00-00	Fusion (C4FM)	WIRES-X 92626	—	Hot Springs, SD
42.4	NE7WY	Newcastle Mt NE7WY	147.3000	+0.6	TSQL 162.2	FM (analog)		—	Newcastle, WY
42.6	K0ORK	Hot springs K0ORK WIRES-X	449.7000	-5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 94494	—	Hot springs, SD
42.7	K0HS	Hot Springs Batt K0HS	146.7000	-0.6	TONE 146.2	FM (analog)		—	Hot Springs, SD
42.7	K0HS	Hot Springs Batt K0HS WIRES-X	444.7000	+5	DCS 025	FM (analog) (FM,C4FM)	WIRES-X 21493	—	Hot Springs, SD
44.2	W0FUI	Hot Springs W0FUI IRLP	146.4750	simplex	TONE 146.2	FM (analog)	IRLP 7976	—	Hot Springs, SD
3.5	K0LGB offline	RAPID CITY K0LGB IRLP	147.4700	simplex	TSQL 146.2	FM (analog)	IRLP 8701	—	RAPID CITY, SD
3.8	W0RE offline	Rapid City W0RE	444.2000	+5	TSQL 146.2	FM (analog)		—	Rapid City, SD
3.9	WA0MFZ offline	Rapid City WA0MFZ IRLP	147.5700	simplex	TSQL 146.2	FM (analog)	IRLP 4044	—	Rapid City, SD
9.4	N6SGX offline	Rapid City N6SGX IRLP	446.0000	simplex	TSQL 100.0	FM (analog)	IRLP 3967	—	Rapid City, SD
10.6	KE0QIB offline	Rapid City Radar KE0QIB BM	444.7000	+5	CC1	DMR	BrandMeister 312555	—	Rapid City, SD
25.4	WN6QJN offline	Custer Bear Mtn WN6QJN	53.1700	-1	TSQL 146.2	FM (analog)		—	Custer, SD

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Feb 28, 2005 Granted Dec 21, 2024 0002062062	KC0TXV · Donald A Jarvinen · Technician 3641 Serendipity Ln, Rapid City, SD 57702 44.0503, -103.2938 (street) · Grid DN84ib · CQ 4 · ITU 7 · map ↗	1.K0DAJ ✓ granted 2.W0GIS held 3.K0RAP held 4.W0GIS held 5.K0FBK 6.NF0DON 7.NF0VPS	Granted got K0DAJ