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

DUANE J LORENZ

FRN 0005577887 · first licensed Aug 10, 2001 as KB0TTC · 1 license on record

📝 FCC applications (11)

Received	File number	Service	Purpose	Status	Call
Jul 25, 2025	0011663645	HAM	Renewal	Granted	KB0TTC
Jul 6, 2015	0006865541	HAM	Renewal	Granted	KB0TTC
May 12, 2014	0006280537	HAM	Administrative update	Granted	KB0TTC
Apr 17, 2013	0005741794	HAM	Administrative update	Granted	KB0TTC
Feb 23, 2012	0005088493	HAM	Modification	Granted	KB0TTC
Nov 14, 2011	0004952369	HAM	Administrative update	Granted	KB0TTC
Sep 22, 2009	0003972524	HAM	Administrative update	Granted	KB0TTC
May 4, 2009	0003828146	HAM	Administrative update	Granted	KB0TTC
May 23, 2005	0002171289	HAM	Renewal	Granted	KB0TTC
Jan 17, 2003	0001162897	HAM	Administrative update	Granted	KB0TTC
Aug 10, 2001	0000556763	HAM	Modification	Granted	KB0TTC

Complete licensing history

KB0TTC Active Amateur Extra Aug 10, 2001 → expires Aug 19, 2035

Licensee
DUANE J LORENZ

Address
604 E 2ND ST
COLTON, SD 57018
43.7891, -96.9237 (street) · Grid EN13ms · CQ 4 · ITU 7 · map ↗

FRN
0005577887

Last granted
Jul 26, 2025

Effective
Jul 26, 2025

Last action
Jul 26, 2025
FCC actions (12)
- Jul 26, 2025 — License renewed LIREN
- Jul 8, 2015 — License renewed LIREN
- May 12, 2014 — Administrative update LIAUA
- Apr 17, 2013 — Administrative update LIAUA
- Feb 23, 2012 — License modified LIMOD
- Nov 14, 2011 — Administrative update LIAUA
- Sep 24, 2009 — Administrative update LIAUA
- May 6, 2009 — Administrative update LIAUA
- May 23, 2005 — License renewed LIREN
- Jan 18, 2003 — Administrative update LIAUA
- Aug 10, 2001 — License modified LIMOD
- Aug 10, 2001 — FCC action LITIN

Address history

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

Seen May 22, 2014 → Oct 4, 2026 · 37 snapshots · as KB0TTC
DUANE J LORENZ
604 E 2ND ST, COLTON, SD 57018
43.7891, -96.9237 (street) · Grid EN13ms · CQ 4 · ITU 7 · map ↗
Seen Oct 22, 2013 → Mar 28, 2014 · 2 snapshots · as KB0TTC
DUANE J LORENZ
400 S 4TH AVE 105, SIOUX FALLS, SD 57104
43.6030, -96.7043 (ZIP center) · Grid EN13po · CQ 4 · ITU 7 · map ↗
Seen May 28, 2012 → Apr 12, 2013 · 5 snapshots · as KB0TTC
DUANE J LORENZ
405 E 12TH ST 109, SIOUX FALLS, SD 57104
43.6030, -96.7043 (ZIP center) · Grid EN13po · CQ 4 · ITU 7 · map ↗
Seen May 27, 2010 → Nov 10, 2011 · 3 snapshots · as KB0TTC
DUANE J LORENZ
Attn: DUANE J LORENZ
PO Box 192
BALTIC, SD 57003
43.7463, -96.7554 (ZIP center) · Grid EN13or · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KB0TTC
Duane J Lorenz
2110 22nd ave.S #43, Brookings, SD 57006
44.3162, -96.7944 (ZIP center) · Grid EN14oh · CQ 4 · ITU 7 · map ↗

Nets

Net	When	Frequency	Role	Times	Last
YL SYSTEM 2ND PERIOD	Mon, Wed, Thu, Fri 11:45 AM · Wed, Thu 11:30 AM ET	14.332	Checked in	2	2026-09-24
California Hawaii Net	Mon 10:00 AM UTC	14.340	Checked in	1	2026-09-02

From nets logged with NetLogger since the start of collection.

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
17.6	WG0F	Madison WG0F	442.7500	+5	none	D-STAR		—	Madison, SD
19.7	WD0EXR	Sioux Falls WD0EXR BM	443.4000	+5	CC1	DMR	BrandMeister 310165	—	Sioux Falls, SD
19.7	N0RCY	Sioux Falls SD N0RCY BM	429.0000	-1	CC1	DMR	BrandMeister 3193241	—	Sioux Falls, SD, L0C, SD
19.9	W0FSD	Sioux Falls Menl W0FSD	223.8600	-1.6	TONE 146.2	FM (analog)		—	Sioux Falls, SD
19.9	KD0ZP	Sioux Falls Menl KD0ZP	444.8250	+5	TONE 103.5	FM (analog)		—	Sioux Falls, SD
19.9	KC0RFR	Sioux Falls KC0RFR	443.5000	+5	TONE 88.5	FM (analog) (FM,C4FM)		—	Sioux Falls, SD
20.1	KE0WPC	Sioux Falls KE0WPC AllStar	443.8000	+5	DCS 174	FM (analog)	AllStar 632880	—	Sioux Falls, SD
20.1	KD0ZP	Sioux Falls KD0ZP EchoLink	444.9000	+5	TONE 146.2	FM (analog)	EchoLink 74079	—	Sioux Falls, SD
20.8	KB0WSV	Colman KB0WSV	443.2250	+5	TONE 146.2	FM (analog)		—	Colman, SD
22.0	W0ZWY	Sioux Falls W0ZWY	146.8950	-0.6	TONE 146.2	FM (analog)		—	Sioux Falls, SD
22.0	W0ZWY	Sioux Falls W0ZWY	442.7500	+5	none	D-STAR		—	Sioux Falls, SD
22.6	W0ZML	Sioux Falls W0ZML AllStar	443.3000	+5	TONE 146.2	FM (analog) (DMR,FM)	AllStar 631740 BrandMeister 314644	—	Sioux Falls, SD
23.5	N4OGL	Sioux Falls N4OGL BM	446.5000	-5	CC1	DMR	BrandMeister 310677001	—	Sioux Falls, SD
27.7	W0SD	Salem W0SD IRLP	145.5100	simplex	TONE 146.2	FM (analog)	IRLP 7748	—	Salem, SD
27.7	W0SD	Salem W0SD	442.0750	+5	TONE 103.5	FM (analog)		—	Salem, SD
33.5	W0DRK	Pipestone W0DRK	147.0750	+0.6	TONE 141.3	FM (analog)		—	Pipestone, MN
37.0	KD0MC	Luverne KD0MC	147.1050	+0.6	TSQL 141.3	FM (analog)		—	Luverne, MN
43.5	W0SD	Turkey Ridge W0SD	444.9750	+5	TONE 146.2	FM (analog)		—	Turkey Ridge, SD
43.9	W0SD	Turkey Ridge W0SD	927.6000	-25	TONE 100.0	FM (analog)		—	Turkey Ridge, SD
44.8	N0JPE	Fairview N0JPE IRLP	146.5600	simplex	TONE 67.0	FM (analog)	IRLP 7449 IRLP 7375	—	Fairview, SD
45.1	W0BXO	Brookings W0BXO EchoLink	146.9400	-0.6	TONE 110.9	FM (analog)	EchoLink 409605	—	Brookings, SD
45.4	W0ZML	Moe W0ZML	443.4000	+5	TSQL 146.2	FM (analog)		—	Moe, SD
49.5	KA0VHV	Beresford KA0VHV	147.2400	+0.6	TONE 141.3	FM (analog)		—	Beresford, SD
17.6	KB0MRG offline	Madison KB0MRG	440.1750	+5	TONE 131.8	FM (analog)		—	Madison, SD
22.9	W0ZWY offline	Sioux Falls W0ZWY	444.2000	+5	TSQL 82.5	FM (analog) (FM,C4FM)		—	Sioux Falls, SD
24.3	K0TGA offline	Flandreau K0TGA	146.9850	-0.6	TONE 146.2	FM (analog)		—	Flandreau, SD
26.2	K0LTN offline	Harrisburg McFar K0LTN	442.4000	+5	TONE 225.7	FM (analog)		—	Harrisburg, SD
36.9	N0VEK offline	Volga N0VEK WIRES-X	444.0500	+5	TSQL 136.5	FM (analog) (FM,C4FM)	WIRES-X 11225	—	Volga, SD