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

David H Mehlhoff

FRN 0002245645 · first licensed Mar 18, 2004 as KB0YXZ · 3 licenses on record

📝 FCC applications (25)

Received	File number	Service	Purpose	Status	Call
Mar 8, 2019	0008557217	HAM	Duplicate license	Granted	WW0L
Feb 13, 2019	0008525755	HAM	Modification	Granted	W0NWT
Jan 31, 2019	0008496268	HAM	Withdrawal	Withdrawn	W0NWT
Oct 22, 2018	0008410032	HAM	Renewal	Granted	W0NWT
Aug 14, 2018	0008317174	HAM	Modification	Dismissed	W0NWT
Jun 11, 2018	0008245157	HAM	Modification	Dismissed	W0NWT
Jun 8, 2018	0008243043	HAM	Modification	Dismissed	W0NWT
May 23, 2018	0008221429	HAM	Modification	Dismissed	W0NWT
May 15, 2018	0008210965	HAM	Modification	Dismissed	W0NWT
May 8, 2018	0008202974	HAM	Modification	Dismissed	W0NWT
May 7, 2018	0008201333	HAM	Modification	Dismissed	W0NWT
May 7, 2018	0008200760	HAM	Modification	Dismissed	W0NWT
Apr 30, 2018	0008191789	HAM	Modification	Dismissed	W0NWT
Apr 30, 2018	0008171064	HAM	Withdrawal	Withdrawn	W0NWT
Apr 13, 2018	0008173686	HAM	Modification	Dismissed	W0NWT
Apr 12, 2018	0008171287	HAM	Modification	Dismissed	W0NWT
Mar 2, 2018	0008119111	HAM	Modification	Dismissed	W0NWT
Feb 27, 2018	0008113853	HAM	Modification	Dismissed	W0NWT
Dec 28, 2017	0008044007	HAM	Modification	Granted	W0NWT
Oct 29, 2013	0005989286	HAM	Administrative update	Granted	W0NWT
Dec 2, 2008	0003657580	HAM	Amendment	Granted	KB0YXZ
Mar 5, 2007	0002935111	HAM	Modification	Granted	KB0YXZ
Aug 15, 2006	0002715177	HAM	Renewal	Granted	KB0YXZ
Nov 28, 2005	0002391676	HAM	Administrative update	Granted	KB0YXZ
Mar 17, 2004	0001658871	HAM	Administrative update	Granted	KB0YXZ

Complete licensing history

WW0L Active Amateur Extra · vanity Mar 5, 2019 → expires Mar 5, 2029

Licensee
David H Mehlhoff

Address
2640 130th St NW Lot 138
Aberdeen, SD 57401
45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗

FRN
0002245645

Previous call
W0NWT (General)

Last granted
Mar 5, 2019

Effective
Mar 5, 2019

Last action
Mar 5, 2019
FCC actions (2)
- Mar 5, 2019 — Vanity call sign granted VANGRT
- Mar 5, 2019 — License issued LIISS
📦 Moved: Fort Pierre, SD → Aberdeen, SD

W0NWT Canceled Amateur Extra · vanity Dec 20, 2008 → Mar 5, 2019 (canceled)

Licensee
David H Mehlhoff

Address
2640 130th St NW Lot 138
Aberdeen, SD 57401
45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗

FRN
0002245645

Previous call
KB0YXZ (General)

Last granted
Oct 23, 2018

Effective
Oct 23, 2018

Last action
Mar 5, 2019
FCC actions (6)
- Mar 5, 2019 — License canceled LICAN
- Oct 23, 2018 — License renewed LIREN
- Dec 28, 2017 — License modified LIMOD
- Oct 30, 2013 — Administrative update LIAUA
- Dec 20, 2008 — Vanity call sign granted VANGRT
- Dec 20, 2008 — License issued LIISS
KB0YXZ Canceled General Mar 18, 2004 → Dec 20, 2008 (canceled)

Licensee
David H Mehlhoff

Address
Attn: David H Mehlhoff
2101 Waldron Street
Fort Pierre, SD 57532
44.3649, -100.5656 (ZIP center) · Grid DN94ri · CQ 4 · ITU 7 · map ↗

FRN
0002245645

Last granted
Aug 16, 2006

Effective
Mar 5, 2007

Last action
Dec 20, 2008
FCC actions (5)
- Dec 20, 2008 — License canceled LICAN
- Mar 5, 2007 — License modified LIMOD
- Aug 16, 2006 — License renewed LIREN
- Nov 29, 2005 — Administrative update LIAUA
- Mar 18, 2004 — Administrative update LIAUA

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 · 52 snapshots · as W0NWT
David H Mehlhoff
2640 130th St NW Lot 138, Aberdeen, SD 57401
45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 56 snapshots · as KB0YXZ
David H Mehlhoff
Attn: David H Mehlhoff
2101 Waldron Street, Fort Pierre, SD 57532
44.3649, -100.5656 (ZIP center) · Grid DN94ri · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KB0YXZ
DAVID H MEHLHOFF
4100 NW 66th St. #152, Medford, MN 55049
44.1766, -93.2380 (ZIP center) · Grid EN34je · CQ 4 · ITU 7 · map ↗

Repeaters within 50 miles

12 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
0.1	N9TDE	Aberdeen N9TDE AllStar	444.4000	simplex	TONE 146.2	FM (analog)	AllStar 46614 AllStar 466140 AllStar 466141	—	Aberdeen, SD
0.1	N9TDE	Aberdeen N9TDE AllStar	146.4400	simplex	TONE 146.2	FM (analog)	AllStar 466142	—	Aberdeen, SD
3.4	W0ABR	Aberdeen W0ABR	146.9100	-0.6	none	FM (analog)		—	Aberdeen, SD
3.4	no call listed	Aberdeen South Dakota	442.6250	+5	none	FM (analog)		—	Aberdeen, SD
10.3	WB0JZZ	Bath WB0JZZ	443.4000	+5	none	FM (analog)		—	Bath, SD
10.3	WB0TPF	Bath WB0TPF IRLP	147.0300	+0.6	TONE 146.2	FM (analog)	IRLP 7046	—	Bath, SD
32.8	KC5ZCH	Forbes KC5ZCH IRLP	145.3300	-0.6	TONE 136.5	FM (analog)	IRLP 7046	—	Forbes, ND
33.9	KC0MYX	Pierpont KC0MYX IRLP	147.3300	+0.6	TONE 146.2	FM (analog)	IRLP 7046	—	Pierpont, SD
36.4	N0AHL	Crandall Hl N0AHL	146.7900	-0.6	TONE 146.2	FM (analog)		—	Crandall, SD
45.2	KC0MYX	Webster KC0MYX IRLP	442.1000	+5	TONE 88.5	FM (analog)	IRLP 8113	—	Webster, SD
46.0	WD0BIA	Redfield WD0BIA	147.1500	+0.6	TONE 146.2	FM (analog)		—	Redfield, SD
9.7	N0AHL offline	Aberdeen N0AHL AllStar	147.0300	+0.6	TSQL 146.2	FM (analog)	IRLP 7046 AllStar 466140	—	Aberdeen, SD

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Feb 13, 2019 Granted Mar 5, 2019 0008525755	W0NWT · David H Mehlhoff · Amateur Extra 2640 130th St NW Lot 138, Aberdeen, SD 57401 45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗	1.WW0L ✓ granted 2.W0ZI held by JOHN P MORPHET until Mar 5, 2029 3.N0SR held by GERALD E HURT JR until Feb 26, 2029	Granted got WW0L
Filed Aug 14, 2018 Award date was Sep 1, 2018 0008317174	W0NWT · David H Mehlhoff · Amateur Extra 2640 130th St NW Lot 138, Aberdeen, SD 57401 45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗	1.W0NP held by David S Dill until Feb 5, 2032	Dismissed
Filed Jun 11, 2018 Award date was Jun 29, 2018 0008245157	W0NWT · David H Mehlhoff · Amateur Extra 2640 130th St NW Lot 138, Aberdeen, SD 57401 45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗	1.N0WT held by GLENN O KALLEVIG until Jul 26, 2029	Dismissed
Filed Jun 8, 2018 Award date was Jun 26, 2018 0008243043	W0NWT · David H Mehlhoff · Amateur Extra 2640 130th St NW Lot 138, Aberdeen, SD 57401 45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗	1.N0WT held by GLENN O KALLEVIG until Jul 26, 2029	Dismissed
Filed May 23, 2018 Award date was Jun 10, 2018 0008221429	W0NWT · David H Mehlhoff · Amateur Extra 2640 130th St NW Lot 138, Aberdeen, SD 57401 45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗	1.NZ0Z held by GREGORY L WOODS until May 25, 2028	Dismissed
Filed May 15, 2018 Award date was Jun 2, 2018 0008210965	W0NWT · David H Mehlhoff · Amateur Extra 2640 130th St NW Lot 138, Aberdeen, SD 57401 45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗	1.N0ZL held by Shireesh Verma until Jun 2, 2028	Dismissed
Filed May 8, 2018 Award date was May 26, 2018 0008202974	W0NWT · David H Mehlhoff · Amateur Extra 2640 130th St NW Lot 138, Aberdeen, SD 57401 45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗	1.K0DC held by JAMES D ASP until May 15, 2028	Dismissed
Filed May 7, 2018 Award date was May 25, 2018 0008200760	W0NWT · David H Mehlhoff · Amateur Extra 2640 130th St NW Lot 138, Aberdeen, SD 57401 45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗	1.K0DC held by JAMES D ASP until May 15, 2028	Dismissed
Filed May 7, 2018 Award date was May 25, 2018 0008201333	W0NWT · David H Mehlhoff · Amateur Extra 2640 130th St NW Lot 138, Aberdeen, SD 57401 45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗	1.NZ0Z held by GREGORY L WOODS until May 25, 2028	Dismissed
Filed Apr 30, 2018 Award date was May 18, 2018 0008191789	W0NWT · David H Mehlhoff · Amateur Extra 2640 130th St NW Lot 138, Aberdeen, SD 57401 45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗	1.K0DC held by JAMES D ASP until May 15, 2028	Dismissed
Filed Apr 13, 2018 Award date was May 1, 2018 0008173686	W0NWT · David H Mehlhoff · Amateur Extra 2640 130th St NW Lot 138, Aberdeen, SD 57401 45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗	1.K0DC held by JAMES D ASP until May 15, 2028	Dismissed
Filed Apr 12, 2018 Award date was Apr 30, 2018 0008171287	W0NWT · David H Mehlhoff · Amateur Extra 2640 130th St NW Lot 138, Aberdeen, SD 57401 45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗	1.NZ0Z held by GREGORY L WOODS until May 25, 2028	Dismissed
Filed Mar 2, 2018 Award date was Mar 20, 2018 0008119111	W0NWT · David H Mehlhoff · Amateur Extra 2640 130th St NW Lot 138, Aberdeen, SD 57401 45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗	1.AZ0Z	Dismissed
Filed Feb 27, 2018 Award date was Mar 17, 2018 0008113853	W0NWT · David H Mehlhoff · Amateur Extra 2640 130th St NW Lot 138, Aberdeen, SD 57401 45.5032, -98.5305 (street) · Grid EN05rm · CQ 4 · ITU 7 · map ↗	1.AW0T	Dismissed
Filed Dec 2, 2008 Granted Oct 23, 2018 0003657580	KB0YXZ · David H Mehlhoff · General Attn: David H Mehlhoff · 2101 Waldron Street, Fort Pierre, SD 57532 44.3649, -100.5656 (ZIP center) · Grid DN94ri · CQ 4 · ITU 7 · map ↗	1.W0NWT ✓ granted 2.KB0YZ available	Granted got W0NWT