N9TPB FCC License Search
🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 4, 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

David K Tolsdorf

FRN 0022266324 · first licensed Dec 12, 2012 as KD0TXH · 2 licenses on record

📝 FCC applications (7)

ReceivedFile numberServicePurposeStatusCall
Jan 20, 20260011875566 HAMRenewalGranted AI0A
Jan 26, 20160007108570 HAMModificationGranted KD0TXH
Oct 5, 20150006970159 HAMModificationDismissed KD0TXH
Aug 27, 20150006928859 HAMModificationDismissed KD0TXH
Mar 9, 20150006698097 HAMModificationGranted KD0TXH
Dec 28, 20120005577607 HAMModificationGranted KD0TXH
Dec 12, 20120005548466 HAMNew licenseGranted KD0TXH

Complete licensing history

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

Nets

NetWhenFrequencyRoleTimesLast
OMISS 80m SSB NetSat 10:30 PM ET3.835Checked in22026-10-04
OMISS 40m SSB NetWed, Thu, Fri, Sat 5:15 PM · Tue 5:30 PM PT7.218Checked in22026-09-13
OMISS 40m SSB NetSun 6:15 PM · Sun 6:30 PM MT7.185Checked in12026-10-05
OMISS 40m SSB NetSat 8:30 PM ET7.213Checked in12026-10-04
OMISS 17m SSB NetSat 2:00 PM · Sat 2:15 PM · Sun 2:30 PM ET18.158Checked in12026-10-03
OMISS 20m SSB NetSat 1:30 PM · Thu 1:45 PM ET14.294Checked in12026-10-03
OMISS 40m SSB NetMon, Tue, Wed, Fri, Sat 8:15 PM · Mon, Thu 8:30 PM · Thu 10:15 PM ET7.192Checked in12026-09-29
OMISS 40m SSB NetMon, Wed, Fri, Sat 7:15 PM · Tue, Wed 7:30 PM CT7.195Checked in12026-09-27

From nets logged with NetLogger since the start of collection.

Repeaters within 50 miles

94 repeaters within 50 miles of this ZIP code, 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 · center is the ZIP code (approximate) · 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)
MilesCallNameOutputOffsetToneModeNetworksActivityLocation
4.7 N0AN Ogden
N0AN
 438.5000 simplex none FM (analog) (FM,C4FM) — Ogden, IA
9.7 KB0TLM Boone Hosp
KB0TLM
 146.8500 -0.6 TSQL 114.8 FM (analog) — Boone, IA
9.7 KB0TLM Boone Hosp
KB0TLM
 443.9000 +5 none FM (analog) — Boone, IA
9.7 KB0TLM Boone Hosp
KB0TLM
 443.0750 +5 CC1 DMR — Boone, IA
10.0 N0ISU Boone
N0ISU BM
 443.0750 +5 CC1 DMR BrandMeister 311402 — Boone, IA
16.5 KD0NEB Perry L Avenue/
KD0NEB AllStar
 145.1900 -0.6 TSQL 114.8 FM (analog) (FM,C4FM) AllStar 47282 EchoLink 710459 — Perry, IA
19.6 N2RDP Herndon
N2RDP
 444.2750 +5 TSQL 151.4 FM (analog) (FM,P25) — Herndon, IA
20.1 N0CF Ames
N0CF BM
 441.9875 +5 CC1 DMR BrandMeister 311905 BrandMeister 310298 — Ames, IA
21.1 W0YR Ames Bloomington
W0YR BM
 443.9750 +5 CC1 DMR BrandMeister 311940 — Ames, IA
21.5 W0ISU Ames ISU
W0ISU
 147.3750 +0.6 TSQL 114.8 FM (analog) — Ames, IA
21.5 W0ISU Ames ISU
W0ISU
 442.3750 +5 TONE 114.8 FM (analog) (FM,C4FM) — Ames, IA
21.5 W0ISU Ames ISU
W0ISU
 443.3750 +5 TONE 114.8 FM (analog) — Ames, IA
22.3 N0CF Ames
N0CF
 444.6500 +5 TSQL 114.8 FM (analog) — Ames, IA
22.3 W0YL Ames
W0YL
 147.2400 +0.6 TONE 114.8 FM (analog) — Ames, IA
22.4 W0QFK Sheldahl
W0QFK EchoLink
 147.0750 +0.6 TONE 114.8 FM (analog) EchoLink 210808 — Sheldahl, IA
22.9 W0YL Ames
W0YL
 443.2500 +5 TSQL 114.8 FM (analog) — Ames, IA
22.9 W0DP Ames
W0DP
 444.2500 +5 TONE 114.8 FM (analog) — Ames, IA
23.6 WA0UZI Scranton
WA0UZI AllStar
 444.3000 +5 TSQL 110.9 FM (analog) (FM,P25) AllStar 596700 — Scranton, IA
24.8 N0VPR Scranton
N0VPR BM
 444.3000 +5 CC1 DMR BrandMeister — Scranton, IA
25.0 KB0SL Des Moines
KB0SL
 927.9000 -25 DCS 023 FM (analog) — Des Moines, IA
27.0 K0HU Otho
K0HU yes
 443.5750 +5 CC5 DMR yes — Otho, IA
27.9 N0INX Grimes
N0INX
 927.0250 -25 DCS 156 FM (analog) — Grimes, IA
28.0 N0GIK Alleman WHO
N0GIK AllStar
 444.5750 +5 TSQL 151.4 FM (analog) AllStar 661963 — Alleman, IA
28.6 K0KDS Urbandale
K0KDS BM
 441.2000 +5 CC12 DMR BrandMeister 311927201 — Urbandale, IA
29.6 N0VPR Johnston
N0VPR BM
 442.5000 +5 CC1 DMR BrandMeister 311647 — Johnston, IA
29.6 N0VPR Johnston
N0VPR BM
 442.5750 +5 CC1 DMR BrandMeister 311934 — Johnston, IA
30.2 N0GIK Adel
N0GIK BM
 444.5250 +5 CC1 DMR BrandMeister 312362 — Adel, IA
30.5 N0INX Grimes
N0INX BM
 444.7250 +5 CC1 DMR BrandMeister 311929 — Grimes, IA
30.5 N0INX Grimes
N0INX
 53.2500 in 51.5500 TSQL 110.9 FM (analog) — Grimes, IA
30.5 N0INX Grimes
N0INX
 146.6100 -0.6 TSQL 114.8 FM (analog) — Grimes, IA
30.5 N0INX Grimes
N0INX
 224.5400 -1.6 TSQL 114.8 FM (analog) — Grimes, IA
30.5 N0INX Grimes
N0INX
 443.0500 +5 TSQL 151.4 FM (analog) — Grimes, IA
30.5 N0INX Grimes
N0INX
 443.4000 +5 TSQL 151.4 FM (analog) — Grimes, IA
31.1 KC0MTI Johnston Camp
KC0MTI
 444.4250 +5 TONE 151.4 FM (analog) — Johnston, IA
31.3 KC0YHU Urbandale
KC0YHU TGIF
 147.3000 +0.6 CC1 DMR TGIF — Urbandale, IA
31.5 KC0MTI Johnston Camp
KC0MTI
 146.7000 -0.6 TSQL 114.8 FM (analog) — Johnston, IA
31.5 KC0MTI Johnston Camp
KC0MTI
 147.1650 +0.6 TONE 114.8 FM (analog) — Johnston, IA
31.5 KC0MTI Johnston
KC0MTI
 442.8000 +5 TONE 151.4 FM (analog) — Johnston, IA
32.2 N0PSF Webster City
N0PSF
 146.9100 -0.6 none FM (analog) — Webster City, IA
32.2 K0KWO Webster City
K0KWO
 147.0150 +0.6 TONE 103.5 FM (analog) (FM,C4FM) — Webster City, IA
32.3 K0RJV Fort Dodge
K0RJV
 146.6850 -0.6 TONE 110.9 FM (analog) — Fort Dodge, IA
32.3 K0WL Urbandale
K0WL AllStar
 446.1000 simplex TONE 103.5 FM (analog) AllStar 515690 — Urbandale, IA
35.0 W0AK Des Moines VA
W0AK
 146.9850 -0.6 TONE 114.8 FM (analog) — Des Moines, IA
35.0 KR4GQ West Des Moines
KR4GQ BM
 446.5000 -5 CC1 DMR BrandMeister 3119569 — West Des Moines, IA
35.4 AE0BB Van Meter
AE0BB BM
 445.5250 -5 CC1 DMR BrandMeister 3119558 — Van Meter, IA
35.6 KB0NFF Des Moines
KB0NFF
 146.8950 -0.6 TSQL 114.8 FM (analog) (FM,C4FM) — Des Moines, IA
35.6 KB0NFF Des Moines
KB0NFF
 444.1750 +5 TSQL 151.4 FM (analog) — Des Moines, IA
35.6 KB0NFF Des Moines
KB0NFF
 145.3900 -0.6 TSQL 114.8 FM (analog) — Des Moines, IA
35.6 KB0NFF Des Moines
KB0NFF
 443.6750 +5 TSQL 151.4 FM (analog) (FM,C4FM) — Des Moines, IA
36.0 W0KWM
Listed as W0KWM DESMOINES
 Des Moines
W0KWM BM
 443.5000 +5 CC1 DMR BrandMeister 311943 — Des Moines, IA
36.2 K0FBP Rockwell City
K0FBP EchoLink
 145.4900 -0.6 TSQL 110.9 FM (analog) (FM,C4FM) EchoLink 302449 — Rockwell City, IA
36.2 K0FBP Rockwell City
K0FBP EchoLink
 443.6250 +5 TSQL 110.9 FM (analog) (FM,C4FM) EchoLink 302449 — Rockwell City, IA
36.2 W0DM Alleman BA Farm
W0DM EchoLink
 145.3100 -0.6 TSQL 114.8 FM (analog) (C4FM,FM) WIRES-X 40089 EchoLink 509854 WIRES-X 30089 — Alleman, IA
36.3 W0AK Des Moines Broad
W0AK
 145.1300 -0.6 TSQL 114.8 FM (analog) (FM,C4FM) — Des Moines, IA
36.3 K0DSM Des Moines Broad
K0DSM
 444.0500 +5 TSQL 151.4 FM (analog) — Des Moines, IA
37.8 K0DSM Des Moines Metho
K0DSM
 444.1000 +5 TSQL 151.4 FM (analog) — Des Moines, IA
38.2 N0GIK Des Moines Wavel
N0GIK
 443.5000 +5 CC1 DMR — Des Moines, IA
38.2 N8LO Des Moines
N8LO BM
 446.4625 -5 CC1 DMR BrandMeister 3189552 — Des Moines, IA
39.4 N0MB Bondurant
N0MB BM
 443.8375 +5 CC1 DMR BrandMeister 311924 — Bondurant, IA
39.6 W0RAY Menlo
W0RAY BM
 444.5500 +5 TONE 114.8 FM (analog) (DMR,FM) BrandMeister 311936 — Menlo, IA
39.6 N0GIK Menlo
N0GIK
 147.0450 +0.6 TONE 114.8 FM (analog) — Menlo, IA
39.7 W0RAY Des Moines
W0RAY BM
 146.7550 -0.6 CC1 DMR BrandMeister 310011 — Des Moines, IA
39.7 N0VPR Des Moines
N0VPR BM
 443.1000 +5 CC1 DMR BrandMeister 311945 — Des Moines, IA
39.7 N0DJR Des Moines
N0DJR MeisterBur
 439.9875 +5 CC1 DMR MeisterBurger — Des Moines, IA
39.7 KD0IAN Des Moines
KD0IAN
 147.1050 +0.6 none D-STAR — Des Moines, IA
39.7 KD0IAN Des Moines
KD0IAN
 443.1750 +5 none D-STAR — Des Moines, IA
40.7 KD0WPK Des Moines Sherm
KD0WPK IRLP
 29.6700 -0.1 TSQL 103.5 FM (analog) IRLP 7652 IRLP 9452 — Des Moines, IA
40.7 W0AK Des Moines
W0AK
 146.9400 -0.6 TSQL 114.8 FM (analog) — Des Moines, IA
41.2 KF0PDS Carroll
KF0PDS BM
 438.2000 +0.6 CC1 DMR BrandMeister 320602001 — Carroll, IA
41.2 W0MCW Williams
W0MCW
 444.5000 +5 TONE 151.4 FM (analog) — Williams, IA
44.3 K0IRO Mingo
K0IRO AllStar
 146.6700 -0.6 TSQL 114.8 FM (analog) AllStar 656830 EchoLink 519632 — Mingo, IA
44.4 W0AIX Mingo
W0AIX FM
 146.6700 -0.6 CC1 DMR FM — Mingo, IA
45.4 K0IRO Mingo
K0IRO BM
 442.4250 +5 TSQL 151.4 FM (analog) (DMR,FM) BrandMeister 314757 — Mingo, IA
47.4 W0IND Bevington
W0IND EchoLink
 146.6400 -0.6 TONE 114.8 FM (analog) EchoLink 467965 — Bevington, IA
47.8 N0NAF Breda
N0NAF
 147.2850 +0.6 TONE 110.9 FM (analog) — Breda, IA
47.9 K0HU Humboldt
K0HU DCI
 147.1800 +0.6 CC1 DMR DCI — Humboldt, IA
47.9 K0HU Humboldt
K0HU BM
 442.4000 +5 CC3 DMR BrandMeister 311918 — Humboldt, IA
47.9 K0HU Humboldt
K0HU MARC
 147.3900 +0.6 CC4 DMR DMR-MARC — Humboldt, IA
48.1 K0HU Humboldt
K0HU BM
 145.5000 -0.6 CC3 DMR BrandMeister 311911 — Humboldt, IA
49.2 N0VPR Baxter
N0VPR BM
 444.6000 +5 CC1 DMR BrandMeister 310214 — Baxter, IA
49.5 KC0NFA Baxter
KC0NFA
 444.2250 +5 TSQL 151.4 FM (analog) — Baxter, IA
49.6 N0GIK Greenfield
N0GIK
 146.8650 -0.6 TONE 114.8 FM (analog) — Greenfield, IA
49.7 WA0GUD Audubon
WA0GUD WIRES-X
 147.1200 +0.6 none FM (analog) (FM,C4FM) WIRES-X 33706 — Audubon, IA
18.6 N0SFF offline Madrid
N0SFF
 442.6000 +5 TONE 151.4 FM (analog) — Madrid, IA
20.1 N0CF offline Cedar Falls
N0CF BM
 927.0875 -25 CC1 DMR BrandMeister 311921 — Cedar Falls, IA
28.6 W0DM offline Des Moines Allem
W0DM
 444.6750 +5 TSQL 114.8 FM (analog) (FM,C4FM) — Des Moines, IA
29.6 N0CXX offline Cedar Rapids
N0CXX
 147.4050 in 146.4150 none D-STAR — Cedar Rapids, IA
29.6 N0CXX offline Cedar Rapids
N0CXX
 442.0500 +5 none D-STAR — Cedar Rapids, IA
31.9 N0PBO offline Ankeny
N0PBO
 442.1750 +5 TONE 151.4 FM (analog) — Ankeny, IA
32.3 K0WL offline Urbandale
K0WL IRLP
 147.5100 simplex none FM (analog) IRLP 3385 — Urbandale, IA
33.4 K0HTF offline Urbandale
K0HTF IRLP
 147.4900 simplex TSQL 100.0 FM (analog) IRLP 7793 — Urbandale, IA
33.6 W0OBH offline Urbandale
W0OBH IRLP
 433.6500 simplex TSQL 100.0 FM (analog) IRLP 7460 — Urbandale, IA
45.7 N0BKB offline Greenfield
N0BKB BM
 444.7000 +5 CC1 DMR BrandMeister 311942 — Greenfield, IA
49.1 AA0RR offline Indianola
AA0RR
 442.7000 +5 TONE 114.8 FM (analog) — Indianola, IA

Vanity applications

Filed · AwardApplicantRequested (in order)Status
Filed Jan 26, 2016
Granted Jan 22, 2026
0007108570
 KD0TXH · David K Tolsdorf · Amateur Extra
Attn: David K Tolsdorf · PO Box 322 · Ogden, IA 50212
42.0365, -94.0660 (ZIP center) · Grid EN22xa · CQ 4 · ITU 7 · map ↗
1.AI0A ✓ granted
 Granted
got AI0A
Filed Oct 5, 2015
Award date was Oct 23, 2015
0006970159
 KD0TXH · David K Tolsdorf · Amateur Extra
Attn: David K Tolsdorf · PO Box 322 · Ogden, IA 50212
42.0365, -94.0660 (ZIP center) · Grid EN22xa · CQ 4 · ITU 7 · map ↗
1.N0MO held
 Dismissed
Filed Aug 27, 2015
Award date was Sep 14, 2015
0006928859
 KD0TXH · David K Tolsdorf · Amateur Extra
PO Box 322 · Ogden, IA 50212
42.0365, -94.0660 (ZIP center) · Grid EN22xa · CQ 4 · ITU 7 · map ↗
1.K0RN held
 Dismissed