N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 12, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

Mark Maier

FRN 0019133529 · first licensed Sep 25, 2009 as KD0IZI · 1 license on record

📝 FCC Applications (5)

ReceivedFile numberServicePurposeStatusCall
Dec 1, 20250011804502 HAMAdministrative updateGranted KD0IZI
Dec 1, 20250011804491 HAMAdministrative updateGranted KD0IZI
Nov 20, 20190008889028 HAMRenewalGranted KD0IZI
Mar 30, 20120005143023 HAMModificationGranted KD0IZI
Sep 25, 20090003977555 HAMNew licenseGranted KD0IZI

Complete Licensing History

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

Nets

NetWhenFrequencyRoleTimesLast
3973 BREAKFAST CLUB 0700Mon 6:15 AM · Mon 6:30 AM · Mon 6:45 AM CT3.973 MHZChecked in32026-10-12
BREAKFAST CLUB 3973Mon, Wed 5:00 AM · Mon 4:45 AM · Sat 6:00 AM CT3.973Checked in22026-10-12
THE BEFORE BREAKFAST CLUBDaily 12:45 AM · Daily 12:30 AM CT3.973Checked in12026-10-11
The No SWR NetFri 8:30 PM ET7.181Checked in12026-10-10
3973 BREAKFAST CLUB 0500 centralTue 3:00 AM · Tue 4:00 AM · Tue 4:15 AM CT3973Checked in12026-10-06
BREAKFAST CLUB 3973 7AMWed, Sat, Sun 7:00 AM · Wed, Thu 7:15 AM · Wed 6:15 AM CT3.973Checked in12026-09-23
Breakfast Club 3973 5 AMTue 5:00 AM CT3.973Checked in12026-09-08

From nets logged with NetLogger since the start of collection.

Repeaters within 50 Miles

61 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)
MilesCallNameOutputOffsetToneModeNetworksActivityLocation
7.5 W0BRC Boonville
W0BRC
 147.3600 +0.6 TSQL 127.3 FM (analog) — Boonville, MO
7.5 KA0GFC Boonville
KA0GFC
 442.7000 +5 TSQL 77.0 FM (analog) — Boonville, MO
7.5 KA0GFC Boonville
KA0GFC
 444.7000 +5 TONE 77.0 FM (analog) — Boonville, MO
18.6 K0MCA California
K0MCA
 444.6250 +5 TONE 127.3 FM (analog) — California, MO
18.6 K0SI Columbia
K0SI BM
 146.7600 -0.6 TSQL 127.3 FM (analog) (C4FM,DMR,DV,FM,P25) BrandMeister 314655 — Columbia, MO
18.6 K0SI
Listed as K0SI 444.425
 Columbia
K0SI BM
 444.4250 +5 CC3 DMR BrandMeister 310018 — Columbia, MO
19.2 WX0BC Columbia
WX0BC
 146.6100 -0.6 TONE 127.3 FM (analog) — Columbia, MO
20.3 WX0BC Ashland
WX0BC
 444.1750 +5 TSQL 107.2 FM (analog) — Ashland, MO
21.4 K0PHP Columbia
K0PHP BM
 927.5125 -25 CC3 DMR BrandMeister 314762 — Columbia, MO
21.5 WX0BC Columbia
WX0BC
 927.5125 -25 DCS 306 FM (analog) (FM,DMR,P25) — Columbia, MO
23.0 W0DQJ Ashland
W0DQJ
 146.6850 -0.6 TONE 77.0 FM (analog) — Ashland, MO
23.0 N0LBA Ashland
N0LBA
 444.9750 +5 TSQL 131.8 FM (analog) — Ashland, MO
23.0 K0SI Ashland
K0SI
 52.8900 in 51.1900 TSQL 127.3 FM (analog) — Ashland, MO
26.9 KM0HP Marshall Ju MSHP
KM0HP
 442.1750 +5 TSQL 127.3 FM (analog) — Marshall Junction, MO
30.1 KB0LSM Sedalia
KB0LSM WIRES-X
 444.1500 +5 none FM (analog) (C4FM,DMR,FM) WIRES-X 28054 BrandMeister 313893 — Sedalia, MO
30.2 WB0LRX Sedalia
WB0LRX AllStar
 224.4400 -1.6 TSQL 107.2 FM (analog) AllStar 61325 — Sedalia, MO
32.2 N0WEG Clark
N0WEG BM
 147.8000 in 144.2000 CC1 DMR BrandMeister 321352302 — Clark, MO
32.4 KC0MV Millersburg
KC0MV
 147.3150 +0.6 TONE 127.3 FM (analog) — Millersburg, MO
32.6 WA0SDO Sedalia
WA0SDO
 147.0300 -0.6 TSQL 179.9 FM (analog) — Sedalia, MO
32.7 KB4VSP Holts Summit
KB4VSP EchoLink
 147.1200 +0.6 TSQL 127.3 FM (analog) EchoLink 471579 — Holts Summit, MO
32.7 KB4VSP
Listed as KB4VSP/R
 Holts Summit
KB4VSP AllStar
 444.8750 +5 TSQL 127.3 FM (analog) (C4FM,DMR,DV,FM,P25) BrandMeister 310332 AllStar 27188 — Holts Summit, MO
32.8 K0ETY Jefferson City
K0ETY
 147.0000 -0.6 TSQL 127.3 FM (analog) — Jefferson City, MO
32.8 KB4VSP Holts Summit
KB4VSP
 449.8750 +5 CC? DMR — Holts Summit, MO
32.8 KB4VSP Holts Summit
KB4VSP
 146.0000 in 292.0000 CC3 DMR — Holts Summit, MO
32.8 KB4VSP Holts Summit
KB4VSP
 145.0000 in 290.0000 CC3 DMR — Holts Summit, MO
32.8 KB4VSP Holts Summit
KB4VSP
 147.4200 +0.6 CC? DMR — Holts Summit, MO
32.8 K0ETY Jeff St Marys Ho
K0ETY
 442.1500 +5 TSQL 127.3 FM (analog) — Jefferson City, MO
32.9 KF0ULO Marshall Fitzgib
KF0ULO EchoLink
 146.6850 -0.6 TSQL 127.3 FM (analog) (DMR,FM) EchoLink 501723 BrandMeister 314653 — Marshall, MO
32.9 KF0ULO Marshall
KF0ULO BM
 146.0850 +0.6 CC1 DMR BrandMeister 314653 — Marshall, MO
33.0 KE0CYW Sedalia
KE0CYW
 53.1100 in 51.4100 TSQL 127.3 FM (analog) — Sedalia, MO
33.0 KE0CYW Sedalia
KE0CYW
 927.6000 +5 none FM (analog) — Sedalia, MO
33.1 WB0WMM Marshall
WB0WMM
 147.1650 +0.6 TONE 127.3 FM (analog) — Marshall, MO
33.4 KB4VSP Jefferson C SEMA
KB4VSP
 443.1750 +5 TSQL 127.3 FM (analog) — Jefferson City, MO
33.4 KB4VSP Jefferson C SEMA
KB4VSP BM
 146.8650 -0.6 TSQL 127.3 FM (analog) (C4FM,DMR,DV,FM,P25) BrandMeister 310319 — Jefferson City, MO
34.1 KM0HP Renick
KM0HP
 145.2900 -0.6 TSQL 127.3 FM (analog) — Renick, MO
34.2 KD0QPC Jefferson City
KD0QPC WIRES-X
 443.5000 +5 DG-ID 00-00 Fusion (C4FM) WIRES-X 17192 — Jefferson City, MO
35.2 AA0IY Barnett Golden
AA0IY
 442.9250 +5 TONE 127.3 FM (analog) — Barnett, MO
35.8 AA0RC Centralia
AA0RC AllStar
 443.0250 +5 TSQL 127.3 FM (analog) (DMR,FM) AllStar 48009 BrandMeister 312447 — Centralia, MO
35.8 AF0AM Centralia
AF0AM
 444.8000 +5 TONE 103.5 FM (analog) — Centralia, MO
37.5 KC0KWL Eldon
KC0KWL AllStar
 53.0500 in 51.3500 TSQL 127.3 FM (analog) AllStar 42659 — Eldon, MO
37.5 AA0NC Eldon
AA0NC
 146.6250 -0.6 TONE 131.8 FM (analog) — Eldon, MO
37.5 N0QVO Eldon
N0QVO
 147.2700 +0.6 TSQL 123.0 FM (analog) — Eldon, MO
37.5 N0GYE Eldon
N0GYE
 224.5800 -1.6 none FM (analog) — Eldon, MO
38.0 AC0WZ Fulton
AC0WZ BM
 444.9500 +5 CC1 DMR BrandMeister 312916 — Fulton, MO
38.5 WB8SQS Fulton
WB8SQS AllStar
 444.9750 simplex TONE 127.3 FM (analog) AllStar 46707 — Fulton, MO
38.6 K0MOB Moberly
K0MOB
 147.0900 +0.6 TSQL 127.3 FM (analog) — Moberly, MO
38.6 K0MOB Moberly
K0MOB
 443.9750 +5 none FM (analog) — Moberly, MO
38.6 KB0QWQ Stover
KB0QWQ
 147.3900 +0.6 TONE 127.3 FM (analog) — Stover, MO
38.6 KB0QWQ Stover
KB0QWQ
 444.9250 +5 TSQL 127.3 FM (analog) — Stover, MO
42.2 KE0CYW Cole Camp
KE0CYW BM
 145.1100 -0.6 CC3 DMR BrandMeister 312594 — Cole Camp, MO
43.5 KS0B Calwood
KS0B
 444.9500 +5 CC? DMR — Calwood, MO
43.5 KS0B Calwood
KS0B
 443.9250 +5 TSQL 127.3 FM (analog) — Calwood, MO
46.4 AA0RC Missouri SSM
AA0RC
 444.8250 +5 TSQL 127.3 FM (analog) — , MO
46.9 AA0RC Missouri KWWR
AA0RC AllStar
 147.2550 +0.6 TSQL 127.3 FM (analog) AllStar 42605 — , MO
46.9 AA0RC Missouri KWWR
AA0RC AllStar
 443.4250 +5 TSQL 127.3 FM (analog) (DMR,FM) AllStar 48008 BrandMeister 313140 — , MO
48.0 KA0RFO Laurie
KA0RFO AllStar
 146.9550 -0.6 TONE 192.8 FM (analog) AllStar 401362 — Laurie, MO
49.3 N0ZS Sunrise Beach
N0ZS
 146.7300 -0.6 TSQL 127.3 FM (analog) — Sunrise Beach, MO
49.5 KE0PKD Concordia
KE0PKD
 147.1050 +0.6 TSQL 156.7 FM (analog) — Concordia, MO
18.1 WX0BC Offline Columbia
WX0BC
 442.3250 +5 none FM (analog) (DV,FM) — Columbia, MO
33.6 KD0SAF Offline Holts Summit
KD0SAF
 443.8000 +5 none FM (analog) — Holts Summit, MO
38.4 WB8SQS Offline Fulton
WB8SQS BM
 442.9500 +5 CC1 DMR BrandMeister 312913 BrandMeister 313081 — Fulton, MO