N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 5, 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

DENNIS CALDWELL

FRN 0001889070 · first licensed Jul 28, 2000 as KB7MZZ · 2 licenses on record

📝 FCC applications (18)

Received	File number	Service	Purpose	Status	Call
Nov 19, 2025	0011778525	HAM	Administrative update	Granted	KK7XE
Mar 15, 2022	0009955909	HAM	Renewal + modification	Granted	KK7XE
May 30, 2019	0008670209	HAM	Administrative update	Granted	KK7XE
Oct 6, 2017	0007952383	HAM	Administrative update	Granted	KK7XE
Oct 2, 2017	0007945058	HAM	Administrative update	Granted	KK7XE
Oct 2, 2017	0007945056	HAM	Administrative update	Granted	KK7XE
Apr 17, 2017	0007739555	HAM	Administrative update	Granted	KK7XE
Feb 24, 2016	0007152736	HAM	Administrative update	Granted	KK7XE
Jan 22, 2016	0007106562	HAM	Administrative update	Granted	KK7XE
Oct 21, 2015	0006996010	HAM	Administrative update	Granted	KK7XE
Aug 31, 2015	0006931690	HAM	Administrative update	Granted	KK7XE
Jan 18, 2012	0005034771	HAM	Renewal	Granted	KK7XE
Jul 5, 2007	0003098714	HAM	Administrative update	Granted	KK7XE
Jul 5, 2007	0003097767	HAM	Administrative update	Granted	KK7XE
Mar 29, 2004	0001674068	HAM	Administrative update	Granted	KK7XE
Feb 13, 2004	0001617048	HAM	Administrative update	Granted	KK7XE
Feb 13, 2004	0001617032	HAM	Administrative update	Granted	KK7XE
May 6, 2002	0000875458	HAM	Modification	Granted	KK7XE

Complete licensing history

📦 Moved: Bellingham, WA → Ryegate, MT

KK7XE Active Advanced Feb 26, 2002 → expires Apr 14, 2032

Licensee
DENNIS CALDWELL

Address
Attn: Dennis Caldwell
PO Box 28
Ryegate, MT 59074
46.3645, -109.2985 (ZIP center) · Grid DN56ii · CQ 4 · ITU 7 · map ↗

FRN
0001889070

Previous call
KB7MZZ (General)

Last granted
Mar 15, 2022

Effective
Nov 20, 2025

Last action
Nov 20, 2025
FCC actions (20)
- Nov 20, 2025 — Administrative update LIAUA
- Mar 15, 2022 — License renewed LIREN
- Jun 4, 2019 — Administrative update LIAUA
- Oct 7, 2017 — Administrative update LIAUA
- Oct 3, 2017 — Administrative update LIAUA
- Oct 3, 2017 — Administrative update LIAUA
- Apr 18, 2017 — Administrative update LIAUA
- Feb 25, 2016 — Administrative update LIAUA
- Jan 23, 2016 — Administrative update LIAUA
- Oct 22, 2015 — Administrative update LIAUA
- Sep 1, 2015 — Administrative update LIAUA
- Jan 19, 2012 — License renewed LIREN
- Jul 6, 2007 — Administrative update LIAUA
- Jul 6, 2007 — Administrative update LIAUA
- Mar 30, 2004 — Administrative update LIAUA
- Feb 14, 2004 — Administrative update LIAUA
- Feb 14, 2004 — Administrative update LIAUA
- May 7, 2002 — License modified LIMOD
- Feb 26, 2002 — Systematic call sign granted SYSGRT
- Feb 26, 2002 — License issued LIISS
KB7MZZ Canceled Advanced Jul 28, 2000 → Feb 26, 2002 (canceled)

Licensee
DENNIS F CALDWELL

Address
1920 18th St. F-104
Bellingham, WA 98225
48.7582, -122.5065 (ZIP center) · Grid CN88rs · CQ 3 · ITU 6 · map ↗

FRN
0006298244

Last granted
Jun 11, 2002

Effective
Jun 11, 2002

Last action
Jun 11, 2002
FCC actions (7)
- Jun 11, 2002 — License renewed LIREN
- Feb 26, 2002 — License renewed LIREN
- Feb 26, 2002 — License canceled LICAN
- Nov 30, 2000 — License modified LIMOD
- Sep 9, 2000 — License modified LIMOD
- Aug 15, 2000 — Administrative update LIAUA
- Jul 28, 2000 — Administrative update LIAUA

Address history

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

Seen Sep 27, 2026 → Oct 4, 2026 · 2 snapshots · as KK7XE
DENNIS CALDWELL
Attn: Dennis Caldwell
PO Box 28
Ryegate, MT 59074
46.3645, -109.2985 (ZIP center) · Grid DN56ii · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KB7MZZ
DENNIS F CALDWELL
1920 18th St. F-104, Bellingham, WA 98225
48.7582, -122.5065 (ZIP center) · Grid CN88rs · CQ 3 · ITU 6 · map ↗
Seen Apr 16, 2022 → Sep 25, 2025 · 11 snapshots · as KK7XE
DENNIS CALDWELL
PO Box 1144
Thompson Falls, MT 59873
47.6626, -115.2731 (ZIP center) · Grid DN27ip · CQ 4 · ITU 6 · map ↗
Seen Nov 11, 2017 → May 6, 2019 · 6 snapshots · as KK7XE
DENNIS CALDWELL
Attn: Dennis Caldwell
PO Box 4066
Bozeman, MT 59772
Seen May 12, 2017 → Sep 5, 2017 · 2 snapshots · as KK7XE
DENNIS CALDWELL
P.O. Box 764, Havre, MT 59501
48.6899, -109.7811 (ZIP center) · Grid DN58cq · CQ 4 · ITU 7 · map ↗
Seen Mar 16, 2016 → Feb 15, 2017 · 6 snapshots · as KK7XE
DENNIS CALDWELL
P.O. Box 392, Thompson Falls, MT 59873
47.6626, -115.2731 (ZIP center) · Grid DN27ip · CQ 4 · ITU 6 · map ↗
Seen Feb 16, 2016 → Feb 26, 2016 · 2 snapshots · as KK7XE
DENNIS CALDWELL
1600 Maiden Ln. # 3, Thompson Falls, MT 59873
47.6626, -115.2731 (ZIP center) · Grid DN27ip · CQ 4 · ITU 6 · map ↗
Seen Nov 16, 2015 → Jan 14, 2016 · 2 snapshots · as KK7XE
DENNIS CALDWELL
PO Box 415
St. Regis, MT 59866
47.3429, -115.1204 (ZIP center) · Grid DN27ki · CQ 4 · ITU 6 · map ↗
Seen Sep 18, 2015 · 1 snapshot · as KK7XE
DENNIS CALDWELL
PO Box 594
Whitefish, MT 59937
48.4370, -114.4990 (ZIP center) · Grid DN28sk · CQ 4 · ITU 6 · map ↗
Seen May 27, 2010 → Aug 2, 2015 · 15 snapshots · as KK7XE
DENNIS CALDWELL
PO Box 93
Stanford, MT 59479
47.0326, -110.3053 (ZIP center) · Grid DN47ua · CQ 4 · ITU 6 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KK7XE
DENNIS CALDWELL
PO Box 53
Sidney, MT 59270
47.6094, -104.0861 (ZIP center) · Grid DN77wo · CQ 4 · ITU 7 · map ↗

Repeaters within 50 miles

6 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)

Miles	Call	Name	Output	Offset	Tone	Mode	Networks	Activity	Location
39.0	K7EFA	Roundup Bull Mtn K7EFA	145.4100	-0.6	TONE 100.0	FM (analog)		—	Roundup, MT
40.6	N7AGP	ulm N7AGP AllStar	440.0000	+5	none	FM (analog)	AllStar 51353	—	ulm, MT
42.6	WR7MT	Greycliff WR7MT	147.2800	+0.6	TONE 100.0	FM (analog)		—	Greycliff, MT
48.2	NU7Q	Big Timber NU7Q	444.6000	+5	TONE 100.0	FM (analog)		—	Big Timber, MT
49.1	K7VH	Lewistown Judith K7VH	146.9600	-0.6	TSQL 100.0	FM (analog)		—	Lewistown, MT
49.9	KM7HBN	Lewistown/MT KM7HBN AllStar	447.5000	simplex	TONE 123.0	FM (analog)	AllStar 494240	—	Lewistown/MT, MT