N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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

CHARLES R THRAPP

FRN 0010962694 · first licensed May 24, 2004 as W7AYH · 1 license on record

📝 FCC applications (2)

Received	File number	Service	Purpose	Status	Call
Apr 10, 2006	0002565252	HAM	Renewal	Granted	W7AYH
May 24, 2004	0001746263	HAM	Administrative update	Granted	W7AYH

Complete licensing history

W7AYH Expired Advanced · vanity May 24, 2004 → Jun 18, 2016 (expired)

Licensee
CHARLES R THRAPP

Address
20255 US Highway W 20-26
Casper, WY 82604-9597
42.9149, -106.7073 (ZIP center) · Grid DN62pv · CQ 4 · ITU 7 · map ↗

FRN
0010962694

Previous call
K7IOA

Last granted
Apr 14, 2006

Effective
Apr 14, 2006

Last action
Jun 19, 2018
FCC actions (4)
- Jun 19, 2018 — License expired LIEXP
- Apr 14, 2006 — License renewed LIREN
- May 25, 2004 — Administrative update LIAUA
- May 24, 2004 — FCC action LTSFRN

Address history

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

Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as W7AYH
CHARLES R THRAPP
20255 US Highway W 20-26, Casper, WY 82604-9597
42.9149, -106.7073 (ZIP center) · Grid DN62pv · CQ 4 · ITU 7 · map ↗

Repeaters within 50 miles

9 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
16.6	KA7O	Casper KA7O IRLP	449.5750	-5	TSQL 173.8	FM (analog)	IRLP 7707	—	Casper, WY
20.2	WY7EOC	Casper Mtn WY7EOC WYDMR	449.9875	-5	CC11	DMR	WYDMR	—	Casper, WY
20.2	KC7MJI	Casper KC7MJI	147.3450	+0.6	none	FM (analog)		—	Casper, WY
20.7	W7VNJ	Casper W7VNJ	147.2800	+0.6	DCS 032	FM (analog) (FM,C4FM)		—	Casper, WY
20.7	W7VNJ	Casper WY Med W7VNJ IRLP	449.5750	-5	TSQL 173.8	FM (analog)	IRLP 7707	—	Casper, WY
21.4	NB7I	Casper Mtn NB7I	449.5000	-5	TONE 100.0	FM (analog)		—	Casper, WY
22.9	W7VNJ	Casper Mtn W7VNJ	146.9400	-0.6	TSQL 123.0	FM (analog)		—	Casper, WY
23.5	W7VNJ	Casper Mtn W7VNJ	145.2350	-0.6	TSQL 100.0	FM (analog)		—	Casper, WY
18.6	KJ7QMT offline	Baker KJ7QMT BM	448.0000	-5	CC1	DMR	BrandMeister 312698	—	Baker, MT