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KC7EQO Blyn Mountian Repeater

442.100 + 100 Hz PL

Repeater Coverage Repeater Tower

AGL: 85 Feet

Above Sea Level: 2,057 feet

Exciter: Hamtronics into a 40 Watt PA.

Receiver: Hamtronics fed with a Helical resonator pre-amp

Controller: Link Technolgies RLC 2b with DV option

Feed line: 1/2" Andrews Heliax

Antenna: Stationmaster vertical 6 dB gain

Emergency Backup Power: Propane Generator

Repeater Block diagram

Service work 

Deviation adjustment on backup exciter

Deviation adjustment on backup exciter before re-deployment.


Inside the repeater cabinet with covers off

Inside the repeater cabinet with the receiver and exciter covers off.


Planned upgrades and modifactions:

I plan to change the repeater to a dual mode analog FM and D-Star repeater. I am currently in the building and testing stage. When this is tested and working I will deploy the upgrade. This will allow for a very large D-Star coverage area for the Pacific North West and hopefully encourage others to experiment.

EchoLink will soon be up and running. Controller is configured to pass DTMF and the remote radio is almost done.

I also plan to add an ATV cross-band repeater to the site. It would receive 434 Mhz and transmit out on 1.2 Ghz. I am currently in the planning, gathering, building and funding stage. This has been a long dream of mine to add a video repeater to the Olympic Peninsula and the greatter Seattle area. I will hopefully have more to follow soon.

Enjoy the repeater, all are welcome to use it. Most importantly, have fun.


Matthew Lawson KC7EQO


6180205 Last modified: 2015-07-16 00:21:49, 3327 bytes

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