BeachNet Repeater System

BeachNet Repeater System

Pacific, Grays Harbor, Lewis, Mason, Thurston & Wahkiakum Counties, Washington

145.170 |  145.310 |  145.390 |  147.020 |  147.180 |  147.340 |  224.040 |  224.820 |  440.675 |  441.675 |  442.675 |  444.050 |  444.200 |  444.300 |  444.400 |  444.500 |  444.700 |  444.800 |  444.925 |  444.950
 

 

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Minot Peak

Grays Harbor County, WA
46.891874, -123.416634
1800 Feet
Call: W7EOC

444.050  +5MHz  118.8Hz


Minot UHF Repeater



Minot VHF Packet
 

Location: Minot Peak is south of Elma, WA, southeast of the towers at Satsop, and west of Centralia, WA.

Coverage: Minot covers most of southern Grays Harbor County. It is accessible from the EOC in Montesano, as well as most of Aberdeen, Hoquiam and the other major towns. This repeater provides coverage on Highways 8 and 12 from Aberdeen on the west to McCleary on the north, and most of the Centralia/Chehalis area. The coverage to the north is more spotty than the site plot would indicate, and local obstacles can influence the quality of coverage greatly, particularly in wooded or hilly areas.

Normally linked to the rest of the
BeachNet system, this repeater solidifies coverage for those passing through, between the coastal areas and Puget Sound. Minot provides back country coverage in mountainous southeastern Grays Harbor, northeastern Pacific, and northwestern Lewis Counties.

During an emergency, this repeater will probably be disconnected from the network, and linked to the Cosmopolis (145.390), Neilton (444.700), and Ocean Shores (444.200) repeaters, to allow communications within Grays Harbor County. This arrangement allows all these repeaters to be simultaneously monitored on a single radio from the Grays Harbor EOC in Montesano.

Hardware: The repeater consists of a GE Mastr-II 110-watt continuous duty base station (running 60-watts) using a CAT-200B controller in a 30-inch GE cabinet with a Mastr-II power supply. The duplexer is a Phelps-Dodge 6-cavity bandpass-notch type feeding a dual band antenna stood off the side of the tower through 70 feet of LDF5-50 7/8-inch hardline. There is a UHF GE Mastr-II mobile used as a link transceiver and a VHF Mastr-II mobile used for the packet station. Both are mounted to the sides of the cabinet. Each of the three transmitters is fitted with a dual-section isolator and bandpass filter cavity. The packet station and repeater share the main antenna on the tower through a diplexer, while the link uses a pair of phased yagis on the roof of the building.

History:

07/31/04: The Minot Repeater originally went on the air from the Minot site, but on the 444.700 frequency.

08/07/04: Frequencies swapped between Minot and Neilton stations. Neilton now on 444.950. This was an interference mitigation measure.

10/22/05: Replaced power supply and link radio.

04/28/06: Antennas relocated for improved performance.

05/27/06: Link antenna upgrade.

08/27/06: Link repairs and replace packet station.

09/29/06: Packet Node repair.

04/07/07: Frequency swap between Minot (to 444.050) and Capitol Peak (to 444.950).

08/07/08: Rehab link receiver.

11/17/08: Replaced Phoenix link radio with Mastr-II mobile.

11/26/08: Replaced IF board in Mastr-II mobile link radio.

04/20/09: Installed VHF Circulator on Link transceiver.

04/24/09: Installed dual-section isolator and DCI filter on repeater transmitter.

05/12/09: Doyle attended DNR Inspection of the Minot site. Station passed quickly with only positive comments.

05/28/09: Doyle installed a low-pass filter on the Minot repeater.

05/20/10 surveyed site for feedline replacement (hardline to replace coax).

09/14/10: Replaced 1/2-inch coax with 7/8-inch hardline in mounting cushions and grounding. Added poly-phaser arrester.

06/17/14: Replaced transmitter power amplifier.

10/12/15: Rat had made nest in repeater cabinet, chewing through power supply wires. A little splicing brought the repeater back on the air, thanks to Doyle.

12/18/15: Found some other wires that had been chewed, affecting the audio. Easily repaired.

06/19-21/16: Moved entire station from PUD building to County building.

11/28/16: Doyle investigate repeater off-air, found a tripped breaker and power leve too high on transmitter. Reset power level and breaker.

06/15/17: Isolator failure, unit repelaced.

Packet Radio: The "MINOT" packet radio node is co-located with the UHF repeater and shares the antenna. This is part of the 145.630 MHz 1200-Baud Washington District Three EOC Packet Network. The packet station is accessible from most of southern Grays Harbor County as well as the northern portion of Pacific County, and also provides coverage into the Centralia area.



 

 

 

 




 

145.170 |  145.310 |  145.390 |  147.020 |  147.180 |  147.340 |  224.040 |  224.820 |  440.675 |  441.675 |  442.675 |  444.050 |  444.200 |  444.300 |  444.400 |  444.500 |  444.700 |  444.800 |  444.925 |  444.950
 

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This Page Last Updated: 11/27/18.