University Mountain Repeaters and Site

The University Mountain repeater is located at our site about 3 miles East of Missoula, Montana along the South side of Interstate 90. The site sits at an elevation of 5,366 feet and has an 88 foot tower. The UHF repeater consists of a Motorola SLR5700 operating at 50 watts. It is operating into two Celwave PD-1151 antennas at the top of the tower and fed with 7/8s heliax. These antennas sit at about 95 feet. In 2017, the repeater is now using a Digital DMR system. More information about our Digital repeaters can be found on the DMR Montana Website. The repeater covers the Missoula Valley and surrounding areas, along with providing Interstate 90 coverage from Tarkio to Drummond, and North and South from Hamilton to the Flathead Valley. The repeater is linked into the DMR system linked to the Brandmeister Worldwide Digital Network. The Digital network is connected via a Cisco Wireless Router through the Verizon Cellular Network. Additionally we operate an APRS Digi-peater ("UNVMTN") at this site and it is connected to a Telewave 2.5Dbd gain antenna at the top of the tower.

Repeater Location: 46.855980 -113.922646 (WGS84 Datum)

70 CM Repeater Specifications

Receive Frequency (Input): 443.9000 Mhz

Transmit Frequency (Output): 448.9000 Mhz

Transmit Output Power: 50 Watts

Effective Radiated Power: 360 Watts

Color Code: 1

Static Primary Talk Group Time Slot 2: MPRG 1, Talk Group Number 31301

Static Secondary Talk Groups Time Slot 1: MPRG 2 Talk Group Number 31302, MPRG Cluster TG# 8, MT Statewide TG# 3130 on Saturday 7-8 PM

ALL OTHER DYNAMIC TALK GROUPS: TIME SLOT 1 ONLY

Repeater Dashboard: University Mountain UHF Repeater BrandMeister Dashboard

Call Sign: WR7HLN (Mac Pass Repeater Group)

Antenna Gain: 8.0 Db

Antenna Pattern: Omnidirectional

Backup Power: 300 Amp Battery (2 days with 2 hours transmit per day)

Time Out Timer: 3 minutes resets on input signal drop

 

 

UHF Repeater Photograph

Tower and Antenna Photograph

UHF Transmit Antenna Closeup

UHF Receive Antenna Closeup

APRS Antenna

University Mountain Propogation Map

 

 

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