North Hills Repeater

The North Hills repeater is located about 12 miles north of Helena, Montana. It is at an elevation of 4,680 feet and on a 150 foot tower. The repeater is a UHF Motorola SLR5700 50-watt station. The repeater antenna is a Decibel Products DB-420 8-bay omni-directional antenna located at the top of the tower and fed with Inch and 5/8s heliax. The repeater covers the entire Helena Valley as well as US Highway 12 to Townsed, and down Highway 287 to I-90. It also covers all of the 3 large lakes along the Missoula River. This repeater is permanently linked to the MacDonald Pass Repeater Group using the BrandMeister Network. In 2021, the repeater was replaced with a new Motorola DMR Digital repeater. and operates in DMR Only! The Digital system has more information to our Digital Website at www.dmr-montana.net.

Repeater Location: 46.770538 -112.029205 (WGS84 Datum)

 

70 CM Repeater Specifications

Receive Frequency (Input): 448.9000 Mhz

Transmit Frequency (Output): 443.9000 Mhz

Transmit Output Power: 50 Watts

Effective Radiated Power: 400 Watts

DMR 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, BGV TG# 31303, MPRG Cluster TG# 8, MT Statewide TG# 3130 on Saturday 7-8 PM

ALL OTHER DYNAMIC TALK GROUPS: TIME SLOT 1 ONLY

Repeater Dashboard: North Hills UHF Repeater BrandMeister Dashboard

Call Sign: WR7HLN (Mac Pass Repeater Group)

Antenna Gain: 10 db

Antenna Pattern: Omni-Directional

Backup Power: 200 Amp Battery (approximately 3 days with 2 hours transmit per day)

Time Out Timer: 3 minutes resets on input signal drop

Repeater Photograph

Tower and DB-420 Antenna Photograph

DB-420 Antenna Closeup

Tower and Microwave Dish

North Hills Propogation Map

 

 

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