w6wgz.org

  2m Repeater

 Home Up News Whats New License Exams Links Tech Support Sale and Swap Local Ham Clubs Down Loads Contents Local Nets Projects

   TECHNICAL INFORMATION

147.180+

  No PL

MCARC Deadwood 

Peak Repeaters

441.175+

146.2Hz PL

Click on repeater frequency for technical information

                       

Madera County Amateur Radio Club

2-Meter Repeater Technical Information

CALL: W6WGZ/R

 

LOCATION: Deadwood Peak. Two miles east of Oakhurst, north of highway 41 and 38 miles north of Fresno. Lat. 37 17 55 Long. 119 41 04

 

ELEVATION: 4540 ft.

 

REPEATER NORMAL MODE: Carrier (any on frequency signal will activate the repeater).

 

RECEIVER: 147.780 Mhz +-2 micro volts

sensitivity at duplexer terminal. +- 5 Khz audio

deviation. +- 2 Khz transmit frequency tolerance.

 

TRANSMITTER: 147.180 Mhz +- 2 ppm Output 15 watts to the antenna (after duplexer) +- 5 Khz

peak audio deviation. Transmitter does not encode CTCSS tones.

 

ANTENNA: Omni directional 5+ dbd gain. ERP about 45 watts. Antenna base is 40 ft. above ground. It is a commercial antenna (Celwave PD 220) that consists of eight collinear dipoles mounted in a 20 ft. long fiberglass tube.

 

FEED CABLE: 75 ft. 1/2" copper hard-line.

 

POWER: Radio operates from a nominal 12 volt

(13.6) battery, 250 amp hours maintained by a 25 amp regulated charger. This battery is shared with the 441.175 repeater. Receive current drain 340 ma Transmit current drain 4.5 amps.

 

IDENTIFICATION: Repeater signs W6WGZ/R

every eight minutes and two minutes after the last transmission of a QSO. It waits until the end of a transmission before identifying unless the transmission lasts longer than two minutes. If the repeater is in TONE MODE a short tone 

burst follows call identification.

 

TIME OUT: The timer allows five minutes

continuous transmission without a break. It then turns the transmitter off without warning. Reset (no received signal) must be at least two seconds.

 

ALARMS: There are four station alarms. Each is a loud tone followed by a group of five shorter tones followed by a group of two tones, then a group of one, two, three or four tones. This whole sequence is repeated several times.

 

Third group

 

One tone: A.C. power fail (operating on

battery)

 

Two tones: Vault temperature out of limit,

below 35 degrees or above 95 degrees

Fahrenheit.

 

Three tones: Battery under voltage, 11.4

volts.

 

Four tones: Vault door open. There is no

external defeat on the door alarm.

 

The MCARC is a member of the Northern Amateur Relay Council of California and the  repeater frequencies have been coordinated and sanctioned by that council.

 

 

DBA Madera County Amateur Radio Club

Madera Amateur Radio Club Inc.

W6WGZ.ORG

Send mail to NOSPAMad6vn@arrl.net with questions or comments  about this web site.
After you click on address, remove NOSPAM from address.