EI2IPG Repeater

Transmitter / Receiver	Philips FX5000 12.5KHz - Max Dev. +/- 2.5 kHz
Frequency	145.7125 MHz RX 145.1127 MHz TX
Output Power	20 Watts
RX Sensitivity	With pre amp 0.12 uV Without preamp 0.2 uV
Antenna	Diamond F22. 2 x 7/8 Collinear at 10 Mtrs above ground (SWR 1.2 to1)
Access to Link	67 Hz CTCSS or 1750 Tone Burst. None req when repeater open
Logic	G1SLE Logic Click Here for more info
Duplexers	4 x Beer Barrel. RX 95dB 2dB loss & TX 95dB 2db loss
Audio Filtering	Super Dynamic Limiter
UPS	Fortress 750 uninterruptible power supply
VOIP Software	EchoLink
Extra Software	EchoProducer www.echoproducer.com
Time Out	Time out is set for 4 Minutes
Computer	P4 - 2 Gig - 256Meg Memory, On Board Sound Card
Internet connection	3 Meg Down and 384 kbps Up
VOIP Interface	Opto Isolated System. Home Brew Click here for Circuits
Location	Carndonagh. Inishowen, Co. Donegal. Ireland IO65JG
ASL	15 Mtrs
Operational Since	16th May 2008
Operation Times	24 Hours
Sysop	Peter EI4JR on behalf of Carndonagh Amateur Radio Club
Email	peter @ ei4jr.com
Web Site	www.ei4jr.com and www.echoireland.com

Donations are always welcome to help with the upkeep and advancement of the Repeater

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User Guide for using EI2IPG

Rally / Talk Handout (pdf)

DTMF Short Cuts

G1SLE Logic Photos

Beer Barrel Duplexers

Photos of Duplexers and home for EI2IPG

FX5000 Conversion & Manual

Software Written for EI2IPG (EchoProducer)

Shack Photos Page

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There are Internet Gateways located in Ireland also all over the world now on 2Mtrs, 70Cms and 6Mtrs that any licensed amateur can have access to. Many of the gateways use the EchoLink software. No repeater shift is required, and no access tones are needed. The gateway operates a simple squelch system, which means any signal on the frequency will be accepted. In the future if more internet gateways become operational, and QRM becomes more of a problem, some gateways may have to resort to CTCSS tone squelch.

The gateway is very easy to use. You use it as you would any simplex frequency and call CQ and you will be surprised who might come back to you as there are gateways all over the world. Remember that there can be a delay from the station that you are working and don’t forget to wait for the pips after there over before to transmit.

Not all gateways are on 24 Hrs so check with your local gateway keeper for their operation times.

XMIT_ID allows you to record and catalogue the unique "fingerprint" that is part of every FM radio's transmission. This can be used for transmitter identification.