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EchoLink Interface - K5TRA
http://k5tra.net/TechFiles/EchoLink%20interface.pdf
interfaces the (1) home UHF repeater, (2) VA3TO EchoLink interface, and (3) half duplex link to a high level remote UHF repeater. With the controller at home, I can link any combination of the 3 ports. For example, repeaters can be linked with or without EchoLink; or EchoLink can be used with either (or both) repeater(s ).
Interfacing - Introducing EchoLink
https://secure.echolink.org/help_ex/interfacing.htm
Echolink interface - KB0FXK
https://kb0fxk.com/echolink-interface/
It is a raspberry Pi powered repeater controller / echolink interface. I plan on coupling it with a UHF HT for a temporary echolink interface. There is the capability of connecting it directly to my repeater, if we can get internet access at the site. The Raspberry Pi runs the software SVXLink, which performs all the audio handling. It also controls the functions on the svxlink card.
Easy Echolink Interface | Scientific Computing | SciVision
https://www.scivision.dev/easy-echolink-interface/
Easy Echolink Interface. 30 June, 2006. This method is instead of buying a RigBlaster type device. PSK31 or other digital modes: 1.0µF series capacitance for TX audio. voice modes such as Echolink: 0.001µF series capacitance for TX audio. The 0.001 µF series capacitor provides a high-pass filter to pre-emphasize the audio into the flat TNC 10Kohm audio input.
EcoLink - the Echolink Compatible USB Interface : 5 Steps ...
https://www.instructables.com/EcoLink-The-Echolink-Compatible-USB-Interface/
EchoLink and the URI
https://secure.echolink.org/uri.htm
EchoLink Ignores Audio Device Setting on Windows 10 | …
https://forums.qrz.com/index.php?threads/echolink-ignores-audio-device-setting-on-windows-10.532477/
Simple Radio PTT To Computer Interface Circuits - EchoLink.ru
http://www.echolink.ru/downloads/ptt_to_computer.pdf
Isolated Interface Circuit 1 incorporates two 600-ohm audio transformers (T1&T2) and an RS232 powered optocoupler IC1. Preferably use an IC socket for IC1, for possible quick replacement! The purpose of the transformers and an optocoupler is to isolate the transceiver from the computer, keeping the interference from the PC to a minimum.
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