WREQ743 Posted December 29, 2019 Report Share Posted December 29, 2019 So first let me start by saying I am new to GMRS and am trying to understand how it all works. i have been scanning to hear what kind of traffic, language, and etiquette is on the air. I have heard what sounds like Morse code, specifically on 18/19. What is this? I have also checked on the repeaters map and saw that some have “travel tones”. Can some one explain this or point me to a link that will?Why do I hear an automated message that reads out someone’s call sign but no other communication. I looked them up and they are half way across the state which is cool but why don’t I hear anything else. Lastly, what is the next step to use a repeater once I send a message to the repeater’s owner? thanks, Kenny WREQ743 nyckid 1 Quote Link to comment Share on other sites More sharing options...
mcallahan Posted December 29, 2019 Report Share Posted December 29, 2019 I have heard what sounds like Morse code, specifically on 18/19. What is this? This is most likely a repeater site ID'ing - while repeaters on GMRS are not required to identify themselves at regular intervals like other radio services, many do this as a courtesy to let other users know that there is an active repeater on that channel/frequency. I have also checked on the repeaters map and saw that some have “travel tones”. Can some one explain this or point me to a link that will?The "travel tone" refers to 141.3 Hz, which is commonly used by GMRS operators on repeaters and/or simplex. Here are some relevant links that explain in further detail: Continuous Tone-Coded Squelch SystemDigital Code Squelch (DCS)CTCSS and DCS Tones -- What's the difference? RCM, Jones, gman1971 and 2 others 5 Quote Link to comment Share on other sites More sharing options...
WREQ743 Posted December 30, 2019 Author Report Share Posted December 30, 2019 Thanks for the info WRAA720! Quote Link to comment Share on other sites More sharing options...
Ian Posted January 6, 2020 Report Share Posted January 6, 2020 Related to the Travel Tone, the Open Repeater Initiative is a program that lets people set up a channel 20 repeater at 141.3 for the use of anyone who wanders in. RCM 1 Quote Link to comment Share on other sites More sharing options...
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