Yes, there actually is. Well, you will have to do some work as well in order to make it work. You can buy a TYT MD UV380 or the Retevis RT-3S (both are the same radio under different names) with or without GPS but I would recommend the GPS included models. Now comes the part where you have to do some work. You will have to install a different Firmware on the radio, called OpenGD77. Here is the relevant website with all download links and step-by-step instructions to install the Firmware: https://www.opengd77.com/viewtopic.php?f=19&t=2380 After the Firmware is installed you will be able to use the build in satellite feature which includes automatic frequency shift for the selected satellite. It also offers build in satellite tracking.

Good luck

Peter KC3UEP

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On Monday, 29 April 2024 at 1:45 PM, samuel galet via AMSAT-BB amsat-bb@amsat.org wrote:

I once read there was a rare handi that automatically corrected for the doppler shift during a satellite pass. Does anyone remember the radio and what was it'd name.

Many thanks.

73 de VE2LJV Samuel Galet

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