I have been running v20.20rc with no problems. Loaded v20.22. hf seemed fine,switched to external 144 xvrtr. I t worked ok. Went back to hf and no receive. . Reset sdr and pc loaded v20.20rc and vhf xvrtr not working and hearing 28mhz signals. Does that mean that the new firewire loaded with the v20.22 release is not compatible with v20.20rc? Art w1rzf
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