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Smartlink on MacOS drop / Local operation "stuttering" issue
Smartlink is currently unusable on my Flex-6400 system for remote operation, local operation is possible but experiences a "stuttering" issue making SSB transmit audio intermittent, it is ok with CW/FT8, has issues with CAT/DAX clients.
- Flex-6400 connected to my home network via TP-Link Wifi Client
- SmartSDR MacOS version 2.0.19 used for radio control, CAT/DAX not enabled, Rogue Amoeba Loopback not enabled
- 2021 Macbook Pro 16 inch, M1-Max, 32 Gig Ram, MacOS Version 12.2.1 (Monterey), location services off, with only SmartSDR running
- SmartLink on a variety of Wifi systems
- Home network is 1 gig symmetrical in/out of house
Description of the issue:
Whenever I try to use Smartlink for remote operation the radio is discoverable, will initially connect, will usually show the SmartSDR waterfall, but shortly after will drop the connection to the radio altogether. I am able to reconnect to the radio as many times as I want, sometimes the first connection is still registered as active by Smartlink and I terminate it via the Smartlink login process so that I always have only one login active on the 6400.
During local network operation on the 6400, the connection to the radio is moderately consistent but does periodically "stutter", losing audio. SSB Mic operation is not consistently usable with transmit audio intermittent probably due to Mac network issues. Generally CW and FT8 work, CAT/DAX have been intermittent seemingly due to issues with Loopback and/or OS inability to keep up.
My Theory on the problem:
My theory on why this is happening is that perhaps once Smartlink connects SmartSDR directly to my 6400 after login/connection, the local Wifi "stuttering" issue is seen as a network drop - disconnecting the radio and requiring a complete re-login/reconnect. Alternately, perhaps this is a MacOS SmartSDR problem between the application and MacOS?
I suspect the CAT/DAX/Loopback issues are another problem so prefer to keep them out of the picture until the SmartSDR/Smartlink issues are sorted - unless someone disagrees.
Debugging steps so far:
I am about to provide direct CAT6 cable connection to the radio instead of using the TP-Link wifi client on the theory that the issue is with using WiFi locally. This will take some time to install unfortunately. In the meantime, I would welcome any ideas on other causes and/or MacOS debugging procedures that might help me locate the issue/s.
Thanks in advance for any guidance,
73, Scott, W1MVY
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