SmartSDR v3.8.20 and the SmartSDR v3.8.20 Release Notes
SmartSDR v2.12.1 and the SmartSDR v2.12.1 Release Notes
Power Genius XL Utility v3.8.9 and the Power Genius XL Release Notes v3.8.9
Tuner Genius XL Utility v1.2.11 and the Tuner Genius XL Release Notes v1.2.11
Antenna Genius Utility v4.1.8
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FR6600 & disturbances
I'm reaching out to the FlexRadio Community again for help because I'm having problems with "scratching" and "crunching" on reception in the Smart SDR program.
I have an FR6600 and a sufficiently powerful computer with a Gigabyte GeForce GTX 1660 OC 6G graphics card and an AMD Ryzen 5 5600X processor.
FR and my computer are connected to the network switch Linksys Gigabit switch LGS108-EU 8-port.
Since I have the aforementioned configuration for the SO2R part, I also downloaded the DXLOG logging program, which enables fast switching of Slice A and B.
In doing so, I noticed that from the transition from Slice A to B and vice versa, it happens that in two or three seconds when I'm RX on a certain Slice, I hear "scratching" and "crunching" in the headphones. This results in me not being able to accept the entire call sign or part of the report, so the correspondent has to repeat either the call sign or the call number.
This happening is also very disturbing for the ears.
I also notice that when I turn the VFO knob, every movement sounds like crackles and crunches in the headphones.
Does anyone have any ideas what to do to fix these problems?
73 Dare S58M
Comments
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Hi Dare
This has been reported by some of our alpha testers (but not all).
I doubt it is a computer issue, but what you may be hearing at times is packets being dropped believe it or not. Can I recommend that you try testing on a 100mb/sec switch?
I know that doesn't make sense but it can help.
I had some similar issues on my PC with a 2.5G network card. I had a lot of packet loss on it on a 6ft cable to a 1G TP-Link switch. When I hard coded the NIC card in my PC to 1Gb/sec Full Duplex, the packet loss went away. I also had to make sure the drivers were current on my onboard NIC card.
I have enough 'stories' that seem to be telling me that 1G/sec switches can be more of the problem than the solution. This is why I recommend trying a 100Mb/sec switch as a test. It might resolve your issue immediately (and, it might not). But, it is worth trying.
Others may have some other ideas as well. But, it is certainly related to the LAN communications.
Let us know how you make out. 73 es Merry Xmas.
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Mike, do you think this issue is with a managed switch or unmanaged? I use a unmanaged switch and have never had this problem.
James
WD5GWY
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Hi Mike,
Thanks for your reply and suggestion.
I will try to connect the FR to the Router which is "slower", 100 MB. Maybe that will solve the problem. In any case, I will report it to you.
Mike, I wish you and your family a Merry Christmas and a Happy New Year 2023. Also to everyone here on the forum.
73 Dare
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Not sure, but thanks for sharing your experience. I use a few TP-Link unmanaged switches and I hear the odd blip, but nothing that is disturbing.
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Thanks Mike, I'll report back if the issue is fixed.
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Hello, Mike.
First of all, let me wish you a happy and successful New Year 2023.
Now to my crackle problem on the FR.
Following your suggestion, I connected the Flex radio, PC, PA and Antenna genius to a 100 MB network switch. The reception interference has not improved and there is still crackling and popping in the headphones when switching from Slice A to Slice B.
I also connected the FR, switch, PC and 12 V power supply to the same electrical phase. This still did not make the disturbances go away.
But I would like to ask you the following, otherwise I have a main router from where I get internet (mobile internet). From this router, I have a wired connection to a 6-pole switcher, on which FR, PA, AG are connected). Is it possible that the main router is causing this interference?
Because it also happens that the indicator of the quality of the network connection (bottom right in the Smart SDR application) constantly changes from 1 to 5 bars.
Now I'm really in a big dilemma because these distractions are making it difficult for me to work in SO2R mode of work. because every time I go on a certain Slice for reception, part of the correspondent's call sign is "eaten up".
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It might be time to open a support ticket for this one if you have not done so already. What you are hearing (I think) is not normal and maybe the support guys have dealt with it before.
That would be a good place to go to next.
Mike
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