Get a long USB extender cable and use it to place your ANT+ dongle dead on top of the ANT+ antenna of the powerbeam. Probably the best place to start.

:) How about adding a small Faraday cage around the resistance unit then run a USB extension to with ANT+ USB antenna inside the cage?

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x2 The usb extension cable helped me some with dropout issues with TrainerRoad and its cheap to try so go that route first.

http://www.amazon.com/...=usb+extension+cable

But it turned out my laptop was having some computer issues and that ended up being cause of some of the drops too.

Have an extension cable arriving Monday so will see. But I can put my laptop right next to the resistance unit /sender and have the exact same issues.

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"Oh man, it's going to take days to kill all these people!" - Jens Voigt

So tried it with the generic Amazon USB extender cable. Dropouts seemed slightly worse. Have cycled through every channel on router, tried shutting off every light/wifi/anything electrical in house, USB cable, different Ant+ dongles, different laptops. Nothing works.


So tired of this trainer - had it for over a year now and probably have had two months where it functioned in any form. Going to go back to my old fluid while I'm waiting for my Trutrainer rollers to arrive.

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"Oh man, it's going to take days to kill all these people!" - Jens Voigt

Have you tried moving the stick to a different USB port on the computer? Interference from an Ethernet cable or the HDMI cable was causing issues for me until I moved the ant stick to the front port. Also, disabling the WIFI on the machine can help

Yes, I've tried it in all USB ports on two laptops (Mac and PC), with WiFi disabled and no other cables connected. Made sure my phone in flight mode. Different rooms in the house. Still useless.

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"Oh man, it's going to take days to kill all these people!" - Jens Voigt

Slight increase in number of drop outs using that very cable. Beyond tired of this thing.

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"Oh man, it's going to take days to kill all these people!" - Jens Voigt

Wow - I think you are absolutely right then and it's a trainer issue... or you have a metal plate in your head

That would help with all the banging my head against the wall! I've gone through 3 resistance units, this is the first one that works at all. The first two were completely inoperable. Unless someone here has a new idea, this goes in the bin.

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"Oh man, it's going to take days to kill all these people!" - Jens Voigt

Have you tried a new ANT+ stick with the USB extension cable? I'd put it close, but not touching it.

Yes, I've tried this with no improvement at all.

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"Oh man, it's going to take days to kill all these people!" - Jens Voigt

Sounds like the transmitter inside the trainer is bad. Was that replaced as well? Also, have you tried a variety of head units? Garmin Edge, ANT+ Stick, Forerunner, etc?

I am on my third resistance unit, which includes the transmitter. This third one is at least, kinda, functional. I have a Joule GPS, have tried a friend's Joule as well, a Garmin and multiple laptop combos. All have the same issue.

I think it must be wireless interference, but it still bothers me that all head units/laptops perfectly receive my Powertap signal with no dropouts. There must be something about the Powerbeam transmitter or protocol that is not as robust.

Especially annoying as I've thrown good money after bad trying to solve the problem (eg. shipping the first resistance unit back to Saris, USB cable, Ant+ dongle). I'm quite looking forward to having a dumb trainer and being done with all this crap - I can just get on and ride.

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"Oh man, it's going to take days to kill all these people!" - Jens Voigt

Sounds like getting a second hand Computrainer :-) , all wired set up.

For testing: Get some aluminum foil. Make a tent with only the ANT+ USB Stick and cable coming in, and the trainer resistance unit. See if you have any different results. This would block any interference from coming in.