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Post by leviw on Jul 12, 2017 13:08:33 GMT -7
We are trying to troubleshoot a serious lack of range on our Ubiquiti video streaming system. It would be helpful to have a complete list (or a screenshot) of the correct (or best) settings for the M5 modems. Thanks!! (BTW: This isn't a post by Levi, just using his account which was default on this PC.)
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Post by DougGranger LSU on Jul 12, 2017 13:14:37 GMT -7
You don't happen to have your Ubiquitis set to a channel width of 20/40 Auto do you? If so, that is probably your issue. There is a question mark next to the channel width settings. CLick on it and it states that the smaller the width the longer the range.
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Post by leviw on Jul 12, 2017 13:56:29 GMT -7
We are using the 5 MHz channel width to give us a longer range.
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Post by leviw on Jul 12, 2017 13:59:35 GMT -7
What kind of range is your team getting on your connection to your payload? We are having a hard time keeping connection past about 20,000 feet.
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Post by parkerswanson on Jul 14, 2017 17:45:30 GMT -7
Hi Eclipse Ballooning Mission colleagues,
The eclipse is only a few weeks away, and we are worried because so far we haven't achieved anything like a long enough range with our video downlink (Ubiquiti modems, dish antenna, etc.). We would very much like to hear from you to help us figure out what we're doing wrong.
So far, we've received adequate video only from a line-of-sight distance of about 4 miles. And that was distance measured practically straight up, on a flight when the sharp-eyed members of our crew could actually see the balloon and make sure the dish was pointed at it (also watching the signal-strength LEDs on the Ubiquiti modem, of course).
We've tried longer range flight tests, and have lost video signal at a similar distance. We've been aware of 2 problems, the first of which we think is now fixed:
(1) The auto-pointing software (and servo hardware) on the ground station wasn't working properly. MSU has recently published updated software for that, which we believe works. Independently, our team's software people developed our own auto-pointing software, which works just as well as MSU's. (We'll publish that software when we're convinced it's fit for release.)
(2) Even when we *know* the dish is pointed at the balloon (as in the visually-pointed case mentioned above), we still have poor range.
We would *very* much like to hear how your teams are getting along with your video range. It's possible that we may want to travel and visit you to learn what you're doing right!
Thanks a *lot* for your cooperation and help,
Parker
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Parker Swanson, MSEE; amateur radio KO7Q
Advisor, LBCC Space Exploration Team
mailto:parker.swanson@linnbenton.edu
(cell, preferred): 541-760-5473
Linn-Benton Community College
6500 Pacific Blvd. SW
Albany, OR 97321, USA
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Post by Trevor MSGC on Aug 2, 2017 10:11:02 GMT -7
Some updated M5 settings will be released in the next few days. We've verified these settings are capable of getting video of at least 34.4 km.
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