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Fatshark Module Test Results: Trial 1 (Patreon)
Published:
2017-06-23 19:57:17
Edited:
2017-06-23 19:57:27
Imported:
2021-09
Content
Here are the results from the first round of testing. This test is the "out-and-back" test, where I fly in a straight line down the road as far out as I can go. This test does not involve diversity at all, since the modules should stay on the directional antenna the whole time. The goal is to simply test the raw range of the module.
IMPORTANT NOTE: The AttitudeV4 was using a Triumph antenna, whereas the diversity modules were using both a Triumph and a 10 dBi X-air crosshair. This puts the AttitudeV4 at a huge disadvantage, but I thought it was fair for two reasons. First, Attitude doesn't do diversity, so it is most likely that people will simply fly it with an omni. Yes, you could put a patch on it instead of an omni and only fly in front of yourself, but most people won't do that. Second, Fatshark has done some marketing where they argue that diversity is kind of a waste of time and the FS module is nearly as good or just as good as a diversity setup with a patch antenna. So let's put that to the test.
Nevertheless, I must make very clear that this test is NOT FAIR AT ALL to the AttitudeV4 with OLED module.
Second, the ClearView is also using two omni antennas. This puts it at a disadvantage in this test, but ClearView is so damn good that I don't mind giving it a handicap. In this case, we can see that the ClearView did not fully overcome its handicap, but hey, them's the breaks.
HERE IS HOW THE SCORE WAS CALCULATED. I went through the video one second at a time. In each 1-second frame, I made a simple yes/no decision: is this image flyable? If the image was NOT FLYABLE, I awarded 1 point to the module. In other words, a lower score is better.
It's interesting to me that, in this test, the ClearView did not do as well as the directional antennas, while in previous tests, it did nearly as well. One difference is that I was using the Lumenier 8 dBi patch, and now I am using 10 dBi crosshairs. Hard to imagine that 2 dBi made such a difference though. Maybe the fact that the previous test was done in winter also mattered? I think all modules seemed to do worse than before.
IMPORTANT NOTE: The AttitudeV4 was using a Triumph antenna, whereas the diversity modules were using both a Triumph and a 10 dBi X-air crosshair. This puts the AttitudeV4 at a huge disadvantage, but I thought it was fair for two reasons. First, Attitude doesn't do diversity, so it is most likely that people will simply fly it with an omni. Yes, you could put a patch on it instead of an omni and only fly in front of yourself, but most people won't do that. Second, Fatshark has done some marketing where they argue that diversity is kind of a waste of time and the FS module is nearly as good or just as good as a diversity setup with a patch antenna. So let's put that to the test.
Nevertheless, I must make very clear that this test is NOT FAIR AT ALL to the AttitudeV4 with OLED module.
Second, the ClearView is also using two omni antennas. This puts it at a disadvantage in this test, but ClearView is so damn good that I don't mind giving it a handicap. In this case, we can see that the ClearView did not fully overcome its handicap, but hey, them's the breaks.
HERE IS HOW THE SCORE WAS CALCULATED. I went through the video one second at a time. In each 1-second frame, I made a simple yes/no decision: is this image flyable? If the image was NOT FLYABLE, I awarded 1 point to the module. In other words, a lower score is better.
It's interesting to me that, in this test, the ClearView did not do as well as the directional antennas, while in previous tests, it did nearly as well. One difference is that I was using the Lumenier 8 dBi patch, and now I am using 10 dBi crosshairs. Hard to imagine that 2 dBi made such a difference though. Maybe the fact that the previous test was done in winter also mattered? I think all modules seemed to do worse than before.
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