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  1. Replies
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    Sticky: Live HD FPV flights recorded off Connex Prosight...

    Live HD FPV flights recorded off Connex Prosight and new 2019 DJI Digital FPV.

    http://www.youtube.com/watch?v=_RzlSrCGRTE
  2. Is Connex PS making way for DJI Digital FPV?

    http://www.youtube.com/watch?v=_RzlSrCGRTETo end the Connex HD era, here’s the Prosight putting up a worthy fight against the DJI Digital FPV.
    https://youtu.be/_RzlSrCGRTE
  3. Old vs New Showdown

    http://www.youtube.com/watch?v=ha4WJ5x2K3AI found it interesting that this Spiral Antenna RHCP design was invented in 1956! It has an ultra wide band, 3ghz to 6.5ghz. Hence we can use it for FPV...
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    http://www.youtube.com/watch?v=p8i82IXBN5I...

    http://www.youtube.com/watch?v=p8i82IXBN5I

    Here’s an antenna plotter I came up with, for now it is not scaled to gain in DB, but it plots the actual beam width in real world space. Feel free to...
  5. Next Generation Pagoda

    https://www.maartenbaert.be/quadcopters/antennas/triple-feed-patch-array-antenna/
    79009

    I tried placing 5.8g microstrip patches in the same hexagon arrangement within the Array Analyzer App and...
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    @gobris, the modem output is definitely hopping...

    @gobris, the modem output is definitely hopping but you should be getting a voltage that fluctuates, most home models have a gain of 17db. Check your RF attenuator to make sure your attenuated output...
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    A rare gem, an iOS-based Array Analzyer

    There had been a lot of developments from 2012 to present day in 2019. For the average Joe, CP antennae had come to the point that one could pick up a brand-less "make" of the open-source pagoda on...
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    140usd Digital 5.8ghz SWR meter from OwlRC - how accurate is it?

    Got the OwlRC 5.8ghz SWR meter yesterday and did some empirical data comparison against readings taken with a high-end VNA.


    Red text below are the major discrepancies and Green text below are...
  9. Sticky: I stack two of these to get more beam-width and...

    I stack two of these to get more beam-width and higher gain, by using cheap coaxial cable to phase them.
    Here's a step-by-step for those who wants a stacked array but do not wish to spend a lot on...
  10. Here's how I stack 2 of the pagoda patches with...

    Here's how I stack 2 of the pagoda patches with cheap coaxial to achieve pretty similar results like an expensive MiniCircuits 2way splitter:

    http://www.youtube.com/watch?v=pkux2bY1Lkc

    link to...
  11. Remarkable range with 1.2g

    Yes, it is still the lightest solution at 200mw, a 600mw ts5828 has better penetration but it is 7.3g even with a trimmed clover directly soldered to the PCB. Here's a video to give u an idea of the...
  12. https://m.youtube.com/watch?v=KBoUmNpg-ZY In...

    https://m.youtube.com/watch?v=KBoUmNpg-ZY


    In the quest for the smallest APM for the lktr120, I settled with this micro APM which banggood calls it mini APM flight controller v3.18 and overskyRC...
  13. i have the 3508 380kv sunny skies motors, same...

    i have the 3508 380kv sunny skies motors, same ESCs, 6S 4000mah, Naza and 15x5.5 props, pretty similar to your setup. The 4014s on my friend's quad also ran hot and he soon switched to the red 3508s....
  14. The Alien560 is cheap for a reason. My neighbor...

    The Alien560 is cheap for a reason. My neighbor bought the frame kit and we met up for coffee to compare the carbon plates's dimension by laying them side by side. Their width turned out to be almost...
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    No it won't, it isn't a dipole in comparison but...

    No it won't, it isn't a dipole in comparison but a monopole. :)
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    Tuned Vee dipole for 1280mhz

    Works like a charm.

    http://www.youtube.com/watch?v=jnXZcOffk3k
  17. Nice work Mashton! They look sweet. Do the PCB...

    Nice work Mashton! They look sweet. Do the PCB elements require the guard like ibcrazy's 2.4g PB or are they hardy enough in their bare form?
  18. I realized the gimbal's Alu plate were blocking...

    I realized the gimbal's Alu plate were blocking the holes for the landing gear. I had to shift it forward and that shifted the C.G. So, the battery tray had to go further to the rear. To do that, 2...
  19. For those intending to mount the ebay goPro...

    For those intending to mount the ebay goPro brushless gimbal, here are some pics of how i installed mine.
    And likewise, another pic showing how I installed the folding GPS antenna post.
  20. The same goodies arrived at my door today. I will...

    The same goodies arrived at my door today. I will run mine with 6s (2x 40C 4000mah 3S in series), 380kv sunny skies and some big-ass props (15"*5.5 mkII). I also ordered 4x 15cm-long 16mm carbon...
  21. Expect to get 15% more range than a single...

    Expect to get 15% more range than a single crosshair for the 5.8g pepperbox.
    Under the same humid conditions and RF noise in Singapore, we get 5km on ibcrazy's crosshair and 6km on a home brew...
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    Analog Antenna Tracker

    Here's an analog one :)


    http://www.youtube.com/watch?v=V2W9wiUJuf4


    http://www.youtube.com/watch?v=fYQgXY3Ph5I
    78804
    just sold a couple of these tracker-boards on eBay so there would be...
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