DIY turnstile bali v1 antenna + outdoor LNA case

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who need this?

  1. everyone that want build diy antenna for satnogs observation especialized for 70cm LEO satellites. (working good for LEO satellites 369 Mhz - 445 Mhz)
  2. everyone that desperate with bad reception or wooble noise floor at their observations result.

freely download the manual (secret) here:

diy-turnstile-antenna-bali-v1.pdf (2.1 MB)

cover-turnstile-bali-v1
cover-turnstile-bali-v11024Ɨ1008 149 KB

before - obs 13999048 and after - obs 13999699
download the iq file to proof it on your sdr app (sdr++ compatible)
before and after

noisy
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lessnoisy
lessnoisy840Ɨ888 189 KB

reception result (I LOVE BALI YES) (screenshot from db.satnogs.org when i post this):

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you can live test this antenna on my station
test here

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image394Ɨ460 24 KB

my setup:
antenna ā†” outdoor LNA 20dB ā†” coax cable RG6 10 metre ā†” RTL-SDR (gain set to max 49.6) ā†” raspberry pi

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image467Ɨ580 56.9 KB

iā€™m open for any suggestions about this design.

73!

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SatNOGS #4451 - Indonesia (UPDATE)
SatNOGS Ground Station Antenna and Rotator Hardware Assembly Help
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this obs is example for proofing why got the antenna that resonance with your targeting frequency is very important / more important than good SWR for rx groundstation:

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image880Ɨ711 124 KB

from the E to S is full blocked by high concrete wall and building. current antenna position is lower than roof. but the signal still detected on waterfall. because it resonance.. (Z Phase 90 degree ~ 0 VS SWR > 3)