Shoutbox
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ON7NDR
start guide dvbs-2 demod in forum avaible page 13 for all datv - qo-100 with simple rtlsdr usb device
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David G0MRF
Hi Jean-Louis. There is info on the amplifier in the forum. You need about 170mW input for 3.5W out
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ptilouis
Hi My name is Jean-Louis, ZS6AAG i am experimenting with uplink to the satellite with antenna logarithnic 12db, one hackrf and one ampli 2.4ghz 8 watts from china, can i attack directly the wifi amplifier or i need something between the hackrf and the wifi amplifier, many thanks for your answer
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DN1HRZ
Hi
do you have more fotos from your antenna ?? is it pertinax plate ?
PY1SAN
Hi.
No. This is a cheap PCB FR-1 with 1 Oz (0,035mm).
I have a video with more details:
My e-mail is py1san@hotmail.com
I can send the photos.
73 !
DN1HRZ
Nice. Do you have the dimensions please ?
PY1SAN
Hi.
To made, i used the site below:
73 !
DN1HRZ
Thanks a lot.
How do you deal with so much digits behind decimal point?
13.315672500000002cm
i can probably make it 13,30 cm but not exact to these microns. problem ?
PY1SAN
I dont had how make this antenna with the exact size too.
This size i take in the calculator, but i removed all decimal numbers. This antenna it isn't critical design.
My Helix diameter was made with 4,5cm ( was 4.238 cm), because the size of my LNB horn.