Re: not receiving inmarsat C L-band data #aero
I don't understand why your receive set up is failing, I'll take some of your points in order:
1) Bias T - have you physically checked the voltage is there - with a meter - it should be around 4 to 5 volts
2) if you added the NooElec LNA it would have blocked the power to the patch - did you add a 2nd voltage supply to the patch? - a 2nd bias tee between the LNA and Patch
3) I don't understand your worries about a prime focus dish - an offset dish is perfectly ok, assuming you have the correct arm to attach the helix to it should be in focus.
In any case you should be getting some sort of signal without a dish.
As for my own setup, I like to experiment so I've built a patch antenna, and a helix antenna - both work ok without a dish. I've made two helix, one right hand for direct use and the other left hand for use with a dish.
The dongle is a RTL-SDR V3 with bias T (switchable using a simple batch file) if I want to add and amplifier.
Sorry, I have no knowledge on the Funcube - the website says software switchable so perhaps there is a command you can send to switch it on?
On 10/12/2018 at 09:50, Roland Fechter <fly-fechter@...> wrote: