Hi
I enjoy trying to improve my setup with minimal outlay. With this in mind I forked out a whole £4.37 on one of these https://www.ebay.co.uk/itm/1-Pcs-ADS...-/293041458452 What did I have to lose?
As it turned out I had a lot to gain; about 50-60NM (130ishNM to a constant 190NM), once I lowered the gain on my dongle from AGC to 40.2
Anyhow, during the storm Ciara that struck the UK on Sunday, we lost power several times and when it was all over I discovered that filter/LNA was dead. I had been powering it from the Pi 5V header and am guessing a spike did for it?
From this event, I am assuming that this is a delicate device and rather than try again with another, I am wondering if I should just buy myself a passive filter. I have attached a section of the scan of RF signals plotted by rtl-power (having followed an excellent article by ab cd, on the planefinder forum).
My question is to canvas opinion as to whether the integrated LNA on this device contributed in any way to my improvement in detection, or whether it was all down to the filtering out of nearby nasties and the LNA just counteracted the insertion loss, as suggested by the designer?
If the thought is that filtering alone is likely the cause of the improvement are there any recommendations for a dirt-cheap (but worth having) ads-b filter that I might try?
BTW the dongle I am using is a RTL-SDR Blog V3
Cheers
950.JPG
1090.JPG
I enjoy trying to improve my setup with minimal outlay. With this in mind I forked out a whole £4.37 on one of these https://www.ebay.co.uk/itm/1-Pcs-ADS...-/293041458452 What did I have to lose?
As it turned out I had a lot to gain; about 50-60NM (130ishNM to a constant 190NM), once I lowered the gain on my dongle from AGC to 40.2
Anyhow, during the storm Ciara that struck the UK on Sunday, we lost power several times and when it was all over I discovered that filter/LNA was dead. I had been powering it from the Pi 5V header and am guessing a spike did for it?
From this event, I am assuming that this is a delicate device and rather than try again with another, I am wondering if I should just buy myself a passive filter. I have attached a section of the scan of RF signals plotted by rtl-power (having followed an excellent article by ab cd, on the planefinder forum).
My question is to canvas opinion as to whether the integrated LNA on this device contributed in any way to my improvement in detection, or whether it was all down to the filtering out of nearby nasties and the LNA just counteracted the insertion loss, as suggested by the designer?
If the thought is that filtering alone is likely the cause of the improvement are there any recommendations for a dirt-cheap (but worth having) ads-b filter that I might try?
BTW the dongle I am using is a RTL-SDR Blog V3
Cheers
950.JPG
1090.JPG
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