My radar T-ZBAA1 is online.

[stargate]

But the antenna is not so good. The data I received is very little.
Who have a better antenna design drawings，I could try to make a better one.

[Oblivian]

Francois makes a PCB version rather cheaply with good results. http://f5ann.pagesperso-orange.fr/An...MHz/index.html

Or you can DIY using a fairly good design (same as I am running and getting ~180nm) http://www.modesbeast.com/g7rgq.html

[stargate]

Francois makes a PCB version rather cheaply with good results. http://f5ann.pagesperso-orange.fr/An...MHz/index.html

Or you can DIY using a fairly good design (same as I am running and getting ~180nm) http://www.modesbeast.com/g7rgq.html

The second one looks like easy to diy. Can it be used indoor? TNX

[Oblivian]

You can't really use any antenna indoors without a lot of loss. ADSB is in the microwave band so is effected by moisture and LoS to source. So you will always have degraded coverage using antennas indoors. But I guess it can.