This is interesting, particularly at about the same price as the original KiwiSDR (if it truly is), getting dual tx and rx and some degree of API.

I'm particularly interested in the dual-ADC capability and the hints that it can operate with PowerSDR. If so, it immediately offers the possibility of beam forming and noise cancellation.  Maybe even HPSDR can do this already, I haven't used it for years so I have no idea.

My concern is more for the SW development environment and the size and ability of the user/support group.

It should work immediately with my Transverter to get all modes everywhere 0-2 GHz. 

Has anyone on here already used it or a Red Pitaya for spotting WSPR/FST4W and can you tell us more?

Glenn

This is not comparable to the SDRlab 16 bit 122.88 MHz version of Red Pitaya. It does not have the 7020 FPGA but a 7010 like the STEMlab 14 bit 125 MHz version. It can not run 16 channels in parallel for wspr or FT8 like the SDRlab. Which can also be seen from Pavel Demin’s image that is loaded as that is the one for the STEMlab. It does look like a nice mix from the SDRlab with its rf coupled 50 Ohm inputs/outputs and the 50% smaller STEMlab.

Interesting piece but not a clone nor fully compatible. It has different chips used, it does not have the full 64 pin I/O rails etc.

As it is almost the same price as a real STEMlab I think I will not buy one to test and compare to my STEMlabs and SDRlab.

Erwin

Thanks for your notes. I'm completely ignorant of Red Pitaya landscape so these help me a lot.

As I have time, I'll try to look at these other dual-ADC solutions. Two coherent ADC's is really a useful feature. Not only does it offer separate antennas, e.g. LF-mid, mid-high HF, but it also allows direct comparisons and complex summing.  So not only noise cancellation but also polarization synthesis from two similar antennas. This is the point of the quadri-pole antenna I described on the OSHW web site.  This is fascinating and very useful territory for propagation study, not to mention a potential 3 dB SNR advantage at times. 

The dual ADC radio I had, an Anan 'Angelia' motherboard, has gone intermittent after >10 years  and I've not been able to fix it. A dual ADC radio (transmitter included or not) that works with PowerSDR at an affordable price would let me continue some of these investigations.  Maybe I need to consider a Red Pitaya.

Glenn n6gn