Hi Adrian,

I suspect that many of the people here use proprietary SDR hardware - if code is linked with an appropriate HAL (hardware abstraction layer) eg libosmosdr/GNUradio, then it is pretty easy to swap the USRP for a BladeRF, or LimeSDR, or any other SDR with suitable capabilities which is supported by the HAL...

Have you been using SDR for user GSM stations as well? or mobile phones with custom configuration/special SIM card/hacked firmware?
Operating on 33cm or on a different band? (23 or 13 cm?)
Using the "standard" 45 MHz duplex split, or something different? (the 33cm amateur allocation here in New Zealand is not wide enough to accommodate a 45 MHz split)


73 de ZL2WRW
Ross Whenmouth

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