it turns out that it is possible to get a respectable software-defined radio on your handset. [Adrian] set this up to be fully portable as well, so he is running both the transceiver and the ...

My top picks here span ultra-portable budget models, premium radios and home stereo 'hi-fi' options, and they all sound (and look) fantastic.

A truly portable power station -- not the biggest or the most powerful, but it fits into a backpack for ease of transportation.