The Things are coming…

Recently, I attended #offcamp – a barcamp style discussion around open data which was organised by @bcs_isleofman and free to attend. The morning sessions were OK and it was good to see that some thought is being given to making data open and available, especially data that has been collected by governments and already paid for […]

Digital Voice in Amateur Radio

Analogue signals are great in that they are simple enough to generate and demodulate, but they suffer in that the signal quality degrades when sent over a noisy radio link. With radio voice systems, this is heard as pops, crackle, hiss etc. and the problem gradually gets worse as signals get weaker. Human ears do […]