On Sat, 26 May 2018 08:37:39 +0000 "Davies T." <t.davies at swansea.ac.uk> wrote: > Hi there Alan! > > > Don't knock those old 433 MHz modems. Robin set one up on the roof of Faraday and it gave coverage all over Swansea. Yes I know - I was a regular user of it. It wasn't that effective but it worked rather well. Alan