hi use standard D cells in a thermal jacket below 18ins
underground this will maintain constant temp for a long time
this is standard practice for quick deploy apps
Can any one help me ?
I am looking for the approprate VHF channels for a rapid deployment system in the band 153.5MHz-154MHz some of the
spot freqs are used by met aids
The RA is trying to bring this industral telem band in harmony with europe,look at RA web site for more info
this band is becomming more crowded as some of the utils have lost their radio freq allocations and using lice exempt
chans to fill the gap