[cr-india] Chilean miners saved by leaky feeder

[Arun Mehta]

On Sat, Oct 23, 2010 at 11:37 AM, Vickram Crishna <v1clist at yahoo.co.uk> wrote:
> For 140 specific outlets, even piped information is relatively inexpensive.

Let me add to the list of solutions:

1. Citizens Band radios: dozens of channels, license-free upto 5
Watts,  cheap receiver-transmitters
2. AM transmission over the electricity cable. Cheapest -- receivers
can even be crystal sets :-)

warmly,
Arun Mehta