[Elecraft] Fool proof kill switch = deadman timer?

[Jim Miller]

Thanks for all the suggestions. Does anyone run Remote Rig and know what
failsafe it may provide?

73

jim ab3cv

On Mon, May 29, 2017 at 11:20 AM, Jim Miller <jim at jtmiller.com> wrote:

> In considering remote operation options I'm still struggling with how to
> implement a kill switch that is foolproof.
>
> Last night we had several power glitches that left our Comcast modem hung
> up. There was really no service outage in the area so all it took was
> unplugging and replugging the modem to restore it. Of course it took nearly
> 5 minutes to completely come alive with internet service active.
>
> This happens often enough that it makes me concerned that if internet
> service is interrupted while I'm operating remotely I wouldn't be able to
> kill the transmitter output.
>
> So I'm wondering if a better option is to have a deadman timer to kill the
> K3 and amp output. Not sure what criteria I would use to reset the deadman.
> I'm sure a Raspberry Pi or similar could be programmed to do the work.
>
> Suggestions welcomed!
>
> jim ab3cv
>