No subject

immune to interference, although we all know that old systems are slow
to be replaced.  But if they use a system so frail that a beacon
transmitter can shut down the power grid they should be worried about
hackers or terrorists using this weakness to disrupt things more than
they worry about hams.


Craig - N6IO




On 11/27/12, K2ORS <k2ors at verizon.net> wrote:
> Hello the list,
>       The ARRL will be filing comments on the FCCs proposed amateur
> allocation at 137kHz.
> In the FCCs notice  they are proposing a 1W EIRP limit and possible
> ADDITIONAL restrictions to protect PLC systems.
> http://www.arrl.org/news/fcc-seeks-to-assign-entire-amateur-portion-of-160-meter-band-to-primary-status-to-amateur-radio-serv
> http://transition.fcc.gov/Daily_Releases/Daily_Business/2012/db1119/FCC-12-140A1.pdf
>
> It has been my experience with WD2XGJ running up to 4W ERP (6.5W EIRP) 900'
>
> away from a power line with an active PLC that there is problem.
> Further Bob W2ZM has run WE2XEB with up to 10W ERP (16W EIRP) with no
> problem.
>
> I spoke to Dan Henderson N1ND at HQ - he is interested in our comments, but
>
> to be timely they need to be submitted before the Execuive Committee
> conference call Thursday evening.
> You can send comments to Dan at n1nd at arrl.org or send them to me and I'll
> incorporate them into my comments.
> I will put my comments up on my web site and send out a link to this list
> before sending to ARRL.
>
> Tnx & 73 Warren K2ORS
>
>