[time-nuts] lawnmower robots may be the end of VLF timekeeping

[Alexander Pummer]

Bob Widlar -- yes the designer of the "741" -- of National Semiconductor 
had a better idea, he bought a few sheep
73
KJ6UHN Alex

On 5/9/2015 2:02 PM, Mark Sims wrote:
> iRobot (the Roomba vacuum cleaner people) have applied for an exemption to allow them to send beacon signals in a 6-7 GHz band to fence in their new lawnmower.  The band they want to operate in is apparently for indoor only low power applications.
>
> The easy solution is to just buy some goats...  the emit very little in the way of EMI...  but do emit other,  uhhhh,  signals.
>
> --------------------------
> Clearly, you need a better nav system for the robot based on precision
> time of flight measurements from a network of transmitters around the
> property linked to your hydrogen maser. 		 	   		
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.