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

[Magnus Danielson]

They too emit radiation, prodominantly in the infrared region, but so do 
we all, even black (body) sheeps.

Cheers,
Magnus

On 05/10/2015 03:12 AM, Alexander Pummer wrote:
> 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.
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