WhoGivesAFig? wrote:
> wrote:
>> Mxsmanic > wrote:
>>> writes:
>>
>>>> Such as?
>>
>>> Such as the need for local transmitters at every airport. LAAS
>>> requires this,
>>> and since WAAS cannot match ILS precision, LAAS is required if ILS is
>>> to be
>>> fully replaced.
>>
>> What about multipath?
>>
>
>
> LAAS uses one frequency to upload the corrections necessary for CAT 2
> and 3. IAW, one VHF uplink.
>
> Jam it or lose it and you lost all your CAT 2 or 3
>
> Single Thread is not good


Look at this link

Notice the VHF uplink

JUST ONE

Not good

http://en.wikipedia.org/wiki/Local_Area_Augmentation_System

Maybe a LAAS and a JPALS as a backup may be a good
redundancy plan??

I say it must be done that way if you remove the ILS systems