[time-nuts] Earth rotation angle parameters via GPS?

[Bruce Griffiths]

Bruce Griffiths wrote:
> The GPS interface control document IS-GPS-200D defines message type 32 
> on page 145 (Figure 30-5) and pages 175-178.
> The message contains the parameters necessary to calculate UT1 (Earth 
> rotation angle) when UTC is known.
> Does anyone know of a readily available GPS receiver that makes these 
> parameters accessible to the user?
>
> Bruce
>   
Rephrasing the above:

What GPS receivers (preferably timing recievers) are readily available 
that make the data contained in the CNAV messages broadcast on L2C 
available to the user?

Bruce