[time-nuts] WWVB Now a Monopoly

[Jim Lux]

On 9/26/12 4:26 PM, J. Forster wrote:
> And would anybody accept the results as accurate?
>

why not.. the transmit signal specification is published, you could 
analytically prove what the receiver performance should be and verify 
your implementation against it

We do this all the time with BPSK and QPSK receivers by running BER 
curves vs Eb/No.

>
>
>> On 9/26/12 9:46 AM, J. Forster wrote:
>>> I just received this in reply to a query ablot the availability of
>>> receiver designs for the new WWVB format:
>>
>>
>>> No sir, the government does not have a receiver design.  The design has
>>> been created by Xtendwave under an SBIR grant.  Their design is
>>> proprietary.
>>>
>>> ================
>>>
>>> To me this reads...   If you want to use the publicly financed WWVB
>>> service, you MUST buy the Xtendwave hardware.
>>>
>>
>>
>> Not exactly... you could design your own receiver and use it.
>> (hopefully not infringing any patents from Xtendwave)
>>
>>