[time-nuts] Low-cost GPS distribution using DVB-T parts?

Azelio Boriani azelio.boriani at screen.it
Mon Nov 7 11:11:19 EST 2011


Yes, as some GPSes need a DC path to recognize a valid antenna I
modify the cheap satellite/TV splitters with a 270ohm (also 220, 180,
150 will do)  resistor between output F connector center and the GND.

On 11/7/11, paul swed <paulswedb at gmail.com> wrote:
> Indeed I used a cabletv/tv line amp for several years and splitters very
> effectively.
> However my last project used a preamplified antenna driving a minicircuits
> amp to a 8 way fairly good grade satellite splitter. The 8 way split is as
> I recall 19 db of loss. The mar circuit has 24-26 DB gain. Seems I always
> need just one more antenna feed. Plus the splitter has built in DC
> blocking. Though some gps recvrs need a antenna dc load to be happy.
> Regards
> Paul
> WB8TSL
>
>
> On Sun, Nov 6, 2011 at 11:28 AM, David J Taylor <
> david-taylor at blueyonder.co.uk> wrote:
>
>> My thanks to Nigel, Azelio, and Chuck for confirming the feasibility of
>> this.  At least I haven't spent too much time re-inventing the wheel.  I
>> now have some bits on order, including yes more adapters for those
>> wretched
>> F-connectors!
>>
>>
>> Cheers,
>> David
>> --
>> SatSignal software - quality software written to your requirements
>> Web:  http://www.satsignal.eu
>> Email:  david-taylor at blueyonder.co.uk
>>
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