[Lowfer] Icom R75 Frequency Jumps
Pat Bunn
pbunn at matrixei.com
Fri Aug 9 07:53:02 EDT 2013
Todd
I use a Thunderbolt for my station do I already have GPS . I have seen the triplet that you use. I built several other designs but the signal from my test units were not as clean as I would have liked so I have not hooked it up,
Pat
Sent from my iPhone
On Aug 8, 2013, at 9:28 PM, <ToddRoberts2001 at aol.com> wrote:
> Pat, To lock my R75 to GPS I am using a DFS30 frequency
> tripler kit sold by Dave, G4HUP.
> I have my DFS30 hooked up to the 10 mHz
> output of a Thunderbolt GPS receiver.The DFS30 triples the 10mHz output
> to substitute for the 30 mHz timebase in the R75.
>
> You can learn more about the DFS30 kit here:
>
> http://g4hup.com/DFS30/DFS30.html
>
> The cost for the DFS30 kit is 27.50 GBP and Dave will accept payment
> via PayPal. The kit uses surface mount components so one needs to
> be comfortable with soldering SMT if they would like to build their own
> DFS30.
>
> Most of the Thunderbolt GPS receivers are sold out on eBay now but there
> are a few left in the $225 price range. I have heard of some hams using a
> Jupiter GPS receiver but I am not familiar with that one. I believe the
> Jupiter
> only has a 10kHz output that needs to be multiplied up to 10mHz.
>
> 73 - Todd WD4NGG
>
>
>
> In a message dated 8/8/2013 3:01:59 P.M. Eastern Daylight Time,
> pbunn at matrixei.com writes:
>
> Todd,
>
> Did you use Jays circuit for GPS locking your R75?
>
> Pat Bunn
> N4LTA
>
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