[NLRS] Hot Wheels radar guns

[Doug Reed]

 From the discussion on the web, the basic calibration was only 10-20%
accurate anyway. A 1MPH error may not be noticeable. Evidently there is 
a place in the circuit where you can tweak for better accuracy.

73, Doug.

Baker, Donn B wrote:
> The LO may be useful... don't know yet, as I haven't opened mine up.
> There is a bunch of data available on the net, mostly from Austraila.
> 
> 
> I actually want to use some of the parts as a speed gun... the
> display and "computer" mostly. There will be a built-in error due to
> operating it in band instead of at 10.525 GHz.  Maybe one MPH or
> so... I'll have to calculate it out.
> 
> 73 Donn WA2VOI/0
> 
> -----Original Message----- From: nlrs-bounces at mailman.qth.net
> [mailto:nlrs-bounces at mailman.qth.net] On Behalf Of Doug Reed Sent:
> Thursday, December 14, 2006 8:11 AM To: nlrs at mailman.qth.net Subject:
> [NLRS] Hot Wheels radar guns
> 
> 
> 
> If anyone is still looking for a Hot Wheels radar gun, I was at the
> Vadnais Heights Walmart store at County Road E and I-35E (first exit
> north of I-694 on I-35E) last night and they still have 6 or 7 of
> these on the shelf in the toy department. Still only $20.
> 
> Has anyone got a useful project idea based on the radar gun? I expect
> that measuring the speed of cars on my street would keep my interest
> for about 5 minutes. Is the 10GHz RF stage useful for a project?
> Stable enough to be a signal source? Anything to do with it after you
> bring it home? It is cute but I need a better reason to buy it. I've
> got enough cute junk already....
> 
> 73, Doug. _______________________________________________ NLRS
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