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Red Dot SWR Meter

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mrspudandcompany(at)veriz
Guest

Posted: Wed Apr 18, 2012 1:12 pm Post subject: Red Dot SWR Meter

Bob,



Thanks much for procuring and testing the Red Dot SWR meter.  I will put it

to use testing my installed antennas mounted inside my wooden aircraft.  No

doubt, there will be questions how best to do these tests, and what are

acceptable parameters.



Have you published the results of your testing of this meter with your

reference?



Roger

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mrspudandcompany(at)veriz
Guest

Posted: Sat Apr 21, 2012 3:43 am Post subject: Red Dot SWR Meter

Bob,



During a previous discussion on this forum, we were kicking around the

relative use and accuracy of the small Red Dot SWR meter.  You purchased one

and performed some comparison tests with your lab equipment.  I purchased

this unit from you, at a good price, I might add, and will be using it

shortly to test the built in antennas in my nearly completed wooden

airplane.



Have you published the results of your testing of this meter with your

reference?  It would be interesting to note the actual tested accuracy of

this device.



Thanks,



Roger

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nuckolls.bob(at)aeroelect
Guest

Posted: Sat Apr 21, 2012 4:53 am Post subject: Red Dot SWR Meter

At 06:40 AM 4/21/2012, you wrote:



Bob,



During a previous discussion on this forum, we were kicking around the

relative use and accuracy of the small Red Dot SWR meter.  You purchased one

and performed some comparison tests with your lab equipment.  I purchased

this unit from you, at a good price, I might add, and will be using it

shortly to test the built in antennas in my nearly completed wooden

airplane.



Have you published the results of your testing of this meter with your

reference?  It would be interesting to note the actual tested accuracy of

this device.



   I did a mini-review here on the List when the

   unit I ordered arrived. I don't recall the exact

   details but I was favorably impressed with its

   performance as compared to the Bird and Measurements

   Corp instruments I have here.



   Nothing real quantitative. I recall that there were

   differences at some frequencies and power levels on

   the order of 10% . . . but in the field of RF power

   measurement tolerances of plus or minus 10% is

   pretty good.



   I'm still hoping that I have a chance to participate

   in some activities that will take me back inside the

   walls of NIAR at WSU. If this happens, I think I can

   get access to the EMC labs for a quick looksee at

   the HID lamp assemblies on my bench for conducted

   and radiated emissions. If those programs spool up,

   I'll pick up another Red Dot to evaluate over a wider

   range of frequencies and power levels than I can

   generate here.



   Given the instruments compact size and relative

   robustness of enclosure and inspection of

   the interior, I think the Red Dot SWR meter is a

   great value.

   Bob . . .

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