[TowerTalk] steppIR Gain--test method

[Gary Schafer]

Rick Karlquist wrote:
>>Even making a differential measurement, trying to read to 1db on a log
>>scale
>>with 10db per division is not realistic. You just can't "eyeball"
> 
> 
> You don't use 10dB/div.  You use 1 or 2 dB/div.  You don't use
> the vernier attenuator at all.  The 141 is a red herring.  Unknown
> antenna range effects are the real issue.
> 
> Rick N6RK
> (who owns three 141 SA's and several other models)


Hi Rick,

Exactly my point, you need more resolution than the 10 db.
Not to start another argument but I also have a 141 it is a 141A but has 
I presume the same IF unit, the 8552a. It does not have a 1 or 2 db 
scale selection like more modern analyzers. Only linear or the standard 
log scale which is 10 db per division.

Does your 141 have 1 db scale selection?

I agree range effects will probably outweigh analyzer errors but 
analyzer errors in this case will not be small either.

73
Gary  K4FMX