[K3CAL] MFJ-259B Calibration

[N3AE]

Ron, 


I think we have a browser issue. In my original post, the resistor values have the Greek symbol Omega after them (Ohms). Your browser may have translated to the letter W. 


Shawn 

----- Original Message -----
From: "Wa4prr" <wa4prr at comcast.net> 
To: "Calvert Amateur Radio Association - K3CAL" <k3cal at mailman.qth.net> 
Sent: Sunday, May 19, 2013 2:19:22 AM 
Subject: Re: [K3CAL] MFJ-259B Calibration 


Shawn, don't you mean OHM instead of Watt loads? 73, 

Ron Byzet / WA4PRR - Sent from my iPad 

On May 18, 2013, at 6:29 PM, N3AE < n3ae at comcast.net > wrote: 






Someone from the club asked me about an article I found on how to calibrate a MFJ-259B antenna impedance meter. Unfortunately, I forgot who asked me. Sorry to bother you if you're not interested. 


The procedure can be found at http://www.mfjenterprises.com/pdffiles/MFJ-259B_Calibration.pdf 


Also at http://www.w8ji.com/mfj-259b_calibration.htm 


The procedure requires some high accuracy loads constructed with 1% non-inductive resistors and PL-259 connectors. I bought the parts (connectors and 1% resistors) but have not put them together yet. 


Loads needed: 




A. Short 

B. 12.5- W load 

C. 50- W load 

D. 75- W load 

E. 100- W load 

F. 200- W load 






Shawn - N3AE 


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