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[TowerTalk] MF-259B

To: <>
Subject: [TowerTalk] MF-259B
From: "Jim Thomson" <>
Reply-to: "Tower and HF antenna construction topics." <>
Date: Mon, 15 Mar 2010 00:27:17 -0700
List-post: <">>
Date: Sun, 14 Mar 2010 20:10:35 -0400
From: <>
Subject: Re: [TowerTalk] Uses of MFJ 259B

The MFJ 259 has measures many functions.
It measures just about all transmission line equation parameters and the 
alterations caused by loads - antennas.
Here's its parameter list and how to move to them.

Frequency Counter

John, K2SFS

## here's   what it  won't do. 

## it's a dead loss  when measuring inductance and Capacitance.  I Tried using 
it to make tank coils for
hb linears, and it's out to lunch, not even close.  3 x mfj's  were tried. 

##  I use a B+K  875-B   for accurate L + C  measurements.  Then everything is 
dead on per the spread sheet.  

##  They warn you not to inject a signal into it, for freq counter purposes, if 
unit is not powered up.  You will damage the unit. 

##  The optional grid dip coils won't dip anything, even a simple parallel 
resonant circuit.  Several friends also
commented they too, couldn't grid dip anything.  Even W8JI  says they don't 
work.   I use a real GDO.  

##  everything else seems to work fairly well on the 259. 

later........ Jim   VE7RF


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