[600MRG] Modifying a MFJ259C

[Brian Pease]

I kept saving my money and bought an Array Solutions Aim/UHF one port 
USB analyzer.  This is the real deal, 5kHz-1000MHz.  You can create a 
calibration file to measure impedance at the far end of a long feedline 
using the precision open, short, and 50 Ohm loads that came with it.  
Any other known resistance can be used. It is as accurate as HP lab 
gear.  A single sweep gives impedance, SWR, phase, and shows bandwidth.  
With included software you can instantly calculate values for many types 
of matching networks.  It is happy to measure LCR values also, at your 
operating frequency.

On 6/1/2015 8:36 PM, Robert Roehrig wrote:
> I have a 259 and installed the LF mod. ButI find it useless to check the antenna. I am guessing it is overloaded by nearby broadcast stations. I wonder what luck others have had.
>   
>
>
>       On Monday, June 1, 2015 6:05 PM, Dick Bingham <dick.bingham at gmail.com> wrote:
>     
>
>   Hello folks
>
> I have been tempted to buy one of the MFJ259C Impedance Analyzers and have
> heard some folks have a 'mod' to get it to work at 630-meters.
>
> Is this true that there IS a modification to extend the low-frequency range
> a bit. If so, I'll buy one and get busy working on some antennas . . .
>
> 73 Dick/w7wkr and wb2xsh-26 at CN98pi
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