Chuck,
The later W2 couplers are the same as those for the P3TXMON, but the
ones for a time after the P3TXMON was introduced are different.
The early ones will not work well with the P3TXMON.
Sorry, but I cannot tell you when the changeover took place.
You will have to dig up that modification information and examine your
coupler to see if has the changes installed.
73,
Don W3FPR
On 3/20/2018 10:05 AM, hawley, charles j jr wrote:
Are the directional couplers, the DCHF-xxxx, the same as the ones on the W2
wattmeter? I seem to remember something about modifying an existing directional
coupler in the early days of the P3TXMON.
If they are exactly the same do all the directional couplers ever sold, early
ones and now later ones, work with the P3TXMON?
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