Wlado,
?
I agree with John’s analysis. ?This is supported with my personal experience with the two devices I listed. ?Granted that I live in a high arm environment around Chicago. Ther may be some birdies in a quiet location. I have not tested there.?
Also note that there are a number of high power shack supplies that are switchers. ?All three that I use are.?
For the relatively low cost, and the fact that you can return the device to Amazon, it would be worth trying.?
73
Evan
AC9TU