Yes, I was pleasantly surprised. Making my own coil would be harder than
it looks. It has to be the correct inductance, of course, but the trap's
capacitance is provided by the distributed capacitance between the turns
of the coil and the capacitance between the coil and the aluminum trap
cover. So it needs to be the same physical size and shape as the
original, unless I want to be prepared to fool around with the length of
the antenna. Because of the location on the roof, it isn't easy to take
down and put up, so I would prefer a minimum of cut-and-try.
On 25 Dec 2014 17:45, Phil Wheeler wrote:
That is pretty surprising -- especially considering it's the holiday
season and the effect that can have on the mail and other forms of
shipping. I half expected you'd end up building your own coil, Vic.
73, Phil W7OX
On 12/25/14 2:16 AM, Vic Rosenthal 4X6GP/K2VCO wrote:
After complaining about the problems with my R8 vertical, I want to
mention that not only did MFJ agree to send me a new trap under
warranty, but I received it today! That is great service, considering
that shipping to Israel from the US often takes a couple of weeks.
I have learned an important lesson, which is that the R8 is actually
rated for 750W CW (or 500 RTTY/digital), at least on the bands from 18
MHz and down.
--
73,
Vic, 4X6GP/K2VCO
Rehovot, Israel
http://www.qsl.net/k2vco/
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