[Antennas] CUSHCRAFT ANTENNAS
wb4mnf
[email protected]
2002年3月08日 10:26:11 -0500
Why does a half wave antenna become less efficient by turning it on end
(vertical ve horizontal half wave)
-bob
GoJolly wrote:
> I have been casually reading all the posts about the Cushcraft Verticals
> with amusement.
>> First thing is a "half wave vertical" with no radials is about the same as
> putting a 100W lightbulb on the end of you coax and putting it on a fence
> post. The laws of physics are not subject to interpretation. The
> efficiency is about 15%. So, if you are satisfied with 15W out, then of
> course the verticals work great. Lot of money to pay for that. ANY kind
> of wire antenna would be better with a little tweaking. And with the poor
> customer support that is reported...
>> Seems like it's time to re-think using these products :-)
>> My 2 cents worth.
>> Bill K6ERQ
> - - -
>> Your moderator for this list is:
> Larry Wilson KE1HZ [email protected]
> _______________________________________________
> Antennas mailing list
> [email protected]
> http://mailman.qth.net/mailman/listinfo/antennas
>>>