It's easier to put up a multi-element phased array (maybe 6 - 7 db gain) and
a good low noise receive antenna (so you can hear the other guy). Without
the latter, you're only broadcasting (unless the other guy is running 150KW
too). If you can't hear them, you can't work them.
Jerry
----- Original Message -----
From: "R L Measures" <r@somis.org>
To: "Jerry Muller" <k0tv@arrl.net>
Cc: "Richard Carey" <rwcarey@gte.net>; <amps@contesting.com>
Sent: Wednesday, May 17, 2006 7:30 AM
Subject: Re: [Amps] Henry 8K
>
> On May 16, 2006, at 12:11 PM, Jerry Muller wrote:
>
>> Hi Richard,
>>
>> The real way to have a "really big signal" is to have a "really big
>> antenna". You get tons more bang out of a really good antenna than a big
>> amp. Sure the kilowatt helps too but the first thing to have is the
>> antenna.
>> Many people subscribe to the 50/50 rule where you spend half your
>> station
>> budget on antennas and half on the rigs. My own experience is that you
>> should actually put more into your antenna than your rigs.
>
> Is it easier to put up a 10-element Yagi-Uda beam for 160m or to build a
> 20db amplifier?
>>
>> Ask yourself where you want to have a big signal and then build the
>> right
>> antenna for it. For example if you want to kick butt on 80/75 for DX,
>> then
>> put up a four square. This antenna however doesn't put a big signal
>> straight
>> up. If you want a big signal for the locals (NVIS propagation), a low
>> dipole
>> is the way to do it. The same holds true for the higher bands. A stack
>> of 4
>> element StepIRs on a rotating tower (or ring rotors) will give you the
>> ability to adjust the launch angle to get you a bigger signal for DX
>> than
>> just a high antenna. There are times at my station when a low (50 foot
>> high)
>> antenna does better than the high (90 foot high) antenna. The stack lets
>> you
>> optimize the angle you're working as well as the direction. See the HFTA
>> program for more information on that.
>>
>> A station who invests in the optimum antenna will always have a big
>> signal
>> regardless of power. 10 db of antenna gain works on both transmit and
>> receive so it's actually better than having 10 db more output.
>>
>> Good luck and 73,
>>
>> Jerry, K0TV
>>
>> ----- Original Message -----
>> From: "Richard Carey" <rwcarey@gte.net>
>> To: <amps@contesting.com>
>> Sent: Tuesday, May 16, 2006 10:34 AM
>> Subject: [Amps] Henry 8K
>>
>>
>>> I have a Alpha 87A amp. which does a nice job, but am looking for a
>>> Henry 8K Ultra. I thought I would like to put out a really big signal
>>> when the need arises. I have heard the big Henry does have some problem
>>> areas? I would appreciate hearing from any one that could comment on
>>> this, or has had experience with these amps.? Richard KB8OTZ
>>>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>
> R L MEASURES, AG6K. 805-386-3734
> r@somis.org
>
>
>
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