With my Palstar it memorizes frequencies via a freq counter and
automatically tunes to the correct settings. I 'calibrated' it by doing
lower, mid and high for each band. That works out fine.
On 4/29/12 11:29 PM, Roger (K8RI) wrote:
> On 4/30/2012 1:22 AM, W2XJ wrote:
>> That is why a good automatic antenna tuner should be used.
> Agreed, but even then it takes a very good as well as fast tuner at
> reduced power at least to begin.
> It's better to to have an auto tuner that can be set up using an antenna
> analyzer. It remembers the settings for the frequency so when you
> change bands it reads the frequency the for the VFO and automatically
> sets the tuner so the first time the amp sees power it also sees a less
> than 1.1:1 SWR.
>
> 73
>
> Roger (K8RI)
>
>> On 4/29/12 8:37 PM, Roger (K8RI) wrote:
>>> The SS amp would let me cover the whole band without retuning, but it
>>> would roll back the output power as the SWR went up. The tube amp does
>>> not roll back the output. IIRC the SS amp was down about 200 watts at
>>> 1.2:1. It's been a couple of years. 73 Roger (K8RI)
>>>
>>> _
>> _______________________________________________
>> 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
>
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|