[Elecraft] Wish I had a KAT1500

[Victor Rosenthal 4X6GP]

I would worry about exceeding voltage ratings on capacitors even if it 
was pre-tuned. I believe in judiciously exceeding ratings of 
conservatively rated devices, but this doesn't seem "judicious!"

73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/

On 27/11/2018 21:53, Bill Johnson wrote:
> If you manually tune at low power first, then there should rarely be
> an  issue.  Frequency hopping with the segments memorized should
> yield good results as well.  If there are changes in the antenna due
> to wind, moisture, reaction to other materials, etc., then one can
> expect the tuning to need adjustment even if recently tuned.
> 
> As you probably know, there is more to tuning than just an SWR
> reading. I do not hesitate running my KPA1500 into 1.7 to 1 as
> indicated on my W2 without retuning.
> 
> 73, Bill K9YEQ
> 
> https://wrj-tech.com/
> 
> -----Original Message----- From: elecraft-bounces at mailman.qth.net
> <elecraft-bounces at mailman.qth.net> On Behalf Of Victor Rosenthal
> 4X6GP Sent: Tuesday, November 27, 2018 1:43 PM To:
> donwilh at embarqmail.com; Elecraft Reflector
> <elecraft at mailman.qth.net> Subject: Re: [Elecraft] Wish I had a
> KAT1500
> 
> My somewhat unique antenna system presents SWRs up to about 8:1 on
> some bands, so this would be kind of limiting.
> 
> 73, Victor, 4X6GP Rehovot, Israel Formerly K2VCO CWops no. 5 
> http://www.qsl.net/k2vco/ On 27/11/2018 18:39, Don Wilhelm wrote:
>> Vic,
>> 
>> From what I have heard, the KAT500 will handle 1500 watts, but at
>> an SWR of only 3:1 - that is the same as the ATU in the KPA1500 can
>> handle. At lower power (its rated power of 500 watts) the KPA500
>> will tune a 10:1 SWR.
>> 
>> 73, Don W3FPR
>> 
>> On 11/27/2018 10:32 AM, Victor Rosenthal 4X6GP wrote:
>>> I am using an older Palstar AT-Auto automatic tuner. It has a
>>> coil and capacitor operated by stepper motors. When it works,
>>> it's fine; but it requires a lot of maintenance and fiddling.
>>> What I need is something that works as well as the KAT3 in my K3;
>>> quick, trouble-free, and good for a 10:1 SWR on HF.
>>> 
>>> Oh yes, it has to handle 1.5 kW, too.
>>> 
>>> If Elecraft would beef up the KAT500 to meet the above specs, I'd
>>> buy one.