[Elecraft] KX3 AM-breakthrough

[Matt Zilmer]

Setting RX SHFT = 8.0 solves this problem.

73,
matt W6NIA

On Mon, 29 Jul 2013 14:35:16 +0200, you wrote:

>Hi Klaus,
>
>my KX3 has sometimes also strong AM-Breakthrough. It is very annoying :-(
>
>73 de Uwe, DL4AC
>Am 29.07.2013 11:50 schrieb "Klaus Dittrich" <kladit at arcor.de>:
>
>>
>> My KX3 when driven by a allband shortwave antenna
>> shows am-breakthough at all bands above 30M
>> depending on conditions.
>>
>> The source are far shortwave broadcast stations
>> (relative to Germany),
>> Iran, Pakistan, India and sometimes Deutsche Welle.
>>
>>
>> The stations hearable then are different each time
>> and very loud, S4 to S5, and so disturbing that working
>> in cw is impossible for me.
>>
>> The antenna I use is an asymmetrical dipole(30m/40m long), tuned
>> at the feedpoint by an SGV-230 autotuner and works well at all bands from
>> 160m to 6m.
>>
>> The KX3 is designed as a portable trx. Outdoors people
>> will use the long antennas which they have no room for at
>> home.
>>
>> It seems the KX3-RX can not withstand the rf-levels
>> delivered by such long antennas.
>>
>> ARLL and Sherweng measurents do not capture the situation
>> thus showing that measurements at best always do picture
>> only a part of reality.
>>
>> Is Elecraft working at this problem and is there a solution
>> at the horizon?
>>
>> --
>> 73, Klaus DF1TL
>>
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