[Elecraft] K2 receiver sensitivity on 12 and 10 Meters

[Matt VK2RQ]

If you are hearing a reasonable increase in atmospheric static noise when connecting an antenna on 12/10m, then any further increase in sensitivity is wasted and not making efficient use of the receiver's available dynamic range.

73,
Matt VK2RQ

> On 6 Nov 2014, at 8:41 am, Hans J Rasmusen OZ7BQ <oz7bq at yahoo.dk> wrote:
> 
> My K2 (ser 04069) appears to lack a bit of receiver sensitivity on 12 and 10 Meters. I can hear stations and the static noise when the antenna is connected, only weaker than on other bands. 
> I have full TX power output on both bands, so the filters appears to be tuned correctly.I only noticed the apparent lower sensitivity on 12 and 10 Meters after adding a KX3 to the station.My plan is to rig the K2 up as second receiver for split operation on a special RX antenna using the K2 Rcvr Antenna module.
> If the apparent lower sensitivity on 12 and 10 Meters is normal, so be it. However, I wonder if any one has made the same observations and found a solution.
> 
> Thank you in advance.73 Hans Jørgen (Joe)  OZ7BQ
> 
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