[Elecraft] "ant err pr flt" error message?? also antenna adjacency problem??

[Fred Jensen]

On 4/15/2014 6:33 AM, Julie Royster wrote:
	
> QUESTION 1:  The KX3 has been using an inverted V wire antenna.  At its
> closest point to a vertical antenna for our K3 they are about 30 feet apart.
> Is this too close?

Probably.  Conductors in the near field of an antenna essentially become 
part of the antenna, like parasitic elements an in a yagi, and can carry 
a major fraction of the power delivered to the antenna.  30 feet is 1/4 
wave at 40 meters.

> How far away would be far enough if K3 operator were
> using 450 watts?

It depends on frequency and size of the antennae, and to some extent 
orientation of the two, however polarization in the near field isn't a 
huge factor.  Several wavelengths is probably a good place to start.
>
> QUESTION 2:  I just set the KX3 back up with KXPA100.  When Larry
> transmitted at 5 watts all was OK but when he transmitted at 40 watts it
> said "ANT ERR"  at the top of the screen and "PR FLT" at the bottom.
> I checked the connections.  I checked the SWR of the antenna with a SWR
> meter.  What do these messages mean (as they are not described in the
> manual)?
> Could these messages have to do with the KXPA100?

Don't know, don't have a KX3 or KXPA100.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2014 Cal QSO Party 4-5 Oct 2014
- www.cqp.org