Re: KX3 vs. K3 and other rigs?
Posted by
Dave KQ3T on
Jun 06, 2011; 1:40pm
URL: http://elecraft.85.s1.nabble.com/KX3-vs-K3-and-other-rigs-tp6443819p6445165.html
Here are a couple of additional factors to consider.
1. Increasing the output power to 20 or 30 watts would have an impact on
either the weight of the KX3 (more batteries needed to maintain a
desired battery life) or the battery life (the existing batteries would
not last as long at the higher power level).
2. It is much easier to add an external power amplifier, if desired,
than to significantly improve receiver performance at a later date.
73,
Dave, KQ3T
On 6/6/2011 12:25 AM, juergen wrote:
> Hi Kristinn
>
> What i dont get is why people expect so much performance from a
> so called portable rig. A rig designed for portable operation generally uses poor antennas and is optimized for weight, size and battery life.
>
> While its nice having great receiver specifications, you do have to be realistic about the real world requirements that is placed on the receiver when operating portable.
>
> For me battery life, convenience and power output are very important requirements rather than world beating receiver specifications.
> I would gladly have 30 watts output over ultimate receiver performance. Most military manpacks run 20 to 30 watts for good reasons.
>
> 10 watts and a wire in the tree type of operation does not demand a receiver with 100db of IMD dynamic range.
>
> If the KX3 does deliver incredible receiver performance for a bargain price I wont say NO, however I can live with lesser receiver performance when operating with marginal antennas.
>
> What I would prefer to see is an antenna tuner that will tune a 9 to 13 ft whip on all bands, or alternatively a end fed wire on all bands. A low noise figure receiver is important when using short portable antennas.
>
> We all waiting for the KX3 tech specs with baited breath. Time will tell whether we will get a 10,000 dollar contest radio that fits into the palm of your hand! After all my years of operating, I have yet to have my DC receiver overload on 40 meters when operating portable with full size low dipoles.
>
> 73
> John
>
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