[Elecraft] Problems with a 2m module on my KX3

[Jack F6AJW]

Typo: 9+15!  Sorry!

Jacques F6AJW/IN93EK

Le 08/11/2014 21:15, Jack F6AJW a écrit :
> Hello Matt and all,
>
> In fact, I performed my first tests using only a 144 MHz SMA whip 
> antenna directy on my KX3 and it was not a good idea at all (high SWR, 
> too close from KX3?)! Today, I put my KX3 +2m on a dummy load and it 
> was far better this way but I still have birdies especially near 
> 144.300 and 385 (not checked else where yet) and as my main interest 
> is weak signal this is not good for me. I found that power was only 2 
> Watts using my Bird 43 and 5W / 100 to 250 MHz slug; it is a bit low. 
> I managed to make a QSO with a guy about 40km away using a 3 el. Beam 
> on my balcony (good location here close to the Atlantic ocean) , 
> starting with my IC-910H and then switching to KX2+2m. I got good 
> audio quality report in SSB. S-meter indication was low (about S9 
> compared to 9+&( on my IC-910H without amplifier. I put Preamp in 
> service but may be I could put some extra gain in the RX chain. KX3 is 
> "leaking a bit" as I could hear it on my IC-910H; useful in order to 
> put both transceiver on the same frequency ;-)
>
> Tomorrow I will leave my vacation house in SW of France and move to 
> Paris for a few months there so I need to stop my tests on KX3 + 2m 
> for the moment. May be I will use it in Paris with a more decent 
> antenna that whip I used first (in fact I would need a ground plane 
> attached to KX3). I am affraid I will not manage to use KX3+2m the way 
> I did long time ago with my IC-202 and internal whip antenna!?
>
> Any commentary or experience?
>
> 73's.
>
> Jacques F6AJW/IN93EK
>
>
>
>  Le 08/11/2014 00:50, Matt VK2RQ a écrit :
>> The description below is a little vague, so hard to really comment.
>>
>> - birdies: do you observe these with no antenna connected to the 2m 
>> SMA socket? On which frequencies? Is it consistent?
>>
>> - instabilities: what exactly do you observe when you encounter one 
>> of these "instabilities"?
>>
>> - microphone effects: I guess you probably don't mean microphonics. 
>> Maybe you mean some sort of RF pick by the microphone? Do you observe 
>> "microphone effects" when transmitting into a dummy load?
>>
>> 73, Matt VK2RQ
>>
>>> On 8 Nov 2014, at 9:17 am, Jack F6AJW <jack.f6ajw at gmail.com> wrote:
>>>
>>> Hello Elecrafters!
>>>
>>> I am not too happy with a 2m module I have just installed on my KX3: 
>>> lot of birdies, instabilities, microphone effects.
>>>
>>> Any idea? Thanks in anticipation, 73's.
>>>
>>> Jacques F6AJW
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>