[Elecraft] Keyboard RF Interference

Grant Youngman nq5t at tx.rr.com
Mon Feb 22 12:24:07 EST 2016


Thanks ... I'll give one a try

Grant NQ5T

Sent from my iPhone

> On Feb 22, 2016, at 10:24 AM, Ron D'Eau Claire <ron at cobi.biz> wrote:
> 
> How about a wireless (not Bluetooth) keyboard, especially since they apparently only "come alive" when a key is pressed and there's no cables, etc. 
> 
> I have an Anker A7723 2.4G that, IIRC, cost me about $20 that I use with my P3. 
> 
> Out of curiosity, I turned it on, wrapped wire around it and connected it to the antenna terminal on my KX3. It was just enough antenna to bring WWV in weakly on 10 MHz and the noise background was just perceptibly higher than with no wire attached to the antenna term. It still didn't register on the S-meter. 
> 
> Pressing keys did not produce a rise in background noise on any band from 160-6 meters.
> 
> 73, Ron AC7AC
> 
> 
> 
> -----
> 
> Can anyone suggest a COMPACT keyboard used with a KX3/PX3 in a “near antenna” portable environment that you have found to be clean of RF hash?
> 
> 


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