[ARC5] Selectivity and the BC-455

[Joel R Roberts]

I wish I had had that article and the ones from earlier in the summer 
discussing the adapter boxes for the front compartment of the Command 
Receivers, but that was all prior to my subscribing to ER.. Alas, no 
cash to order the reprints. I will have to wait until I am back to work 
on a full time basis....73's,,,Joel   KB0FPT
On 10/23/2014 4:25 PM, DSP3 wrote:
> Gents,
>
> If I may say without seeming to toot a horn I just blew into..... The 
> ER Article I did a few months ago on the R-26 and the BC-454 
> selectivity mod, I just did another R27 and it really did improve 
> things, a lot.  I have not done the quantitative measurements, yet, 
> but I can say that the 40 meter band does sound a lot better.  Along 
> with a non-destructive bracke- mounted Jackson drive, its a pleasure 
> to tune, now.  Just a couple of thoughts.....
>
> Jeep - K3HVG
>
>
>
> On 10/23/2014 4:05 PM, Kenneth G. Gordon wrote:
>> RE: our discussion a bit ago concerning the almost non-existent 
>> selectivity of
>> the BC-455 and/or R-27/ARC-5, and the article in ER on using the 
>> "Q-5er" to
>> help that.
>>
>> In doodling around on the internet the other day, I happened to find 
>> this
>> video on youtube:
>>
>> https://www.youtube.com/watch?v=XlrPCR1IKlo
>>
>> To say I was more than a little surprised would be an understatement.
>>
>> There is something about this fellow which is familiar, but I can't 
>> put my
>> finger on it. I am almost certain I have seen him in the flesh...
>>
>> Anyway, he adds a simple crystal-filter to the BC-455 in an old IF 
>> can. What
>> it does for the selectivity needs to be heard to be believed.
>>
>> I would never have thought of this.
>>
>> Ken W7EKB
>>
>
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