Hello to the Group,

While looking up information on the 2-NB for Ken, I found this sheet on noise 
blanker operation.  This was written for the R-4A noise blanker, but someone 
wrote 2-NB on the sheet, so .......  This was written back in March of 1967, 
most likely by an engineer for the service department, but not for me, as I was 
on the R-4A production line as a tester.

73, Bill




From: Eric Webner <[email protected]>
To: Charles Ring <[email protected]> 
Cc: Drake List <[email protected]> 
Sent: Monday, April 15, 2013 3:10 PM
Subject: Re: [Drakelist] Drake 2-C noise blanker
 


Charles,
A large part of it depends on whether your 2-C suffers from the type of noise 
(pulse type) that the noise blanker can help with. I have bad power line noise 
at my QTH that a blanker won't touch. 


73,
Eric Webner K4FAN
The DStar FAN Club

On Apr 15, 2013 3:04 PM, "Charles Ring" <[email protected]> wrote:

Is a schematic and parts list available for the 2NB? Any possibility of 
duplicating it? How well does it work, in other words would it be worth the 
effort?
>.
>73 de W3NU
>
>
>
>
>On 4/15/2013 0942, Ronald Baker wrote:
>
>I have pictures of the 2C and all the accessories on my Drake Website.
>>Here is the link to that page:
>> 
>>http://www.wb4hfn.com/DRAKE/DrakeEquipmentPictures/Equip_2C.htm
>> 
>>Maybe once a year you may see the 2NB noise blanker listed on eBay, but they 
>>are very rare.
>> 
>>The one’s I have seen sold on ebay range from $100 to $140.
>> 
>>73,  Ron / WB4HFN
>> 
>> 
>> 
>>Sent from my old computer that I purchased new before the Dead Sea got sick.
>> 
>> 
>>From:[email protected] [mailto:[email protected]] 
>>On Behalf Of Bill Frost
>>Sent: Monday, April 15, 2013 7:42 AM
>>To: Drake List
>>Subject: Re: [Drakelist] Drake 2-C Question
>> 
>>Hello Ken,
>> 
>>The 2-NB noise blanker, for the 2-C receiver, originally sold for around 
>>$27.00 and was a plug in option.  If you Google Drake 2-NB you should get a 
>>link to Universal Radio site with a picture and description of the 2-NB.  
>>There were not to many manufactured, so they are quite rare.
>> 
>>73, Bill wd8dfp
>>
>>________________________________
>>
>
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