[600MRG] Noise phaser update

Brian Pease bpease2 at myfairpoint.net
Wed Feb 10 13:38:56 EST 2021


The link worked for me and brought up the schematic image in Firefox on W10.

On 2/10/2021 12:51 PM, Edward R Cole wrote:
> Can't open that link:
>
>
>   *There are no results for
>   https://lh3.googleusercontent.com/proxy/JwfKtJC5dkzMr3y0y4Nczeavhv5m4l_yj3J9I-yiOtGRAnZiqzQt4lhaRn2Ye0-nTAoCf8_ht7615IYlADa8Wmn0Y-czjUNk4UClsdi4NIjK7hi4jNyb4Qoc_I7hBU2NDOr0DfZc7g*
>
>
>   * Check your spelling or try different keywords
>
> have another link?  I would like to look at this maybe using a loop 
> antenna with my Tee.
>
> 73, Ed - KL7UW
>
> At 06:31 AM 2/10/2021, Dave Riley via 600MRG wrote:
>> For those who are drenched in QRN, here is an updated and simplified 
>> twist of Dallas Lankford's phaser by N1KPR..
>>
>> https://lh3.googleusercontent.com/proxy/JwfKtJC5dkzMr3y0y4Nczeavhv5m4l_yj3J9I-yiOtGRAnZiqzQt4lhaRn2Ye0-nTAoCf8_ht7615IYlADa8Wmn0Y-czjUNk4UClsdi4NIjK7hi4jNyb4Qoc_I7hBU2NDOr0DfZc7g 
>> <https://lh3.googleusercontent.com/proxy/JwfKtJC5dkzMr3y0y4Nczeavhv5m4l_yj3J9I-yiOtGRAnZiqzQt4lhaRn2Ye0-nTAoCf8_ht7615IYlADa8Wmn0Y-czjUNk4UClsdi4NIjK7hi4jNyb4Qoc_I7hBU2NDOr0DfZc7g> 
>>
>>
>> I find that 490 / 518 / and 531 khz sigs most useful from the east 
>> coast.. First two are Navtex and 531 AM station is either Faroe 
>> Islands or the Iberian peninsular..
>> The north Atlantic 490 Navtex does not conform to known schedule... 
>> Easy to see that they are generally northeast..
>>
>> #1 antenna here is a 400' vertical loop
>> #2 ( noise ) antenna is a 300' loop on ground directly beneath the 
>> vertical loop..
>>
>> Also, when 531 AM station starts popping up is good propagation 
>> indicator... Usually gets to 25 dbm above noise and ZERO with phase 
>> switched..
>>
>> The phase reversal switch is from the loop on ground.. Tune for 
>> minimal sigs on known carrier, flip switch and see up to 20db ( so 
>> far ) from here...
>>
>>
>>
>>
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>
> 73, Ed - KL7UW
> http://www.kl7uw.com
> <http://www.kl7uw.com/>Dubus-NA Business mail:
>   dubususa at gmail.com
>
>
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