Topband: WATCH OUT !!Did you get a new cable modem from Comcast? Arris Modem equal lots of QRM

[Nick Hall-Patch]

Jameco continues to sell linear wall warts, if you want them new.

best wishes,

Nick
VE7DXR

At 05:26 24-10-14, you wrote:
>On 10/23/2014 3:33 PM, JC wrote:
>>So watch out  is you have Comcast cable modem, it is necessary to choke the
>>cable and the AC cord with FT240 # 31. With this fix ,the noise dropped from
>>s8 to s0 but still audible at Doug receiver.
>
>By now this should be "Ham Radio 101"  -- that is, assume that 
>EVERYTHING with a digital clock, and EVERY switching power supply is 
>a noise source, and be prepared to choke them using my RFI tutorial 
>as a starting point. It's also a VERY good move to replace all 
>switching power supplies with a linear supply, or even a linear 
>supply float charging a battery. I'm doing exactly that with cable 
>modem, WiFi Router, CATV box, Internet "radio," etc. In most cities, 
>it's possible to find linear wall warts at second hand stores for a 
>buck or less, and I also buy them at ham flea markets.
>
>And all the gear in my shack (except for computers and power amp), 
>run off my small solar system.
>
>73, Jim K9YC
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