I have a quantity ( more than I'll ever need) of 0444167281 which are 44
mix 0.4" ID x 1.5" snap ons ( new )
http://www.mouser.com/ds/2/150/0444167281-478440.pdf
20 pieces ( minimum ) for $ 25.00 plus actual shipping . contact me
directly if interested.
Jack N8DX
On Sat, Jul 25, 2015 at 7:18 PM, Jim Brown <jim@audiosystemsgroup.com>
wrote:
> On Sat,7/25/2015 3:20 PM, Charles Gallo wrote:
>
>> Jim, the problem around here with wifi is I can count 14 access points in
>> range, so bandwidth is horrible
>>
>> I've found making my own Ethernet cables, each with a type 31 1/2 inch
>> ID, Circa 1/2 long with the 3 or 4 turns I can stuff through works well. My
>> problem is living in Queens (part of NYC) wher the houses are all on 40x100
>> lots, there are a metric ton of RFI sources. I can tell when the neighbors
>> are running their wash, etc. I can't afford $100s of ferrite for every
>> house within say 500 feet, and most would tell me to buzz off, so I live
>> with S7 background noise on some bands. Killing my own stuff helped, as
>> well as the worst of some of the closer neighbors
>>
>
> I know your pain -- I spent 42 years in Chicago mixed residential/light
> industrial neighborhoods before escaping to somewhat rural NorCal 9 years
> ago.
>
> Remember though that you don't need to spend big bucks on ferrite cores to
> choke Ethernet cables for this sort of RFI. Clamp-ons that are 0.5-in i.d.
> are big enough to choke Ethernet cables. Get together with your local hams
> and do a group purchase. #43 mix is less expensive than #31, and all you
> need above 5 MHz. Study the Fair-Rite catalog to find clamp-ons about
> 1-inch long and at least 1/2-in i.d. You'll start getting quantity breaks
> with 100 pieces or more. 3/4-in i.d. cores are a bit more expensive, but
> will handle video cables and many power cables, so you may build more
> quantity that way. My last group buy was for about 1,000 3.4-in i.d. #31
> cores. We paid $2.30 plus tax and shipping. That was more than a year ago.
>
> Try Dexter Magnetics near Chicago.
>
> 73, Jim K9YC
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