[Elecraft] Dish/Direct TV RFI?

[Bob Nielsen]

This is getting a bit off-topic, but Directv has larger hard drives and 
even add-on extenders up to 4 TB,  as well as a dedicated 4K channel 
plus on-demand 4K. need a DVR server plus a 4K client box.

Bob. N7XY


On 3/15/18 9:26 AM, Jim Low man wrote:
> I’m wondering how much worse the problem will be as DirecTV goes to this new technology that’s being advertised on TV-something about a wireless receiver.  I’ll have to pay more attention.  It sounds like something that the girlfriend may want to wait for.  Right now her equipment is first-generation, and she would like to have a DVR with larger capacity and a 4K-capable receiver for whenever that becomes available.
>
> 72/73 de Jim-AD6CW
>
>> On Mar 15, 2018, at 8:24 AM, John Huggins, kx4o <kx4o at hamradio.me> wrote:
>>
>> You are, of course, absolutely correct Jim. Know that one model of the sat
>> receiver uses an RF remote of some sort that many think is the culprit.
>>
>> Sadly the response from the, understandably RF clueless, sat help lines is
>> kind of like going to a doctor with the plea "it hurts to do this" and
>> response of "well don't do that."
>>
>> I suspect nothing will change much until a 40m signal affects the sat
>> systems of the ham's neighbors resulting in a Part 15/97 brawl.
>>
>>> On Wed, March 14, 2018 22:47, Jim Brown wrote:
>>> Problems like this are the result of design defects in the cable modem.
>>> It should be possible to solve problems of this sort by winding multiple
>>> turns of both the coax and the power cable #31 or #43 Fair-Rite toroids.
>>> See
>>>
>>> http://k9yc.com/KillingReceiveNoise.pdf
>>>
>>> for part numbers and guidelines for winding. While the app note discusses
>>> RX noise radiated from gear like this, the cures are the same
>>> for both.
>>>
>>> AND -- because it's the result of a defective modem (i.e. a bad design),
>>> ALWAYS call the vendor and tell them to fix it.
>>>
>>> 73, Jim K9YC
>>
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