Topband: N5J Live Stream?
Mike Fatchett W0MU
w0mu at w0mu.com
Sun Aug 11 20:16:11 EDT 2024
I heard you guy very early probably right at your Sunset, but could not
make a contact till about an hour later. Where there was a nice peak
where you stayed for a very long time. Thanks for everything!
W0MU
On 8/11/2024 1:50 PM, GEORGE WALLNER wrote:
> Wes,
> We are using EU22i generators, which are the newer version of the
> EU2000. You can only hear their noise in a quite place, Also, we are
> running three of them paralleled and their noise adds up because they
> are synchronized. Anyway, using a bunch of chokes and additional
> grounding, we got the noise on 160 m down to an acceptable level.
> Also, we now have a well situated DHDL RX antenna that is pointed
> towards NA . Last night had no problem copying NA.
>
> TKS for all the suggestions.
> GL and 73,
> George
>
>
> On Sat, 10 Aug 2024 21:51:45 +0000 (UTC) Wes Stewart wrote:
>>
>>
>> George,
>>
>> I'm not being critical, just curious, I don't have a lot of
>> experience, but I've used my EU2000 for a couple of Field Days and
>> from a lot of RV sites and have never even tried to ground the
>> thing. I park it 50-75 feet away, run an extension cord to the
>> equipment and have at it. Of course I've never been on a quiet island
>> but I've not had issue.
>>
>> Also, you've done this before from Samoa and other places (200K QSOs
>> I believe) have you not seen this before? What is different this time?
>>
>> Wes N7WS
>>
>> On Saturday,
>> August 10, 2024 at 12:03:21 PM MST, GEORGE WALLNER
>> <aa7jv at atlanticbb.net> wrote:
>> Jim,
>> We are using all of the cores you have given me. They help, but it is
>> hard to get a good ground at the top-end of the beach where the sand
>> is very dry and rocks prevent rods getting driven deep enough to
>> reach moist ground. Yesterday, a bit desperate, ran a 70 foot long
>> GND wire to water, but I doubt it is doing much good. We got chokes
>> on most coax and control cables but without good GND their effect is
>> limited.
>>
>> Using a single #31 2" core, how many turns of RG-6 do you think will
>> give decent choking effect? (I know, it depends on the GND and other
>> loading factors.)
>> TKS for all the ferrite cores! Will let you know if we need more!
>>
>> GW
>>
>>
>>
>> On Sat, 10 Aug 2024 11:48:34 -0700 Jim Brown wrote:
>>> Hi George,
>>>
>>> Remind me where to send you more cores for your next trip. :)
>>>
>>> In the meantime, try grounding the generator chassis (and/or
>>> grounding pin) to a driven rod (or to screen/radials if you can't
>>> drive a rod). I've seen reports that this can be effective with some
>>> generators on some bands.
>>>
>>> 73, Jim K9YC
>>>
>>>
>>>> Set up a DHDL RX antenna yesterday but it was picking up generator
>>>> noise. Will move it today to reduce noise.
>>>
>>>
>>
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