Sorry, typo. Putting up antennas at PJ4K.
On March 25, 2022 2:43:04 PM AST, Charlie <k1xx@k1xx.com> wrote:
>Sorry folks, I don't totally agree. Granted, this may be a bit of semantics.
>But, for the last 3 or 4 years we've used what's known as a Double L on 160
>at PJ4K. The top's about 130 feet with the vertical section running down to
>30 feet. The feed points at about 85 feet which is a bit of a PITA for making
>measurements. Is half of this bent 1/2-wave dipole the great ground system?
>You guys can argue the point.
>
>However, this is a very effective transmitting antenna. So good, in fact,
>that we just finished phasing a second identical Double L with the first one.
>
>I do agree that you can't work 'em without hearing them. Hence the reason for
>our pair of w1fv circular arrays.
>
>73 Charlie, k1xx current putting up antennas at PJ4A
>
>
>On March 25, 2022 2:16:09 PM AST, Jim Brown <jim@audiosystemsgroup.com> wrote:
>>YES! This is VERY important advice, trumps all else.
>>
>>And I echo those who have advised to build one vertical radiator with an
>>excellent radial system, and the best RX antenna system that will fit on
>>your property. Most of the arrays others have suggested are not
>>practical on five acres, if for no other reason that a GREAT radial
>>system for each element is critical.
>>
>>73, Jim K9YC
>>
>>On 3/25/2022 10:19 AM, Mike Waters wrote:
>>> This is a great piece of advice!!! I would add: check those QRN levels at
>>> various times and on different days.
>>>
>>> 73 Mike
>>> W0BTU
>>>
>>> On Fri, Mar 25, 2022, 10:01 AM Fred Kleber <kleberf@bellsouth.net> wrote:
>>>
>>>>
>>>> ... before you even make an offer on a piece of property, go there with a
>>>> mobile receiver and check to see what the ambient QRM level is. We have
>>>> already read in this group about this very subject from a ham that is
>>>> unable to use 160m due to the QRM from pot house grow lights some 3/4 miles
>>>> away. LED lighting is a well known source of QRM.
>>>>
>>>> Certain types of TVs and even solar power inverters can cause horrendous
>>>> amounts of QRM which can render top band useless. It is interesting to
>>>> note that there are no FCC spurious emissions requirements for solar power
>>>> equipment.
>>>>
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>>
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