I asked about the land dimensions and orientation mostly for determining what his receiving antenna options are.
73 Mike W0BTU On Fri, Mar 25, 2022, 1:43 PM Charlie <[email protected]> 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 <[email protected]> > 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 <[email protected]> > 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. > >>> > >> _________________ > >> Searchable Archives: http://www.contesting.com/_topband - Topband > Reflector > > > >_________________ > >Searchable Archives: http://www.contesting.com/_topband - Topband > Reflector > _________________ > Searchable Archives: http://www.contesting.com/_topband - Topband > Reflector > _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
