I'd be interested to know how you make the joints, then add joints to joints, then...doesn't it get a bit lumpy? Do you solder or crimp or nuts and bolts, joints in three at a time...?
David G3UNA > On 12/11/2022 16:41 Grant Saviers <gran...@pacbell.net> wrote: > > > The 34 ohms is the sum of Rr (antenna radiation Z over perfect ground) > and Rg (ground R loss). Rr depends on the dimensions of the L plus a > bit of wire loss. My guess is Rr is about 10 ohms less than 34 ohms, > some easy modeling will determine it. > > Then it is a question of what antenna efficiency you want vs cost and > time for more radials. If 10 ohms is Rg, then about 1/3 of the TX power > is warming the worms. > > Grant KZ1W > > On 11/12/2022 07:31, ws6x....@gmail.com wrote: > > In my experience here in "ROCK"ingham County, I didn't reach the point of > > diminishing returns until around 32 radials of varying lengths (Most were > > either 50 or 100' long.). Much would depend on length, configuration, > > terrain and ground conductivity. > > Jim - WS6X > > > > -----Original Message----- > > From: Topband <topband-bounces+ws6x.ars=gmail....@contesting.com> On Behalf > > Of Pete Smith N4ZR > > Sent: Monday, November 7, 2022 4:27 PM > > To: topband reflector <Topband@contesting.com> > > Subject: Topband: How good is good enough > > > > Now that the lawn mowing is done for the season, I resuscitated my 160M > > inverted L. With 13 on the ground radials, each roughly 70 feet long, > > measured R of 34 ohms seems OK to me. Is it worth laying down more > > radials, or am I approaching diminishing returns? > > -- > > 73, Pete N4ZR > > > > > > _________________ > > 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