On Sat, 24 Mar 2012 01:14:19 +1100 Erik Christiansen <dva...@internode.on.net> wrote:
> On 23.03.12 15:24, Viesturs Lācis wrote: > > The thing is that there is a hill with trees on one side of the > > house. It is very nice, because to large extent it protects the > > house from western winds (statistically wind from west is most > > common in LV, as it blows from sea/ocean to continental inlands), > > but it is exactly on the transmitter - house roof path. The > > remaining 3 sides of the yard are open in terms of hills, trees etc. > > That hill and its trees are casting a signal shadow. Do you have a > friend living on the top or side of the hill? Radio amateurs have > sometimes made a "passive repeater" by cabling two Yagi antennas > back-to-back, and mounting them on a pole (or two) on top of the > offending hill, one pointed at the transmitter, and one pointed at the > receiver. I don't have first hand experience of how much they help, > but it would be interesting to try. > > As explained by others, high-gain antennas will work best, but need to > be fairly well aimed at both targets. > > The set-up might bend local regulations, since it's re-radiating the > TV signal, but since the only measurable outcome is an improved TV > signal behind the hill (at least around your house), it could be > worth trying, especially if the hill is fairly close, and you're in a > rural setting where there are few neighbours to notice. > > Erik Since it is passive I'm not certain it breaks any regs. Besides what proportion of the population would recognize one if they saw it? Dave > ------------------------------------------------------------------------------ This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
