On Tue, 29 Jan 2019 21:29:20 +0100
Achim Gratz wrote:
> Typically if they already have a ground plane mounted it's between
> 6cm…10cm in diameter (or side length if quadratic). Over that size you
> shouldn't see much effect anymore on the antenna sensitivity pattern,
There is quite a big differ
I don't know if that Chinese multi-band antenna needs a ground plane/pizza pan.
My antenna mount tripod has one handy, so I am using it.My first tests
were without the pan and I didn't notice any before/after differences but did
not do any extensive testing. The CSRS-PPP position error ell
On Wed, Jan 30, 2019 at 1:00 PM Bob kb8tq wrote:
> Hi
>
> The thing I’m not quite understanding here - why in the world use an
> antenna that needs
> a ground plane when you can get one that does not need an external ground
> plane?
>
>
What can I say, that antenna was $5.45, locally picked up fr
Hi
The thing I’m not quite understanding here - why in the world use an antenna
that needs
a ground plane when you can get one that does not need an external ground
plane?
I have three multi band GNSS antennas on the back of the house. They all get
down to
insane error circles (like a mm)
Denny Page via time-nuts writes:
> Thanks Mark. For the cost, this seems like a worthwhile thing to
> try. I don’t think the homeowners association would be too thrilled
> about a pizza pan on a pole so I’ll probably have to do without.
Use a resonant ground plane with four or eight tuned radials
Hi
Wind load is not a good thing when you are putting things way up in the air on
poles. Survival will
be much more likely if you don’t have to attach a great big sail to the antenna
….
Bob
> On Jan 30, 2019, at 11:38 AM, Denny Page via time-nuts
> wrote:
>
> Thanks Mark. For the cost, thi
Just tell your neighbors that you "cut the cord" and it is a new fangled
miracle "Digital" amplified UHF TV antenna. Any outside TV antenna falls
under the FCC OTARD exceptions, and your homeowners association can't do
a thing about it. :)
John
On 1/30/2019 9:38 AM, Denny Page via time-nuts w
On 1/30/19 8:38 AM, Denny Page via time-nuts wrote:
Thanks Mark. For the cost, this seems like a worthwhile thing to try. I don’t
think the homeowners association would be too thrilled about a pizza pan on a
pole so I’ll probably have to do without.
Besides, If I mounted a pizza pan I would al
Put a "Bird Feeder" on the side of the house.
Even only seeing less than 1/2 the sky, this is doing OK with just a
TruePosition L1 GPS, always 7-8 sats. I have room for two antennas on the
ground plane, only have one and am using an HP 58515A active splitter.
Hopefully the attachment comes throug
Thanks Mark. For the cost, this seems like a worthwhile thing to try. I don’t
think the homeowners association would be too thrilled about a pizza pan on a
pole so I’ll probably have to do without.
Besides, If I mounted a pizza pan I would also endure endless teasing from from
my wife who alrea
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