Topband: Magnetic Dip Angle

Andy Blank andyn2nt at gmail.com
Mon Jan 20 13:48:11 EST 2025


Hi Kenny

I have a similar situation at V47T.
The QTH is at the edge of an 1100 ft hill, sloping down around 30degs or
more to the Atlantic.

I have tried every kind of 160 antenna over the years. Finally settling on
a horizontal dipole at 50ft right at the edge of the hill.
It works great. The verticals (Inv L, Tee, C's, slopers) all performed
about the same; just OK.
The dipole doesn't need radials, a big plus for me.
I use beverages for RX so that is not an issue.

That said, there is no substitute for a vertical on the beach.
You are the master of those!
As you know, the proximity to salt water really makes a huge difference on
Topband.

GL!

73, Andy N2NT

On Mon, Jan 20, 2025 at 12:53 PM Kenny Silverman <kenny.k2kw at gmail.com>
wrote:

> I’m scouting locations for a low-band trip and I found an interesting
> entity that has a dip angle of 30 degrees.
>
> In this example, there’s a high hill overlooking the ocean, another place
> right on the beach.   With the low dip angle, does it make sense to go
> horizontal if the horizontal polarized antenna takeoff angle is low enough?
>
> 73 , Kenny K2KW
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