Topband: Topband resource

W0MU Mike Fatchett w0mu at w0mu.com
Wed Jan 15 12:53:32 EST 2020


I was only really able to work Carib/CA/SA with my inverted v at 70 ft.  
With the inverted L I get our far better.  I am a very long way from any 
salt water in any direction.

W0MU

On 1/15/2020 9:17 AM, donovanf at starpower.net wrote:
> Roger has 27 topband QSOs in my log since February 1993,
> well done!
>
>
> Its interesting how our transmitting antenna experiences are exactly
> opposite on both 160 and 80 meters. I've had little success with
> 160 meter horizontal dipoles 100 to 200 feet high compared to
> my 4-square vertical array which always perform superbly.
>
>
> I use only vertically polarized antennas f or topband receiving ,
> a 350 foot diameter W8JI/W5ZN/N4HY passive 8-circle array,
> 580 foot Beverages and my transmitting 4-square array. All
> receive 6 to 10 dB better for DX than horizontal dipoles at my QTH.
> Many easily copied DX signals on the verticals are completely
> inaudible on the horizontal dipoles.
>
>
>
> On 80 meters I use only horizontally polarized 2 element quads
> 170 feet high for transmitting which are far superior to any verticals
> I've tried although I've never tried anything more sophisticated than
> a 4-square transmitting array.
>
>
> My 80 meter quads perform very well as receiving antennas, on
> some -- but not all -- very weak signals they outperform the
> 175 foot diameter passive 8-circle array and 580 foot Beverages.
>
>
> You can never have too many antennas...
> Unless they interfere with each other, a non-trivial issue.
>
>
> 73
> Frank
> W3LPL
>
> ----- Original Message -----
>
> From: "Roger Kennedy" <roger at wessexproductions.co.uk>
> To: topband at contesting.com
> Sent: Tuesday, January 14, 2020 10:48:51 PM
> Subject: Topband: Topband resource
>
>
> "However, 160 needs vertical polarization for consistent long DX."
>
> So how is it that I consistently work all over the world on 160m with my
> horizontal dipole at 50ft?! (and my signals seem to often be pretty
> comparable with other Brits using verticals}
>
> You certainly need a Vertical to work DX on 80m . . . but in my experience
> 160m propagation is very different . . . I'm guessing it's often quite high
> angle due to multi-hop or ducting.
>
> Also, I don't understand why on the Web page they are talking about NA
> stations coming on Top Band at 1730 UTC to work Europe . . . I don't find
> the band opens to NA until at least 2200 . . . and for me signals are always
> much better after midnight.
>
> Roger G3YRO
>
>
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