[TowerTalk] Inverted Vees
Kim Elmore
cw_de_n5op at sbcglobal.net
Tue Jun 16 22:58:35 EDT 2020
A brief note on my experiences on 75-80 m: I have K9AY receive loops, a
F12 Sigma 80 OCF vertical dipole, and an inverted V with the apex at
about 40 ft and the ends about 10-12 ft above the ground. In my
experience, any of these antennas can be best for receive -- it depends
on the day. Often, the K9AY loops are quieter, but not always and the
difference can be striking between antennas. For transmit, the inverted
V wins hands down for anything inside of about 600 mi or so. Within that
same range of about 600 mi, the Sigma 80 is always much worse as a
transmit antenna. However, on DX, the Sigma 80 is far and away the
better transmit antenna.
For receive usually, but far from always, the K9AY loops are best. But I
always check all the antennas for rx effectiveness and choose the best one.
Kim N5OP
On 6/16/2020 1:06 PM, Wes wrote:
> My RX antenna is my TX vertical too. Conventional wisdom says you
> "have" to have a receiving antenna and a vertical TX antenna to work
> DX. I worked my first 80 countries or so with an inverted-vee, 45-feet
> high at the apex and ends about 6' high. Then I installed a 55'
> inverted-L and worked another 60 or so. Am I a top gun? No, but my
> goal of 9-band DXCC from one location is achieved.
>
> Wes N7WS
>
> On 6/16/2020 5:34 AM, dj7ww at t-online.de wrote:
>> No, my best 160m receiving antenna is my vertical.
>> Very weak signals are not audible on my receiving antenna.
>> My receiving beverage antennas 120-160m long are only good for
>> directivity
>> like suppressing qrm.
>>
>> 73
>> Peter
>
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--
Kim Elmore, Ph.D. (Adj. Assoc. Prof., OU School of Meteorology, CCM, PP
SEL/MEL/Glider, N5OP, 2nd Class Radiotelegraph, GROL)
/"A great second violinist plays second fiddle to no one." //– Robert C.
Marsh, Chicago Sun-Times./
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