Topband: New user, some advice needed.

[W0MU Mike Fatchett]

https://www.dxengineering.com/search/product-line/dx-engineering-160-meter-thunderbolt-vertical-antennas?autoview=SKU&keyword=160%20vertical&sortby=BestKeywordMatch&sortorder=Ascending


On 12/20/2016 10:24 AM, Petronel Postolache wrote:
> I can't find the Vertical from DX Engineering. If you can send me a 
> link it will be great.
> One solution might be top hat vertical, similar with 
> http://dl2kq.de/ant/3-1.htm . Not sure how much power is lost in the 
> matching unit L1, C1.
>
> I would love a Waller Flag too. Imposible to buy one from here (too 
> expensive) but I might wanna try build one. Preamp will be the biggest 
> problem.
>
> Petronel
> YO8SEP / YP8W
>
> On Mon, Dec 19, 2016 at 9:30 PM, W0MU Mike Fatchett <w0mu at w0mu.com 
> <mailto:w0mu at w0mu.com>> wrote:
>
>     Check out DX Engineering.  They sell a vertical that uses 3 top
>     hat wires.  Sloping back down is ok.  For 80/160 you need to stop
>     the 80m energy with a coil/trap My 80 uses a very fast taper and
>     the top is only 3/8 inch or less so It cannot support a coil or t
>     wires.  I probably should have planned that out better.  I was
>     also going to try to phase two 80 elements over time but that will
>     not happen any time soon.
>
>     With all the metal in the yard the AY loop may not work very
>     well.  Waller Flag on the roof maybe.  I would love one.
>
>     W0MU
>
>
>     On 12/19/2016 12:24 PM, Petronel Postolache wrote:
>>     I can try to put a 21-22m (68-70 foot) telescopic aluminium pole,
>>     made from pipes 2" to 1" diameter.
>>     It will be a bit too long for 1/4 on 80m. I can put a T top hat
>>     or run an InvL, but probably need to slope it from 70 foot to
>>     about 40 foot. What will be better ? and will I be able to
>>     match/use the antenna on 80m also ?
>>
>>     About K9AY, I understood that the loop is influenced by close
>>     metal objects, and the property is full of wire fences, vineyard
>>     rows and other "metal" structures. That's why i was thinking
>>     about using some flag/loop at 10 feet or more above ground.
>>
>>     73, Petronel
>>     YO8SEP
>>
>>     160 and 80 will be difficult. Can you get another vertical up
>>     about 60 feet? You can top load that with a trap for 80 and have
>>     "t" wires at the top that also act as guy wires. You can also
>>     bottom load for 160 and maybe that will be good enough for you.
>>     Radials whatever you can do will help.An Inverted L with about
>>     50ft of vertical will work ok....If you can keep the horizontal
>>     end up in the air around the same height or more. It doesn't
>>     sound like you have any tall trees to work with.For receiving I
>>     have been very impressed with a K9AP loop. 25 ft up and about 15
>>     feet out at the corners. It does not take up much space and you
>>     can reverse the direction easily with a relay. A flag or pennant
>>     will work too. You can never have enough rcv or xmit antenna! HI!
>>     Welcome to the club!
>>
>>     W0MU
>>
>
>