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Re: Maps
How about just rotating the loop for maximum signal just like we do on 20-meters with N-element stacked Yagis??!! Besides, many times with signals off the ionosphere the great circle path is not the
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W0LEV
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#15985
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Re: Which rx antenna to try first?
Well found some construction details on the dhdl..( finally.) Looks fairly easy to swap directions with a couple of relays..( and 2 resistors and matching transformers.) Yes one i will consider..looks
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Simon
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#15982
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Re: Which rx antenna to try first?
Martin, I was on your homepage before, a very good overview. I have three Mini Whip versions: PA0RDT, PA0NHC and PA3FWM. I use them in an urban situation. Testing them in the upper VLF band (20..30
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Dirk
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#15981
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Re: Which rx antenna to try first?
The installation information given in the video is all valid, and is very much along the lines of a series of techniques I have used, in order to get the best possible performance from this type of
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Martin - Southwest UK
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#15980
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Re: Which rx antenna to try first?
Hi Jeff Of notmuch use i am afraid..looking for proper construction details, sizes, matching transformer details, etc.. Once found will add to my collection and read all, and formulate a plan of
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Simon
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#15979
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Re: Which rx antenna to try first?
Martin, yes, you are right, a typical Mini Whip has about 15..18 dB less than a comparable dipol. But that doesn't make it a bad antenna. If installed correctly like shown here:
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Dirk
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#15978
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Re: Which rx antenna to try first?
Hi Mike Interesting,not too big .. but can¡¯t find any construction details anywhere, lots of tests, but no dimensions, etc.. Any ideas where to find?? Simon
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Simon
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#15976
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Re: Which rx antenna to try first?
Simon, try a switchable DHDL. Much less space than a full wavelength beverage but has as good a RDF. I installed two switchable for four directions. less complicated than a four square. You can get
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Mike Irizarry
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#15975
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Re: Which rx antenna to try first?
Not really, at least in my experience. It's an adequate antenna, but I've built and used several in a quiet rural location and they were all about 10 to 15dB worse in terms of Signal to Noise than my
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Martin - Southwest UK
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#15974
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Re: Wellgood V3 Loop amplifier
Do you have a link to "the new Wellgood V3 PCB" boards? In general the Wellgood circuit works very well. It is my favorite loop amp. And I have tried many different types. Tom
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Tom - VE3PSZ
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#15973
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Re: Which rx antenna to try first?
Hi Dirk No that i have ever tried one, but not convinced.. I am looking for long haul dx rx antennas with switchable directions.. Beverages would be ideal, but I doubt will have the space.. lankford
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Simon
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#15972
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Re: Which rx antenna to try first?
(Separate) RX antenna from 160 to 40m in the countryside with much place outside? A simple active E-field antenna = Mini Whip on a 10m mast will do. My recommendation is the PA0NHC improved version:
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Dirk
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#15971
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Wellgood V3 Loop amplifier
Has anyone purchased or tested the new Wellgood V3 PCB boards? How do they perform? Henry
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tardivat@...
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#15969
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Re: An apology
You want to see how bad that topic can get? Go to QRZ.com and search for any of the (probably) 1000 threads on grounding and the NEC requirements. It is a hoot.? And on the original topic: If we had
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cd_lovitt
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#15967
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Re: Which rx antenna to try first?
I have a homebrew K9AY loop not in a ideal location. Located close to a creek. Works great for certain stations. Not always though but best to have many rx antennas. I also have 3 Beverages from 300'
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Fred KB4QZH
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#15966
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Re: An apology
Jeff, You owe me nothing, it is public knowledge make?all of them you want. I haven¡¯t built one in the last two years, although I still have a few boards left.? Everett N4CY Sent from the all new
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Everett N4CY
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#15963
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Re: An apology
I just wouldn't sweat it too much. That sounds ridiculous.c
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cd_lovitt
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#15962
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Re: Which rx antenna to try first?
no it is not a felony:) you still have to build the ones from DX engineering. you just don't have to build the baluns and other things. I have shifted my interests (governed by the time available to
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Mike Irizarry
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#15959
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Re: Which rx antenna to try first?
Hi Jeff If you are going out in the snow to play aerials then all sins are squashed..lol Yes beverages..300 foot will work on 160? Even though the garden will be big, it won¡¯t be USA big! Just Uk
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Simon
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#15958
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Re: Which rx antenna to try first?
As far easy antenna Beverage is a winner. Even as short as 300' are useful. Fred KB4QZH
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Fred KB4QZH
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#15957
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