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For Sale: Quantum QX Loop V2.0
If your not familiar, here is the link to everything: http://www.dxtools.com/QX.htm http://www.dxtools.com/QX.htm
Never used.
Includes ...
Quantum QX Loop V2.0 with MW Plug-in, Tropical/SW
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joe.lanoue@...
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#10203
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Re: 2.5-25KV BUTTERFLY CAPACITOR KITS VA6POP
I produce this plates using a CNC machine.
https://www.youtube.com/watch?v=PVGZryuLwQ0
I can build
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pop
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#10202
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If you don't want to build your own loop antenna...
If you don't want to build your own magnetic loop, then here's a company building them in the USA http://AmateurRadioStore.com
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JOHN CEDARHOLM
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#10201
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Re: ferrite question
Now -that- is the way to do it. A link does not take up space, and it is available in the Links section for future use.
Steve Greenfield AE7HD
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Steven Greenfield AE7HD
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#10200
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Re: ferrite question
You cannot link to a file in that way, Yahoogroups provides a temporary link that only works for 20 minutes at most.
This is a message for all: Please do NOT use high ASCII characters in file names.
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Steven Greenfield AE7HD
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#10199
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Re: ferrite question
Hi Danny,
i uploaded a file where some features of toroid ferrites are written.
the name is "caracteristiques tores ferrite_hftoxxxx.pdf.
I use it
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Grand Bill
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#10198
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Horizontal Loop Antenna For Digital TV
I was recently reviewing online designs for homemade DTV antennas. Most of these designs are for UHF (channel 14 and up) and are of the general design of multiple V dipoles with a phasing line, in
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Greg Ella
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#10195
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Re: ferrite question
Thanks for the info. I'll take a look at this.
Danny
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dannibou
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#10194
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Re: ferrite question
Hi,
I think this chart could be usefull.
the file is uploaded in the "files" section of the group.= caract¨¦ristiques tores ferrite xxxx
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Grand Bill
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#10197
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Re: ferrite question
See if one these sites help you:
http://toroids.info/
http://www.dl5swb.de/html/mini_ring_core_calculator.htm
73 Dave - AC2GL
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Dave Hartman <ac2gl@...>
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#10196
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Re: ferrite question
the colors are indexed and the data is proably on the mfrs. webpage
------------------------------
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Mike N9LSD <m.bunner1@...>
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#10192
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Butterfly Capacitor for a homebrew loop antenna VA6POP
I can build for u any air variable capacitors
http://www.flickr.com/photos/93005502@N08/page3/
https://www.youtube.com/watch?v=PVGZryuLwQ0
Variable Butterfly Capacitor for a Homebrew Magnetic Loop
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pop
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#10193
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Re: ferrite question
Danny,
I added a link fir the mini Core Calculator app in the Links folder under the ferrites sub folder. Tab to the Iron Powder Torrid menu, and then select different Core Materials. This will
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Mike
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#10191
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Re: ferrite question
Hi Danny,
Here is a link to a core calculator application: http://www.dl5swb.de/html/mini_ring_core_calculator.htm http://www.dl5swb.de/html/mini_ring_core_calculator.htm
Go to the Iron
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Mike
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#10190
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ferrite question
Hi group. I have some ferrite of different size and color. I know that some are better for low frequency and other for high frequency. I would like to know how to identify them. Anyone know on how I
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dannibou
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#10189
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Re: Questions from the archive and files section.
Hello Ben,
In your recent mail you asked:
"So...can someone please point me towards the modified M0AYF amplifier? "
Well the schematic shown in Everett Sharp's mails is the modified M0AYF. You
can
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Cor Beijersbergen
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#10188
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Questions from the archive and files section.
Good evening all,
I'm kind of new here so I have been been reading some of the posts in the online Yahoogroups archive.
I recently built a Mobius loop per Chris Trask's instructions in "Mastering
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Ben Hall <kd5byb@...>
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#10187
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Re: Searching for a very low noise wideband loop preamp
You were right. My mistake. But with Jos¨¦ I was talking about an amplifying
device for FM, it was in another YG reflector, and I mixed-up things.
Sorry. HI!.
Horacio
2014/1/9 Todd Roberts
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Horacio A. Nigro, CX3BZ
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#10186
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Re: Searching for a very low noise wideband loop preamp
I agree with Brian, I have had excellent results with the M0AYF broadband loop design.
Easy to build, uses only 2 transistors, unconditionally stable. Many people have
reported it works very well for
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roberts50000
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#10185
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Re: Searching for a very low noise wideband loop preamp
This is almost certainly uses an ephemt device.
They are great ... above 50 MHz. At HF and
below, they have fatal 1/f noise.
Rick N6RK
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Richard \(Rick\) Karlquist \(N6RK\)
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#10184
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