Locked
Re: Optimum Size Loop ?
roguerat1 wrote: As long as your loop has a circumference much less than a wavelength, then larger is better. Think of this as an energy density problem. the passing waves contain a certain energy per
By
John Popelish <jpopelish@...>
·
#3609
·
|
Locked
Optimum Size Loop ?
I'm going to build a passive inductive am bcb loop ant. Is there an optimum size that will give me good results? Is there such a thing as "too" large an inductive loop?
By
roguerat1 <roguerat1@...>
·
#3608
·
|
Locked
Re: loop with a coil
Hello John, Jim and Len, Thanks for your input. When I looked at those photos I at first thought it was for transmitting, however the air capacitor kind of threw that out for me. Since the loop
By
noswadplease
·
#3607
·
|
Locked
Re: i am a new member in this group
No, unless you live under a very repressive regime, you need Google's help http://www.google.com/ (or your own choice of major search engine). Then you may search to your heart's content and, if you
By
Len Warner
·
#3606
·
|
Locked
Re: Loop antenna with coil
Seems to be these two: http://ph.groups.yahoo.com/group/loopantennas/photos/view/2446?b=3 http://ph.groups.yahoo.com/group/loopantennas/photos/view/2446?b=4 (I hope those links hold up ;-) This was
By
Len Warner
·
#3605
·
|
Locked
Re: Loop antenna with coil
Hi Ed, Well the loop and coil are in series which will create a com
By
Jim Dunstan <jdunstan@...>
·
#3604
·
|
Locked
Trap for 160/80m loop ?
I want to use a ~265 foot horizontal 80m closed loop, on 160m what I need/want to do is open the far side of the loop when it is operated on 160m and close it for 80m and above how do I do that? the
By
Sam <ka5oai@...>
·
#3613
·
|
Locked
Re: Loop antenna with coil
It looks as though adding more wire, either in the form of a coil or additional turn(s) on the loop itself would have the effect of lowering the top and bottom freqs thus altering the freq range of
By
John MacKay <vasaloj@...>
·
#3603
·
|
Locked
Loop antenna with coil
Hi Group, In the photo section under passin_thru2 ther is a loop antenna, 3rd and 4th photo that shows an octagon loop antenna. In the photo it shows a coil, just looks like heavy gauge wire coiled,
By
noswadplease
·
#3602
·
|
Locked
Re: i am a new member in this group
This message has a count of 17K but I read only 3 or 4K. Am I missing something ? John M. egza_eng2000 <egza_eng2000@...> wrote: i am eme i study communication engineering my project about
By
John MacKay <vasaloj@...>
·
#3601
·
|
Locked
i am a new member in this group
i am eme i study communication engineering my project about antenna i need your help to have searchs about types of antenna
By
egza_eng2000 <egza_eng2000@...>
·
#3600
·
|
Locked
Re: Wellbrook's after-sales service
Hi Nigel, I don't want to add fuel to the fire but please don't play on words ! I'm sure you are clever, intelligent and positive minded enough to understand what I mean in my post without further
By
D.Kremp <dominique.kremp@...>
·
#3598
·
|
Locked
Re: Wellbrook's after-sales service
In a message dated 16/06/2007 16:49:13 GMT Daylight Time, dominique.kremp@... writes: Hi Nigel, I don't want to add fuel to the fire but please don't play on words !
By
gandalfg8@...
·
#3599
·
|
Locked
Re: Active loop antenna
How can I get a schematic for the Degen DE-31 active antenna? Anyone nice enough to email me a copy? mwmwmfilms@... Thanks Chris
By
mwmwmfilms
·
#3597
·
|
Locked
Wellbrook non-patents
If the Wellbrook amplifier was in fact patented, the advertising would say so, and i don't think i have ever seen that. It would probably still be wise to "pot" it (epoxy encase it), because any
By
Hue Miller
·
#3596
·
|
Locked
Re: Commercial loop antenna for VLF - 24KHZ
KHZ Carl, Welcome to the group. You might want to check Stormwise. (Stormwise.com). They sell whole antennas or large cores that could allow you to possibly wind your own? or is a commercial one
By
John Stumm <jcstumm@...>
·
#3594
·
|
Locked
Re: Wellbrook's after-sales service
I have also experienced the same level of service with my Wellbrook loops. On multiple occasions, either my loop, the amp unit or the interface has developed a problem. In each case after he worked
By
Stephen Bass <sbass@...>
·
#3595
·
|
Locked
Re: Wellbrook's after-sales service
By
gandalfg8@...
·
#3593
·
|
Locked
Wellbrook's after-sales service
Hi all, I just want to tell you what happened to me with my 2 years old ALA1530. I had been experiencing for a couple of months that its sensivity was very low when I switched it on. I had to
By
D.Kremp <dominique.kremp@...>
·
#3592
·
|
Locked
Commercial loop antenna for VLF - 24KHZ
Hi all- new member Does anyone know of a reasonably priced loop antenna ( USA ) for 24 KHZ or other VLF radio frequencies? I have looked at Palomar, and AOR but they seem to be out of the price range
By
Carl <carlm01@...>
·
#3591
·
|