Return to KLUBNL.PL main page
| To: | [email protected] |
|---|---|
| Subject: | Re: LF: Cardioid RX antenna for LF... |
| From: | Warren Ziegler <[email protected]> |
| Date: | Sun, 13 May 2012 19:26:04 -0400 |
| Dkim-signature: | v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=waQnE9b78FDZt02fuLsltLAsV6LrubSmgxXlhUClLDM=; b=ddFYwCrbMGtPI5NiX/VNoYwN9MzihGsIysK7apIjEPbMDI9Nvaqb5TOCSfEFV5KfN0 JzbE+/WJg/XXrZH4tRsi82yu1xYEWvnW3rpxjDy4MG0xvfAlzvAFsKgmbVKK/2INoQBY rA++iNCnkRE2nQt8KYkMVVL5iKtij348+B1cDtPvnDTBVgs695Hs7MMAu14+F0Nr8CMb VY49e+xzY/CzeGooMU5VAPxHjrJaDoEwZuwJ7iL4cog0D1mjmVmzsc+FlB2eviOUt/uL V3r1qlE2ZSrV2ueLfg/5uBndMSEJcyyiIJme3uQVxw7jRHILj4bh7fCH7GXbm/mZmNgB NJpw== |
| In-reply-to: | <3f9e01cd3157$72c9dc80$1502a8c0@Clemens04> |
| References: | <[email protected]> <[email protected]> <CAMFjj70BFLwZTGS_+WCcs_mmhTB=sfPYY7_U-4bw9k1YVqzuCA@mail.gmail.com> <3f9e01cd3157$72c9dc80$1502a8c0@Clemens04> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
Clemens,
The G3LNP reactance tuned loop receives off the front so it has
the same output level as a similar sized K9AY etc, the vertical angle
of the rear facing null is steerable by varying the reactance.
73 Warren K2ORS
On Sun, May 13, 2012 at 6:26 PM, Clemens Paul <[email protected]> wrote:
>> BTW, Tony Preedy G3LNP published an article last year in QST which
>> had a loop with variable reactance and resistance termination, by
>> varying the reactance one could adjust the vertical angle of the main
>> lobe.
>
>
> If_I_recall_it_correctly this design uses the *backside* lobe of the K9AY
> for vertical beam steering which is as we know a lot, 20dB-30dB,even weaker
> than the low gain frontside lobe.
> 73
> Clemens
> DL4RAJ..
> ----- Original Message ----- From: "Warren Ziegler" <[email protected]>
> To: <[email protected]>
> Sent: Sunday, May 13, 2012 11:37 PM
>
> Subject: Re: LF: Cardioid RX antenna for LF...
>
>
>
--
73 Warren K2ORS
WD2XGJ
WD2XSH/23
WE2XEB/2
WE2XGR/1
|
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | LF: Re: Cardioid RX antenna for LF..., Alan Melia |
|---|---|
| Next by Date: | LF: Re: Traces of DK7FC in Venezuela?, Markus Vester |
| Previous by Thread: | Re: LF: Cardioid RX antenna for LF..., Clemens Paul |
| Next by Thread: | Re: LF: Cardioid RX antenna for LF..., Clemens Paul |
| Indexes: | [Date] [Thread] [Top] [All Lists] |