[Elecraft] Receive antennas

Stewart Baker stewart at baker.nildram.co.uk
Sat Feb 2 16:08:33 EST 2008


I am using 2 Pennant antennas for 160 and 80. They work very well.
Follow the link.

73
Stewart G3RXQ 
On Sat, 2 Feb 2008 11:29:12 -0800, Robert Tellefsen wrote:
> Hello Rolf
> Look at this web site for info on the Flag and Pennant receiving
> loops.  They really work.
> http://www.angelfire.com/md/k3ky/page37.html
>
> Also, check out the K9AY loops at
> http://www.aytechnologies.com/TechData/LoopInstall.htm
>
> Good luck and 73
> Bob N6WG
>
> ----- Original Message -----
> From: "TWC" <twc at bredband.net>
> To: "Stewart Baker" <stewart at baker.nildram.co.uk>
> Cc: <Elecraft at mailman.qth.net>
> Sent: Saturday, February 02, 2008 10:47 AM
> Subject: Re: [Elecraft] Receive antennas
>
>
>> Stewart Baker skrev:
>>> Drew,
>>> Receive only antennas can really extract wanted signals out of 
a
>>> mess of local electrical noise.
>>>
>>> To be effective they need to have minimal coupling to the 
transmit
>>> antenna, otherwise all the trash collected on the main antenna
>>> appears on the receive antenna signal. This means a reasonable
>>> distance between the two antennas which  also helps to prevent
>>> damage to the receiver front end, but with high RF power care 
is
>>> needed.
>>>
>>> A lot of receive antennas have low output so use a 20dB or so
>>> pre-amp. It is possible that this could be killed with RF, 
long
>>> before the rig suffers. Y.M.M.V.
>>>
>>> 73
>>> Stewart G3RXQ
>>>
>>> On Sat, 02 Feb 2008 10:38:36 -0500, drewko1 at verizon.net wrote:
>>>
>>>> I'm a bit confused about using a receive-only antenna. 
 Comments
>>>> suggest that they could be destructive. Is it safe to use one 
on
>>>>
>>> the
>>>
>>>> K2 (the k160rx module) and/or k3?
>>>>
>>>> 73,
>>>> Drew
>>>> AF2Z
>>>>
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>>>
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>>>
>> Hi all,
>>
>> I am looking for a receive antenna for 80 meter because of
>> high levels of white nise here in Stockholm City.
>> Any suggestions there to find good building instructions on
>> the Internet should be appreciated.
>>
>> Best 73's,
>> Rolf   -   K2 #4979
>> SMØYQC
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