[Moon-net] Fw: VHF Antenna Noisetemperature by YU1AW..

[Paul Chominski]

----- Original Message ----- 
From: "Paul Chominski" <pchomins at san.rr.com>
To: "Bodo Heyl" <bodoheyl at gmx.de>; "moonbounceboard" 
<moon-net at list-serv.davidv.net>
Sent: Thursday, April 17, 2008 10:15 PM
Subject: Re: [Moon-net] VHF Antenna Noisetemperature by YU1AW..


> To All,
> 12 years ago I've got dramatic improvement of performance modifying old 19 
> el CC yagi for 144 MHz according to VE7BQH Lionel's design. Few years ago 
> when I was experimenting with extension of my dual-dipole feed for 70 cm, 
> I've got again help with noise temperature simulations and suggestions 
> what to do from Lionel. Thanks to him I could improve my first version.
> I think, there is a essential practical value in Lionel's work.
> VY 73 Paul WA6PY
>
> ----- Original Message ----- 
> From: "Bodo Heyl" <bodoheyl at gmx.de>
> To: "moonbounceboard" <moon-net at list-serv.davidv.net>
> Sent: Thursday, April 17, 2008 6:00 AM
> Subject: [Moon-net] VHF Antenna Noisetemperature by YU1AW..
>
>
>> Dear Lunatics,
>>
>> by chance I found the following article by YU1AW:
>>
>> http://yu1aw.ba-karlsruhe.de/vhfnoisetemp.pdf
>>
>> One of his statements is that the VE7BQH G/T chart
>> " is not suitable due to high values of antenna noise temperature
>> even in space communication on VHF Bands"
>>
>> Does it means that the list of VE7BQH is more or less
>> an academic paper?
>>
>> Would appreciate comments by the antenna specialists
>> here, please reply to moon-net!
>>
>> 73 de Bodo/DL2FCN
>>
>>
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>