[TowerTalk] One DB

[Bob Maser]

1 db when you're already 40 over 9 makes no difference.  If you're only S1 
then 1 db is valuable.  It's the ratio that matters.

Bob W6TR
----- Original Message ----- 
From: "David Gilbert" <xdavid at cis-broadband.com>
To: "WA3GIN in Alex. City, VA" <wa3gin at comcast.net>; "TowerTalk" 
<towertalk at contesting.com>
Cc: "CADXA" <CADXA at LISTSERV.TEMPE.GOV>
Sent: Tuesday, May 29, 2007 10:18 PM
Subject: Re: [TowerTalk] One DB


>
>
> None of that has anything to do with my posting.  I only referred to the
> original question posted here a couple of weeks ago (by someone whose
> call I've since forgotten), which was "what is an additional one db of
> forward antenna gain worth"?   Turn on your own receiver and play with
> the knobs if you want to check out those other things.  I just didn't
> think it was as easy for everyone to find stepped-level S/N's for
> comparison when I decided to create the file.
>
> Dave   AB7E
>
>
>
> WA3GIN in Alex. City, VA wrote:
>> Yes, I agree but it is more real world than MP3 files...at least we have 
>> the
>> chance to hear the effect of receiver selectivity/sensitivity, receive
>> antenna characteristics as well as receiver AGC, etc.
>>
>> 73,
>> dave
>> wa3gin at COMCAST.NET
>>
>>
>
>> -----Original Message-----
>> From: towertalk-bounces at contesting.com
>> [mailto:towertalk-bounces at contesting.com] On Behalf Of James C. Garland
>> Sent: Tuesday, May 29, 2007 8:19 PM
>> To: towertalk at contesting.com
>> Cc: towertalk at contesting.com
>> Subject: Re: [TowerTalk] One DB
>>
>> Hi Dave, I don't see why his test is flawed.  Seems pretty creative
>> to me. Your suggestion probably woudn't yield consistent results
>> because of QSB.
>>
>> Jim W8ZR
>>
>> At 05:57 PM 5/29/2007, you wrote:
>>
>>> I think your efforts should be rewarded but the test is flawed.
>>>
>>> Try using QRP and an attenuator.  Get a distant station to record the 
>>> two
>>> transmissions...one with and one without the 1db attenuator in the 
>>> output.
>>>
>>> 73,
>>> dave
>>> wa3gin at COMCAST.NET
>>>
>>> -----Original Message-----
>>> From: towertalk-bounces at contesting.com
>>> [mailto:towertalk-bounces at contesting.com] On Behalf Of David Gilbert
>>> Sent: Tuesday, May 29, 2007 7:19 PM
>>> To: Bob Houf at Comcast; CADXA; TowerTalk; Brian MacHunter
>>> Subject: [TowerTalk] One DB
>>>
>>>
>>> Someone on the Towertalk reflector recently asked whether an additional
>>> one db of antenna gain was worth pursuing.  The answer, of course, was
>>> that it all depends...
>>>
>>>
>>> _______________________________________________
>>>
>>>
>>>
>>> _______________________________________________
>>> TowerTalk mailing list
>>> TowerTalk at contesting.com
>>> http://lists.contesting.com/mailman/listinfo/towertalk
>>>
>>
>> *************************
>> Jim Garland
>> Santa Fe, NM
>> www.w8zr.net
>> *************************
>>
>> _______________________________________________
>>
>>
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