And all the little bits of loss can add up to a significant amount if there
is enough of them.
-----Original Message-----
From: For blind ham radio operators [mailto:[log in to unmask]]
On Behalf Of David W Wood
Sent: Tuesday, January 24, 2006 1:45 AM
To: [log in to unmask]
Subject: Re: 60 meters
Sure, but also remember that this is at the transmitter.
Any earth or absorption will become more significant with lower powers as a
proportion of the signal.
In message , Millers <[log in to unmask]> writes
> Your point is valid David, however, also keep in mind that a
>reduction of
>6 Db amounts to a change of only 1 s-unit.
>
>73
>
>
>Ron Miller
>N6MSA
>Clearwater Florida
>SKYPE: arjay1
>
>
>-----Original Message-----
>From: For blind ham radio operators
>[mailto:[log in to unmask]]
>On Behalf Of David W Wood
>Sent: Sunday, January 22, 2006 5:26 PM
>To: [log in to unmask]
>Subject: Re: 60 meters
>
>REMEMBER:
>
>100W to 25W is 6Db reduction of power at the antenna.
>
>David
>
>In message , Colin McDonald <[log in to unmask]> writes
>>I am not sure if it would apply so much to 60 meters, but its
>>interesting that on 80/75 meters, a reduction of power say 100 watts
>>to
>>25 watts, or 50 watts really makes absolutely no discernable
>>difference in the receive signal.
>>So I am not sure that running 50 watts ERP would be much different
>>then running 100 or even 200 watts up there...although i might be off
>>the point on this one since i am not sure about the characteristics of
60M.
>>73
>>Colin, V A6BKX
>>----- Original Message -----
>>From: "Kevin Kwan" <[log in to unmask]>
>>To: <[log in to unmask]>
>>Sent: Sunday, January 22, 2006 4:55 AM
>>Subject: Re: 60 meters
>>
>>
>>> The only funny thing about having power limitations especially on hf
>>> is enebnibly people will run considerably more power and with the
>>> short frequency range, wow what a pile up that would be if they did
that.
>>> ----- Original Message -----
>>> From: "Howard Kaufman" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Sunday, January 22, 2006 6:47 AM
>>> Subject: 60 meters
>>>
>>>
>>> Remember, that their are only five frequencies on that band.
>>> Therefore it might be more active than it seems. The power limit is
>>> 50 watts, so signals aren't real loud. A fair bit of activity from
>>> here. About a thousand miles out is common.
>>>
>
>--
>David W Wood
--
David W Wood
|