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[aprssig] APRS needs... (Part II)

Patrick Domack patrickdk at patrickdk.com
Wed May 28 16:40:48 UTC 2008


I have found that running multable watts of output to be nearly  
useless, unless your using high gain antenna, or high power on both  
ends.

The issue normally becomes receiving is overrun by the loads of wifi  
units others are running, that your signal gets lost in the noise.

If I remember correctly, we are allowed to run up to 10watts, after  
that we have to use an Auto-Gain transmitter/amp, then we can go up to  
100watts.

Quoting "Joseph M. Durnal" <joseph.durnal at gmail.com>:

> You could - but you wouldn't be able to encrypt it of course and if it
> was connected to the Internet, keeping it non commercial would be
> nearly impossible.
>
> 73 de Joseph Durnal NE3R
>
> On Wed, May 28, 2008 at 10:37 AM, Jason KG4WSV <kg4wsv at gmail.com> wrote:
>> On Wed, May 28, 2008 at 9:26 AM, Joseph M. Durnal
>> <joseph.durnal at gmail.com> wrote:
>>> Practical, yes, legal, probably not, unless you are really careful.  :)
>>
>> The way I read the frequency specs, about half the 802.11 channels are
>> in the 2.4GHz ham band, and hams are primary users on that band.  If
>> we radiate the increased power only on the frequencies/channels we are
>> licensed for, why wouldn't it be legal?
>>
>> I wasn't really thinking of kW outputs or anything; just going from
>> the typical 50 to 100mW up to, say, 5W would make a serious difference
>> in range.
>>
>> Besides that, at 2.4GHz, there are serious safety concerns with high
>> power.  Don't want to microwave any body parts...
>>
>> -Jason
>> kg4wsv
>>
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>
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