somebody slap that guy!
On 2/20/07, Marlon K. Schafer <[EMAIL PROTECTED]> wrote:
Oh brother!
marlon
----- Original Message -----
Sent: Monday, February 19, 2007 8:13 PM
Subject: Re: [Ham-80211] Re: 2.4 GHz remote broadcast
> > > Steve wrote:
>>> Are all forms of Ham communications on 5.2 & 5.4 limited to 1W eirp or
>>> only high-speed data/video?Short answer: Max achievable EIRP is 946.4
>>> Kilo-watts for Part 97, or obviously the minimum necessary to carry
>>> out the communications, just like any other thing in ham radio.Nothing
>>> overlaps at 5.2 GHz... more so 5.6 & 5.7 see these
>>> links:http://www.qsl.net/kb9mwr/projects/wireless/pwr.html
>>> http://www.qsl.net/kb9mwr/projects/wireless/allocations.html
>
> Awesome resource, thanks!
>
> These were VERY amusing to read, especially the EIRP!
>
> 900 MHz (non spread spectrum i.e 802.11g) 1500 watts (per 97.313) 14
> dBd yagi 37.8 Kilo-watts
>
> What sort of surplus amplifier hardware is available for
> 900MHz and at what sort of prices, please? I hate to
> think of the price tag on a 1.5KW 900MHz amp!
>
> 2.4 GHz (non spread spectrum i.e. 802.11g) 1500 watts (per 97.313)
> 24 dBi partial parabolic 376.8 Kilo-watts
>
> Generating 1.5KW on 2.4GHz is not within the reach of the
> average Ham, even 150W may be tough, though that still
> equals 37.7KW EIRP! :-)
>
> The 3.3GHz transverter http://www.ubnt.com/sr3_faq.php4
> is interesting for many reasons:
>
> 1. It interfaces with the Atheros Linux MadWiFi driver.
>
> 2. It takes a consumer off-the-shelf 2.4 GHz 802.11 hardware
> and puts it on the 3.3GHz Ham band.
>
> 3. 100W x 25 dBi dish = 31.6 Kilo-watts EIRP!!
>
> Questions:
>
> 1. What is this device likely to cost?
>
> 2. Are amplifiers available surplus and what are
> they likely to cost?
>
> 3. Same question re. high gain 3.3GHz antennas and the
> associated cables/waveguides?
>
> 4. Distance and signal toleration in bad weather?
>
> It is so much fun to learn new things in Ham radio!
>
> --
>
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