RF legals - was - Re[4]: [MLB-WIRELESS] Press Release

[Steven Haigh]

After talking to Jim Karamalakis from the ACA - who mainly deals with the RF
side of the ACA - especially with class licences, home brew antennas are
fine, galaxy antennas are fine, as long as you still stay withing the legal
limit of 4W EIRP.

The topic has been raised before regarding if two devices were used on the
same antenna - how this would affect the 4W EIRP limit. Jim told me that the
4W EIRP is per *device* - not the total from the antenna. He gave me an
example of commercial radios on the Rialto - where there may be one antenna
servicing 50 radios - each radio is licenced for, say, 50W - but the antenna
may be putting out, say 500W at one time - he told me this is the same
scenario with having 2 devices on one antenna.

He did also mention that we would have to check the RF exposure laws
regarding this - as say we stick 10 into one antenna, then the total antenna
output power may be subject to other laws...

Signed,
Steven Haigh
President - Melbourne Wireless
www.wireless.org.au


----- Original Message -----
From: "Clae" <clae at tpg.com.au>
To: "evilbunny" <evilbunny at sydneywireless.com>; "Steven Haigh"
<netwiz at optushome.com.au>
Cc: <melbwireless at wireless.org.au>
Sent: Monday, May 20, 2002 8:54 AM
Subject: RF legals - was - Re[4]: [MLB-WIRELESS] Press Release


> At 5:19 PM +1000 19/5/02, evilbunny wrote:
> >there is
> >also questions on the RF side of things too, I'm sure not everyone has
> >headed...
>
> should be covered by the class license on the devices, no added
> amplifiers though, and i'm a bit doubtful on the status of homebrew
> antennae.  What are your questions?
>
> Clae.
>
> --
> =-=-=-=-= CHANGE OF ADDRESS =-=-=-=-=
>          clae13 at yahoo.com        is no more
>           clae at tpg.com.au        is where it's at
>
>
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