[MLB-WIRELESS] IEEE Victorian TALK: Gigabit Wireless Systems

David Smith david at smithfamily.net.au
Sat May 19 21:54:16 EST 2007

Tony Langdon, VK3JED wrote:
> At 08:16 PM 5/19/2007, Ratbaggy wrote:
>> Both Oxygen and Water cause different amounts of absorption depending on
>> frequency, altitude etc.
>> http://brucegary.net/MTP_tutorial/MTP_ch5.html
> Looks like I was right initially, oxygen is the dominant factor for 
> absorption at 60 GHz, although water vapour can be significant as well.

Yes, I stand corrected.  My * is obviously not as smart as I thought ;-)

My only experience is with 24GHz, where water vapour loss dominates. 
The difference in path loss between dry and moist air is quite dramatic 
(e.g. as night falls).


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