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

[David Smith]

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).

Regards,
Dave
VK3HZ