Atmospheric absorption peaks in 24GHz & 60GHz. 80GHz is typically much less affected 60GHz. See attached chart for reference.
On Wed, Feb 24, 2021 at 5:44 PM Nate Burke <[email protected]> wrote: > One of our distributors is trying to push us into an 80ghz link for a > 1.7 mile hop. Siklu says that 2' dishes on each side will have no rain > problems in our Rain zone 'K'. I have trouble believing that. Our AF24 > link that is in place now Fades during rain events. An AF60 link we > have at 0.4 miles also fades. What are real world experiences with 80ghz? > > How hard is it to align 80ghz dishes, especially at that distance? We > once had to align a 24ghz 3' Trango dish that had no fine adjustments, > and it took almost 2 hours because the signal would change with every > turn of the UBolt. Same with the AF60 radio, but that mount bracket is > a pile of garbage anyway. I see they sell a fine adjustment bracket for > the AF60 now. > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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