Re: [ath5k-devel] Coverage Class troubles?

2011-03-21 Thread Adrian Chadd
This is just my off-the-morning-coffee calculation without (yet) having any experience with the coverage class parameters, but: * light travels roughly 300m/microsecond sec; * means you're going to travel 36.6 microseconds for 11,000 metres, so call it 37 microseconds. * the AR_D_GBL_IFS_MISC_SIFS

Re: [ath5k-devel] Coverage Class troubles?

2011-03-21 Thread Brian Prodoehl
On Mon, Mar 21, 2011 at 1:45 PM, Steve Brown wrote: > I'm trying to replace an existing 900MHz 11000 meter link w/ two Alix > boxes with Ubiquiti XR9's. These are "Atheros Communications Inc. AR5413 > 802.11abg NIC (rev 01)" radios that down convert to the 900MHz ISM > band. > > I'm using a 5MHz c

[ath5k-devel] Coverage Class troubles?

2011-03-21 Thread Steve Brown
I'm trying to replace an existing 900MHz 11000 meter link w/ two Alix boxes with Ubiquiti XR9's. These are "Atheros Communications Inc. AR5413 802.11abg NIC (rev 01)" radios that down convert to the 900MHz ISM band. I'm using a 5MHz channel. The units run flawlessly at short distances, but repeat