[leaf-wisp] atheros - DUP! packets

hi,

i have wisp 1.3.1p30. atheros mini pci - 802.11a
MASTER mode and MANAGED mode. distance 1.6 - 2 km.
when i ping another site i get DUP! packet.
every 5-6 packet is DUP!.
i think(?) my problem is ack-timeout.
i was read about this here:
http://www.freenetworks.org/pipermail/pebble-linux/2004-November/001034.html

can i change ack timeout on wisp ?



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