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G0TWN > WIFI 27.01.05 16:27l 33 Lines 1368 Bytes #-7234 (0) @ WW
BID : 26283G0TWN
Read: DL6YEU GUEST DF7PS DK5RAS DO6NP
Subj: Re: Thruput?
Path: DB0FHN<DB0THA<DB0ERF<DB0HGW<ON0DXC<ON0RET<SR1BSZ<SR6BBA<OK0PCC<OK0NAG<
9A0BBS<OE6XPE<OE3XPR<HG8LXL<ON4HU<GB7YFS<GB7KHW<GB7IMK<GB7IMK
Sent: 050127/1034z @:GB7IMK.#43.GBR.EU [Bletchley] MKGATE #:28396 $:26283g0twn
T:From: "G0TWN (David)" <g0twn@gb7imk.ampr.org>
T:Message-ID: <d3jhv05jdaj456vpuba9utq1qs59s9qr2v@4ax.com>
Don't forget, using Secure Shell (SSH) adds overheads to the packets.
So the end speed your seeing on your FTP client (or whatever), is
probably the measurement of the actual file transfer speed.
Also, a wifi unit will step-down its transmit speed to achieve
reliable throughput. This can be due to; signal strength vs.
distance, co-channel interference, signal bounce from other buildings
or, adjacent channel interference.
If this is just personal usage, internal building use can be improved
by using high gain omni antennas. External building use, directional
antennas. Directional antennas also cut down on co-channel and
adjacent channel interference.
If this is amateur radio use, try to keep node/BBS links on a separate
channel to a user access channel, avoiding adacent channel
interference. For user access you offcourse have to use a omni
antenna but where possible for AP (node) linking, use directional
antennas.
Regards from David G0TWN
Sysop GB7IMK [44.131.160.241]
IP Co-ordinator North Buckinghamshire - Region 160
Ampr: g0twn@gb7imk.ampr.org
AX25: G0TWN@GB7IMK.#43.GBR.EU
Email: x_dhumble@taurus2.plus.com
(Please ignore prefix 'x_' which is to confuse mailbots!)
Inet: http://www.gb7imk.co.uk/
Ampr: http://gb7imk.ampr.org/
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