Thanks Marcus,
The cable is cat-5e and the length is 52 meters
(give or take).
Based on your calculations, it seems that I am
setting myself for high likelihood of a dropped packet if I were to run
for 4 or 5 days continuously.
I have moved the N200 over to another cable to
see if the situation improves but I think that the best solution is to
move the Ubuntu box into the shack rather than move house/shack closer :)
Slainte,
John
On 03/05/16 19:12, [email protected] wrote:
The native BER of 1000BASE-T is better than 1.0e-11 or so.
Which means you'd expect a bad bit roughly every half-hour at 2msps
(64Mbit/sec), the bad-bit probabilities get worse as you make the
cable longer.
On 2016-05-03 12:59, John Shields wrote:
On 03/05/16 15:01, [email protected] wrote:
It's possible that we're dealing with a memory leak somewhere.
Could you watch the memory consumption of simple_ra over time?
Also, could you just run something like uhd_fft with the same sample
rate for long periods to see if it gets the same 'D' treatment?
On 2016-05-03 04:32, John Shields wrote:
Thanks Marcus,
Have put answers in-line.
Kind Regards,
John
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Ok, Marcus, will do. Overnight (NZ time) I got 1 D with the Atheros.
I should have said that the N200 was in the shack and the Ubuntu
system in the house. I have several runs of Ethernet out to the shack
so will do some experimentation on the different connections. Then I
will move the Ubuntu system to the shack and see if colocation helps.
These investigations will take some days but will let you know.
Kind Regards,
John
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