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MD2SAW > PR 24.07.21 11:04l 90 Lines 3423 Bytes #999 (0) @ WW
BID : 3384_MD2BBS
Read: GAST DQB562
Subj: Re: Direwolf FX.25
Path: DBO595<DBX320<MD2BBS
Sent: 210723/1936Z @:MD2BBS.#SAW.SAA.DEU.EU #:3384 [Salzwedel] $:3384_MD2BBS
From: MD2SAW@MD2BBS.#SAW.SAA.DEU.EU
To : PR@WW
Am 22.07.21 um 19:59 schrieb NL1VKL:
> Path: !VB1BOX!NL3VKL!
>
> From: NL1VKL@NL3VKL.NBO.NLD.EU
> To : PR@WW
>
> Message from: NL1VKL@NL3VKL
>
> Just about 15 minutes ago I've also enabled FX.25 with 32-byte mode to test
> Forward Error Correction with Direwolf 1.7.
>
> Currently I'm using an AX.25 packet length of 160 bytes on both RF ports.
> With the 32-FEC bytes extra that increases to 192 bytes.
>
> Will test/see how that's going to work with stations with or without FX.25
> enabled. I might decrease the AX.25 packet length a bit more or switch to
> 16-byte mode. Need to do some experimenting on that one to see how it's
> performing (or not). ;)
>
> 73! Dave de NL1VKL
>
> ====================================================================
> _____ __ ___ _____ _____ __
> | | | | |_ | | | | | | | Sysop: Dave
> | | | | |__ _| |_| | | -| |__ QTH: Uden - JO21TP
> |_|___|_____|_____|\___/|__|__|_____| BBS: NL3VKL.NBO.NLD.EU
> QRV: 27.235 MHz (FM 1k2)
> 27.365 MHz (LSB 1k2)
> NL3VKL BBS
> NL5VKL Net/Rom node / internet gateway https://nl5vkl.mijndingen.nl
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>
Yeah.
that's se only Problem with that FX.25.
The packet len is growing a lot and other stations get trouble with it.
Like i wrote at beginning i use 32 Bytes on our DX Node where i
excepting long range QSOs and
16 B Mode on my home Node ( I-Net Gateway). Here i expect more traffic
because of the Gateway and not so much wide range QSO's.
FX.25 on my Home Node isn't so necessary but i use it for testing
purposes and i guess 16 B isn't so much increase the paclen so it's ok
to use it.
If i have to transfer a lot of data ( Download Logfiles or FBB is
sending a daylie status Mail from the DX Node ) i increase the pachlen
to 230 on the 32 B FX.25 and 250 on the 16 B Station to "disable" FX.25
for a short time without restating DW every time.
If we want get a "measurement" to compare the decoding capabilities of
FX.25 enabled or not, DW has a possibility to compare a Audio stream
with different versions and configs.
But thats the point. I have to capture a audio stream on good DX
conditons.
But at home i havn't so much DX es incoming and our DX Node hasn't the
capabilities for that.
Would like to read about your conclusion about your experience with
FX.25 sometime.
Greetings and
--
73 Manuel.
=========================================================================
__ __ ____ ____ ____ ___ __
| \/ | _ \___ \/ ___| / \ \ / / Sysop: Manuel
| |\/| | | | |__) \___ \ / _ \ \ /\ / / QTH: Salzwedel - JO52NU
| | | | |_| / __/ ___) / ___ \ V V / BBS: MD2BBS.#SAW.SAA.DEU.EU
|_| |_|____/_____|____/_/ \_\_/\_/ QRV: 27.235 MHz / 27.025 MHz
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