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KQ6UP > JNOS 01.02.24 19:37z 102 Lines 2627 Bytes #281 (0) @ WW
BID : 4070_KM6JTD
Read: GUEST
Subj: Best Settings for KiSS/NETROM Radio Port
Path: SR8BBS<SR1BSZ<IW0QNL<HB9ON<IW8PGT<I3XTY<I0OJJ<LU4ECL<LU9DCE<GB7YEW<
VE3CGR<KQ6UP<AB6MV<KM6JTD
Sent: 240201/1828Z @:KM6JTD.#SCA.CA.USA.NOAM #:4070 [Grand Terrace, CA]
>From kq6up%km6jtd.#sca.ca.usa.noam@kq6up.ampr.org Thu Feb 1 11:10:24 2024
Received: from kq6up.ampr.org by kq6up.ampr.org (JNOS2.0o.2) with SMTP
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Message-Id: <4070_KM6JTD@ab6mv.bbs>
>From: kq6up@km6jtd.#sca.ca.usa.noam
X-JNOS-User-Port: Circuit (MVBBS:AB6MV-1 AB6MV-1) -> Sending message
From: KQ6UP@KM6JTD.#SCA.CA.USA.NOAM
To : JNOS@WW
I am wondering what the best NETROM parameters for an effecient
netrom link over a 1k2bps link. My current setup is a but clunky
in comparison to a UROnode->BPQ32 link that I have on the same port.
I the link effeciency is decent ~80%, but a straight AX.25 -> AX.25 link
is much better. When I use NETROM->NETROM with the native linux
stack and say BPQ32, cannot tell the difference between that and
a plain vanilla AX.25 link, but with JNOS this process is slow.
Here is the pertenant settings for my autoexec.nos file:
NETROM/AX.25 Settings
attach asy ttyq5 - ax25 vhf 4096 255 9600
#
# Attach to the kernel multiplex AX.25 port
#
#attach baycom vhf 255 ax0
#
ifconfig vhf description "vhf - 1200 baud port"
#
param vhf 2 63
param vhf 3 1
param vhf 5 1
#
param vhf TxDelay 25
##################
start netrom
attach netrom
# Place your CALLSIGN and ALIAS (NetROM Nodename) here:
#
netrom alias NTSNOS # *MUST* be set the SAME as the 'ax25 alias'
netrom call K6HTN-3
#
#
# Only enable these if using BPQ AXUDP Internet links if they have
# been uncommented, above. This sets the initial routing 'weight' value.
##netrom interface EATON 192
##netrom interface SAGINW 192
##netrom interface GRNVLE 192
#
#
netrom interface axi0 203
netrom bcnodes axi0
netrom bcpoll axi0
#
netrom interface lb0 203
netrom bcnodes lb0
netrom bcpoll lb0
#
netrom interface vhf 192
netrom bcnodes vhf
netrom bcpoll vhf
#
pause 5
#
mode netrom vc # defauilt datagram
netrom minquality 161 # default 10
#netrom acktime 3000 # default 3000
#netrom choketime 180000 # default 180000
#
#netrom derate on # default on
netrom hidden off # default on
#netrom promiscuous off # default off
#
#netrom retries 10 # default 10
#netrom ttl 10 # default 10
#netrom window 4 # default 4
#netrom tdisc 0 # default 0
#
netrom timertype linear # default exponential
netrom irtt 15000 # default 45000
#netrom nodetimer 1800 # default 1800
#netrom obsotimer 2100 # default 2100
#netrom qlimit 2048 # default 2048
#
netrom g8bpq on # default off
#
netrom route sort alias
#
remark "***** NetROM configured *****"
73 de Chris KQ6UP
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