[App_rpt-users] RTCM question(s)
Alan Adamson
adamson_alan at hotmail.com
Mon Jun 11 19:06:19 UTC 2012
I occasionally get a connection lost/connect established almost back to back
on my RTCM at a remote site. This is on a hardwired IP connection (finally)
with pretty low latency and no significant packet loss in the audio on
either side.
e.g. here is my response rate from a remote ping to my RTCM
Pinging <host ipaddress> [64.16..] with 32 bytes of data:
Reply from 64.16..: bytes=32 time=60ms TTL=52
Reply from 64.16..: bytes=32 time=58ms TTL=52
Reply from 64.16..: bytes=32 time=103ms TTL=52
Reply from 64.16..: bytes=32 time=99ms TTL=52
Reply from 64.16..: bytes=32 time=81ms TTL=52
Reply from 64.16..: bytes=32 time=74ms TTL=52
Reply from 64.16..: bytes=32 time=96ms TTL=52
Reply from 64.16..: bytes=32 time=64ms TTL=52
Reply from 64.16..: bytes=32 time=57ms TTL=52
Reply from 64.16..: bytes=32 time=65ms TTL=52
Reply from 64.16..: bytes=32 time=63ms TTL=52
Reply from 64.16..: bytes=32 time=150ms TTL=52
.
.
.
Ping statistics for 64.16..:
Packets: Sent = 37, Received = 37, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 57ms, Maximum = 150ms, Average = 87ms
2 questions. Is there some way to set a time display on the messages on an
RTCM when it isn't connected to a GPS, I can't tell how long the duration
is between the back to back messages because all I get is as follows.
<System Time Not Set> ERROR! Host response timeout
<System Time Not Set> Host Connection Lost (Pri) (24.99.5x.xxx)
<System Time Not Set> Using Primary Voter Host (24.99.5x.xxx)
<System Time Not Set> Host Connection established (Pri) (24.99.5x.xxx)
This is a single RTCM running in simple radio interface mode.
Can you run an RTCM in simple mode and still connect it to a GPS? Will that
set it's time locally?
Is there any way to set a parameter to lengthen the timeout timer in either
the voter.conf file or the RTCM configuration? I'm sure we are only talking
about a few milliseconds difference is all that's needed.
Thanks in advance,
Alan
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