[Xastir] Telemetry messages here in St. Louis

Bill Bird billbird at cal.berkeley.edu
Wed Jan 4 10:30:56 PST 2017


Thanks Lynn.

I do not see NWS messages as APRS messages with Xastir.  I have modified 
my filter parameters on the server missouri.aprs2.net to: r/38/-90/200 
-b/ka0att-10/n9pbd-15   I'll see if this keeps the telemetry definition 
messages from filling up my messages window.

73,

Bill
KG0YJ

On 1/4/2017 11:11 AM, Lynn W. Deffenbaugh (Mr) wrote:
> Both of those stations are running >APMInn where one is 03 and the 
> other is 06.  http://aprs.org/aprs11/tocalls.txt shows that this is 
> SQ3PLX and provides a URL of http://microsat.com.pl/
>
> The telemetry definitions are correctly being sent as APRS messages, 
> although the frequency of transmitting those definitions is a bit 
> much.  KA0ATT-10 is transmitting them every 15 minutes and N9PBD-15 is 
> once per hour.  Given that the definitions don't change, I would 
> consider once per hour to be about the most frequent that I'd ever 
> consider.  I believe I have them transmit from APRSISCE/32 once per 
> day as a default, although the user can configure it.
>
> I don't run xastir, but it sounds like it is not catching these 
> "special" telemetry definition messages, but it treating them as 
> "normal" APRS messages that the user would want to see as messages. It 
> would take a source modification to internally process and suppress 
> these telemetry definitions from the normal APRS message displays.
>
> Question: does xastir also show you NWS messages as APRS messages or 
> are they internally processed and suppressed from user display?
>
> Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32
>
> On 1/4/2017 11:48 AM, Bill Bird wrote:
>> Hi,
>>
>> It looks like the T#016 did not show up as an APRS message.  I 
>> probably copied that packet off of the aprs.fi website which I used 
>> to study the various packets.  The two callsigns I am receiving which 
>> involve telemetry are:  KA0ATT-10, and N9PBD-15.
>>
>> Bill
>> KG0YJ
>>
>> On 1/4/2017 10:02 AM, Lynn W. Deffenbaugh (Mr) wrote:
>>> The PARM, UNIT, EQNS messages are telemetry definitions, not actual 
>>> telemetry.
>>>
>>> Was the T#016 actually sent in an APRS message?  That's actual 
>>> telemetry and if it is in a message, then it's coming from a 
>>> non-spec-compliant APRS program.  If you can give us the 
>>> callsign-SSID or at least the >ToCall, we can find out what software 
>>> is doing this.
>>>
>>> Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32
>>>
>>> On 1/4/2017 10:43 AM, Bill Bird wrote:
>>>> Hi,
>>>>
>>>> I am running Xastir Version 2.0.9 here in the St. Louis, MO vicinity.
>>>> I am connected to both rf and the internet.  On the internet I use a
>>>> filter of r/38/-90/200.  I like to view the map, the incoming packets,
>>>> and messages so I normally have three windows open on one monitor.
>>>>
>>>> There a couple of stations that send telemetry data from their station
>>>> to their station as a message.  This series of messages is usually
>>>> about four in a sequence and happens a few times each hour. One
>>>> station uses rf and the other uses TCPIP for their telemetry. I would
>>>> prefer to not see these messages in my messages window as they tend to
>>>> fill the message window and not allow me to see the few actual APRS
>>>> user messages unless I scroll.
>>>>
>>>> In the past I have eliminated the telemetry messages by using Xastir
>>>> to limit my viewing of messages to a fourteen mile radius - but I
>>>> don't like to do that as I miss many other actual local messages
>>>> between various hams.
>>>>
>>>> Is there a way to filter out messages from these two stations that are
>>>> sending telemetry data to their own callsign?
>>>>
>>>> Why are these two stations sending "site operational data" to
>>>> themselves via APRS.  Is this proper use?
>>>>
>>>> Here is some of the data being sent.  I am leaving out callsigns.
>>>>
>>>> PARM.Vin,Rx1h,Dg1h,Eff1h,Temp,O1,O2,O3,O4,I1,I2,I3,I4
>>>> UNIT.Volt,Pkt,Pkt,Pcnt,F,On,On,On,On,Hi,Hi,Hi,Hi
>>>> EQNS.0,0.075,0,0,10,0,0,10,0,0,1,0,0,0.9,-83.2
>>>> T#062,164,107,011,076,128,00000000
>>>>
>>>> Thanks,
>>>>
>>>> Bill
>>>> KG0YJ
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>>>
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