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ZL3AI > APRDIG 12.05.07 02:16l 241 Lines 9236 Bytes #999 (0) @ WW
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Subj: [APRSSIG] Vol 34 #31, 3/3
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From: ZL3AI@ZL2BAU.#79.NZL.OC
To : APRDIG@WW
Message: 11
Date: Sun, 29 Apr 2007 21:27:55 -0400
From: Steve Dimse <steve_at_dimse.com>
Subject: Re: [aprssig] APRS Coverage in Key West
On Apr 29, 2007, at 6:50 PM, Joel Maslak wrote:
>I doubt that the stations in question are violating any rules.
>That said, I will play devil's advocate for a bit...
>
>That said, the rules do specify that you can't get paid for
>operating (although setup is not specified), nor can a station
>usually transmit communication on the behalf of an employer. So
>the control operator probably should be someone who doesn't work at
>the county. (97.113.a.2-3)
I disagree with that assessment, though as I say, in this case it is a
volunteer. However, for many years it was the county comm director who was
the licensee. This rule applies to actual operating, not serving as the
legal control operator for an "automatically controlled telemetry station".
>In addition, one of the prohibited forms of communication is
>(97.113.a.5): "Communications, on a regular basis, which could
>reasonably be furnished alternatively through other radio services."
Is there a single communication in APRS, or for that matter ham radio in
general, that cannot be furnished through other radio services? With cell
phones, wireless internet, marine HF, FRS, et. al., all of ham radio is
illegal under this rule!
Steve K4HG
------------------------------
Message: 12
Date: Sun, 29 Apr 2007 19:38:44 -0700
From: "Greg D." <ko6th_greg_at_hotmail.com>
Subject: Re: [aprssig] What settings for igate?
Hi Curt,
Thanks for the info!
More questions, below...
Greg.
----Original Message Follows----
From: Curt Mills <archer_at_eskimo.com>
On Sat, 28 Apr 2007, Greg D. wrote:
>>Currently I am only transmitting my fixed position once/hr, with a "house"
>>icon. I see xastir settings under Interface control->Properties to gate RF
>>to Internet, and to set the unproto paths. Presumably I just check the RF to
>>Internet only box, as my station is not very high level and wouldn't be a help
>>going the other direction. The first unproto path is set to WIDE2-1, and the
>>others are blank. Is this correct? I think most of the other settings are
>>pretty much default. Anything I should change or verify before turning it
>>on?
>I'd change it to send your position once/30 minutes, as many
>stations out there will expire you after 30 minutes. I believe
>UI-View is this way, which is by far the most popular client out
>there.
Ah, ok. I had changed it to the max (60min) to lessen the load on the
system, since my info doesn't change much. Guess I went too far.
>Also: To gate to the internet you need to set that mode in the
>File->Configure->Defaults dialog and on the particular interface
>you're using for your TNC. This is so that you can have multiple
>interfaces out there and decide the gating direction/enabling for
>each interface individually. Turn off the global one
>(Configure->Defaults) and they all stop gating.
Ok, found that. But, there are three options in the next frame down
that are currently not checked:
- Transmit compressed objects/items
- Activate Alternate Net
- Disable posit dupe-check
I assume I leave them off?
There is also a field for typing in a string, but it's not labeled.
What goes there? Currently is says "XASTIR".
>You might want to gate in both directions, as this then helps people
>to use APRS messaging. By default the only things that will get
>gated to RF are messages and ack's, not all the packets you receive
>via the internet. If you like you can decide to gate certain NWS
>weather alerts to RF as well. How to do that is in the docs. Just
>grep for "nws-stations.txt" through the files.
I guess I'm skeptical about how much value this would have, since I
live in a bit of a hole. We're by a creek, so by definition I have hills
on two sides. The antenna currently is a twin lead Jpole hanging
on the wall in the shack, on the first floor of the house. Height above
ground is maybe 8', depending on where you measure to. Height
above the street level is about zero (the lot slopes down). Power is
5 watts. There is a good digi and igate 21.3 miles from here (K6FGA-1)
on Banner Mt. Fortunately, it is down stream, so I can hit it reliably.
Is adding my little 5w station to the RF clutter a benefit or just more
QRM?
I guess the program knows where on the Internet to aim the traffic,
as I see no place to configure it.
One more question: A number of the postings related to old vs new
addressing (wide vs wide n-n) talk about needing to upgrade the
hardware (TNC, presumably). Is my MFJ TNC ok, needing new
software, or does this even matter when using XASTIR?
MFJ ENTERPRISES INC
MODEL NO. MFJ-1278B
MULTIMODE DATA CONTROLLER-Enhanced BBS
AX.25 Level 2 Version 2.0 + Host Mode
Release 4.1 09/17/93 - 32+12160K RAM Multilevel
------------------------------
Message: 13
Date: Sun, 29 Apr 2007 22:10:23 -0700
From: "Eric Goforth" <eric_at_goforthtech.com>
Subject: RE: [aprssig] Objects on APRS
One thing that can be an option though is to contact your nearby iGate
operator and request that they push the posit out for you.
Here in the Palm Springs, CA area, my iGate (K6KIT-11) watches for the
IRLP3180 (AK6E-15) and pushes it out via a single hop through the local
digi (INDIO).
Eric J. Goforth, N6GOF
www.APRSDEPOT.com
-----Original Message-----
>
>Hi Guys,
>
>I would like to remind everyone that IRLP, Voice Repeater, Etc. Objects
>that are put on an APRS Gateway node are great. But to put them out when
>your only connection is to the APRS-IS system is counter productive. I have
>been noticing a few in the northwest have been doing this, thinking an
>Igate will pick them up and put them out.
------------------------------
Message: 14
Date: Mon, 30 Apr 2007 07:33:45 -0500
From: "Edwards, Chris" <cedwards_at_trane.com>
Subject: [aprssig] APRS units needed for Race June 3rd
Hello All,
We have a half iron man race coming up in Macon, GA on June 3rd. I am
still trying to get people in our local clubs to help with getting some
aprs trackers and digis together, but I have not had much response. I
wanted to ask on the big list if you are in the area of Middle Georgia
if you would be willing to let us use some of your APRS gear.
In total I am still in need of at least 2 trackers and at least 2 more
digis. We will be in a hilly area and I know that we have to cover the
area in order for our trackers to work well. Please respond to me at
ae4xo_at_arrl.net and we will chat.
Thanks!
Chris AE4XO
------------------------------
Message: 15
Date: Mon, 30 Apr 2007 08:13:06 -0700
From: scott_at_opentrac.org
Subject: Re: [aprssig] Help for course/speed/altitude etc HF APRS
OpenTracker+, not the OpenTracker 1x. Close! The number at the end
indicates the case style. The original OpenTracker was the OT1, the metal
case is the OT1m, and the longer, opaque plastic case is the OT1x. The new
case style is an 'r' suffix in my own drawings and documentation, but it's
the only one so far so I didn't want to confuse things further.
The important thing is that all OpenTracker 1 series kits take the same
processor and the same firmware. The plus kits have a new processor and
new firmware.
Scott
N1VG
_____
>From: Curt Mills [mailto:archer_at_eskimo.com]
>To: TAPR APRS Mailing List [mailto:aprssig_at_lists.tapr.org]
>Sent: Sat, 28 Apr 2007 23:53:05 -0700
>Subject: Re: [aprssig] Help for course/speed/altitude etc HF APRS
>
>On Sun, 29 Apr 2007, Jack Chomley wrote:
>
>>I should have looked in the manual further :-) Looks like I can run the TM1+
>>in NMEA mode and simply select a transmit timer value, so it does not continue
>>to broadcast EVERY sentence the TM1+ gets from the GPS.
>
>Yea but: Check out the length of a GPRMC or GPGGA sentence compared
>to the length of a normal APRS sentence. Now check any of those
>against Base-91 Compressed or Mic-E Compressed sentences.
>
>FWIW: The success rate of your packets getting decoded by other
>stations depends greatly on the length of those packets. The
>shorter your packets are, the more will be received correctly.
>
>NMEA sentences over the air are nearly the worst packets you can
>send, length-wise. I think the only ones that are worse are nice
>long weather packets, or any packet with extensive comments at the
>end.
>
>If the TM1+ can do Base-91 Compressed or Mic-E packets, select that
>instead. If they can do Standard APRS packets instead of GPGGA or
>GPRMC packets, you still win.
>
>You might investigate getting an Opentracker 0T1x or Tracker2 to do
>this instead, and use it in Base-91 mode. OT1x kits are quite
>inexpensive, and the latest OT1x version added receive capability.
>I hope I got that model number right!
>
>--
>Curt, WE7U. archer at eskimo dot com
>http://www.eskimo.com/~archer
>Lotto: A tax on people who are bad at math. - unknown
>Windows: Microsoft's tax on computer illiterates. - WE7U.
>The world DOES revolve around me: I picked the coordinate system!"
------------------------------
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