Re: [Xastir] IGating APRS OBJECTS?
Thanks that did it! There's a lot of "conflicting" information when one forgets to look at the dates of email lists (like in 2003 this wouldn't have worked!) Also is there a master list of the nws stations some place with all the varients for different warnings and watches and the like? Tried a few google searches but couldn't find anything in 30 seconds or less... :) -Marek On Thu, 6 Mar 2008, Curt, WE7U wrote: See "README" and the Xastir online help (inside the program itself, the "Configure Default Operation" section) WRT the nws-stations.txt file. This is the file which tells Xastir which "FROM" callsigns to gate data to RF for. By default Xastir only gates messages and message ack's/nak's to/from RF if you enable the INet->RF options. ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating APRS OBJECTS?
On Thu, 6 Mar 2008, Marek Kozubal wrote: > My station is W1CLA-1 and the raw packet from the script looks like this > (taken from FindU after it went out on the net): > W1CLA-1>APVR30,TCPIP*,qAC,T2POLAND:;IRLP-4942*061745z4218.46NI07108.24W0446325-146IDLE > > Ideally any of these sorts of OBJECTs that come through I think should be > forwarded to RF since there are at least 3 other of these nodes near by. > > Under the interface settings for the TNC, i have > > Path 1: APX190 via WIDE2-2 > Path 2: APX190 via is blank > Path 3: APX190 via is blank > IGate -> RF Path: WIDE2-2 > > and allow INet->RF & RF->INet is selected. Enable that for each interface (Properties dialog) you wish to transmit the stuff, plus enable the same option in File->Configure->Defaults. See "README" and the Xastir online help (inside the program itself, the "Configure Default Operation" section) WRT the nws-stations.txt file. This is the file which tells Xastir which "FROM" callsigns to gate data to RF for. By default Xastir only gates messages and message ack's/nak's to/from RF if you enable the INet->RF options. -- Curt, WE7U: XASTIR: "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! ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
Earl Needham wrote: At 03:20 PM 8/25/2007, James Ewen wrote: It's really hard to make good comments on a system that you can only observe via the APRS-IS, without any knowledge of the local terrain. Wow, it's GREAT to see somebody finally acknowledge this! I've been trying to tell people that for maybe 10 years over on the APRSSIG and they just don't seem to get it. 7 3 Earl KD5XB -- Earl Needham Clovis, New Mexico DM84jk http://groups.yahoo.com/group/cw_bugs Quoting from the Coast Guard: ZUT Yea Earl, but you guys are pretty flat over in that part of the alley. Here, we have the plateau to the west, the mountains on the east and the broad canyon or valley in between. In El Paso, their city is divided pretty much down the middle by Mt. Franklin. Las Cruces and White Sands Missile Range is divided by the Organ Mountains, and Albuquerque and their surrounding area all have mountains to contend with. Then we have all of us wonderful ham guys wanting their station to be seen, not to mention the passer-by's and the occasional balloon.:-) So, the low down is that more IGates are needed in populated places, and less digi's? Steve ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
James Ewen wrote: The best thing anyone can do for their local RF network is user education. Teach people that long paths are not required. Get them to reduce thier impact on the local network, and more people will be able to play, as well as the network reliability will increase. It's a tough job, but it needs to be done everywhere. James VE6SR You are correct on all of your statements, especially on the above. I have seen some mobiles that are set up for 5 repeats, or hops as I call them. One that I know of is using a 30 watt transmitter sending the signal from a tinytrack. My wife's car uses a TT3, with a Kenwood set at 1 to 2 watts out. She usually gets clobbered by the high power stuff. I run 5 watts, but only because the radio I am using won't go lower than that. I still get covered up in town. Steve/WM5Z ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
Hi Alex - I don't think so. Once a server receives the packet it will not send on the same packet if it hears it come in from a different igate or server. Imagine this: One server (we'll call it "A") has 5 different igates connected to it from one area and another server (we'll call it "B") has 5 more igates connected. This would represent a simplified (and probably exaggerated) version of what we have now. The way it works now, A hears a packet from K1ABC. It's not seen this packet before so it sends it to B. Shortly afterwards, A hears the packet from another igate. It's a duplicate so it's discarded. Shortly afterwards, B hears the same packet from one of the igates connected to it. It's also an duplicate so it's dropped. And so on. The totals: The packet is sent from A to B one time and from B to A zero times. In the event that A and B hear it at the same time it could be sent from B to A once as well, but no more. If we send *all* packets then the packet would be sent from A to B five times and from B to A five times. This is a 5-fold increase in traffic in the A to B direction and at least that in the B to A direction. Now imagine this on a larger scale. Thousands of stations. 30+? Servers. Hundreds of igates. This is starting to get off-topic for the list - if you'd like to continue the conversation please feel free to email me direct. On 8/25/07, Alex Carver <[EMAIL PROTECTED]> wrote: > > --- Matt Werner <[EMAIL PROTECTED]> wrote: > > > On 8/25/07, Alex Carver <[EMAIL PROTECTED]> wrote: > > > > > In that same train of thought, it would be nice if > > the > > > APRS-IS could show the duplicate packets instead > > of > > > discarding them. Then you possibly _could_ get a > > > better understanding of the RF network by watching > > how > > > a packet propagates and duplicates itself. > > > > Just imagine the additional load on the network if > > that were the case. > > In some areas a packet could be heard by many many > > different igate by > > the time it takes it two or three hops. That would > > easily have the > > potential of increasing the network traffic by 5x or > > more I would > > think. > > > The load is already there. The servers are comparing > all the packets looking for duplicates and then > discarding the duplicates. So the load on the network > shouldn't go up at all. Rather you'd simply be making > visible a portion of the traffic that is otherwise hidden. > > > > > Be a better Globetrotter. Get better travel answers from someone who knows. > Yahoo! Answers - Check it out. > http://answers.yahoo.com/dir/?link=list&sid=396545469 > ___ > Xastir mailing list > Xastir@xastir.org > http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir > ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
At 05:43 PM 8/25/2007, James Ewen wrote: On 8/25/07, Earl Needham <[EMAIL PROTECTED]> wrote: > At 03:20 PM 8/25/2007, James Ewen wrote: > >It's really hard to make good comments on a system that you can only > >observe via the APRS-IS, without any knowledge of the local terrain. > > Wow, it's GREAT to see somebody finally acknowledge > this! I've been trying to tell people that for maybe 10 years over > on the APRSSIG and they just don't seem to get it. Earl, your memory is short... We've been over this before. You just want to see all that activity way out in the boonies where you live. You need to move to the big city so you can live in an overloaded network. Some people would love to have a few seconds of Clovis activity levels every minute. 8) I know that's 100% right! I guess I'm fortunate that all I can see from here are about 20 digipeaters around the state of New Mexico, and perhaps a dozen stations when everything works "right". 7 3 Earl KD5XB -- Earl Needham Clovis, New Mexico DM84jk http://groups.yahoo.com/group/cw_bugs Quoting from the Coast Guard: ZUT ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
On 8/25/07, Earl Needham <[EMAIL PROTECTED]> wrote: > At 03:20 PM 8/25/2007, James Ewen wrote: > >It's really hard to make good comments on a system that you can only > >observe via the APRS-IS, without any knowledge of the local terrain. > > Wow, it's GREAT to see somebody finally acknowledge > this! I've been trying to tell people that for maybe 10 years over > on the APRSSIG and they just don't seem to get it. Earl, your memory is short... We've been over this before. You just want to see all that activity way out in the boonies where you live. You need to move to the big city so you can live in an overloaded network. Some people would love to have a few seconds of Clovis activity levels every minute. 8) James VE6SRV ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
On 8/25/07, Alex Carver <[EMAIL PROTECTED]> wrote: > In that same train of thought, it would be nice if the > APRS-IS could show the duplicate packets instead of > discarding them. Then you possibly _could_ get a > better understanding of the RF network by watching how > a packet propagates and duplicates itself. It would be great to have a port that shows all unfiltered packets in real time. I think people would be shocked to see just how far their packets travel. The reason for filtering is to reduce the amount of packets being stored in the database. Even at that, the findu.com database doesn't store a whole lot of history any more. James VE6SRV ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
--- Matt Werner <[EMAIL PROTECTED]> wrote: > On 8/25/07, Alex Carver <[EMAIL PROTECTED]> wrote: > > > In that same train of thought, it would be nice if > the > > APRS-IS could show the duplicate packets instead > of > > discarding them. Then you possibly _could_ get a > > better understanding of the RF network by watching > how > > a packet propagates and duplicates itself. > > Just imagine the additional load on the network if > that were the case. > In some areas a packet could be heard by many many > different igate by > the time it takes it two or three hops. That would > easily have the > potential of increasing the network traffic by 5x or > more I would > think. The load is already there. The servers are comparing all the packets looking for duplicates and then discarding the duplicates. So the load on the network shouldn't go up at all. Rather you'd simply be making visible a portion of the traffic that is otherwise hidden. Be a better Globetrotter. Get better travel answers from someone who knows. Yahoo! Answers - Check it out. http://answers.yahoo.com/dir/?link=list&sid=396545469 ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
On 8/25/07, Alex Carver <[EMAIL PROTECTED]> wrote: > In that same train of thought, it would be nice if the > APRS-IS could show the duplicate packets instead of > discarding them. Then you possibly _could_ get a > better understanding of the RF network by watching how > a packet propagates and duplicates itself. Just imagine the additional load on the network if that were the case. In some areas a packet could be heard by many many different igate by the time it takes it two or three hops. That would easily have the potential of increasing the network traffic by 5x or more I would think. ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
--- Earl Needham <[EMAIL PROTECTED]> wrote: > At 03:20 PM 8/25/2007, James Ewen wrote: > >It's really hard to make good comments on a system > that you can only > >observe via the APRS-IS, without any knowledge of > the local terrain. > > Wow, it's GREAT to see somebody finally > acknowledge > this! I've been trying to tell people that for > maybe 10 years over > on the APRSSIG and they just don't seem to get it. > > In that same train of thought, it would be nice if the APRS-IS could show the duplicate packets instead of discarding them. Then you possibly _could_ get a better understanding of the RF network by watching how a packet propagates and duplicates itself. Moody friends. Drama queens. Your life? Nope! - their life, your story. Play Sims Stories at Yahoo! Games. http://sims.yahoo.com/ ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
At 03:20 PM 8/25/2007, James Ewen wrote: It's really hard to make good comments on a system that you can only observe via the APRS-IS, without any knowledge of the local terrain. Wow, it's GREAT to see somebody finally acknowledge this! I've been trying to tell people that for maybe 10 years over on the APRSSIG and they just don't seem to get it. 7 3 Earl KD5XB -- Earl Needham Clovis, New Mexico DM84jk http://groups.yahoo.com/group/cw_bugs Quoting from the Coast Guard: ZUT ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
On 8/25/07, Greg Eigsti <[EMAIL PROTECTED]> wrote: > I think we are both agreeing that the DB0ANF tool is better for > looking at iGate activity than Findu. Not because the data is > different but because the DB0ANF tool allow you to view the data > differently. Most definitely. Presentation of the data allows you to observe different aspects of the same information. Findu does not allow much more than observation of the raw data, or a simple map. > I am not convinced that the data is *the same*. Granted it may come > from the same source but local conditions may cause the data to > differ slightly (e.g. server problems, connectivity issues, software > bugs, etc.). No necessarily local conditions, but quite probably network conditions. Findu used to run on a single machine, and that machine was the only collection point for the APRS-IS data. Now there are 3 machines that findu runs on, with multiple tier-one servers, and a multitude of tier 2 servers. Where exactly DB0ANF pulls his data from is unknown. While the APRS servers are designed to share all the data, and in an ideal world no packets would ever get lost, I beleive they all share data via UDP rather than TCP. This means that there are no acknowledgement packets sent. This is how APRS works on RF as well, send and forget. It is possible that a few packets get stomped in the APRS-IS, which is why I think you see discrepencies between findu and DB0ANF's servers. > From my experiment(s) yesterday I still am not > understanding why DB0ANF showed my last packet sent and Findu did not > - this makes me think there are (or were) problems at Findu. If you > can explain away this issue in a way that a dumb monkey like myself > can understand I'd be grateful! Hey, I'm just another dumb monkey over here too! Just stay away from my pile of bananas! James VE6SRV ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
On 8/25/07, Steve Friis <[EMAIL PROTECTED]> wrote: > The hope is that the El Paso, Local an URFMS digi's will lower the hops > they retransmit. > See my comment above. I was not thinking that supposition, but the way I > worded my first comment I can see how you would think that is what I meant. Aha... now I understand what you meant, not what you typed. Yes, if you provide an i-gate locally, those who's sole purpose is to be seen via the internet can use shorter paths, and by doing so, reduce the total RF load on the network as a whole. Indeed, you've got the concept. > Right now, as far as I know, I am the only station IGate equipped in Las > Cruces. I think that is why El Paso set their digi's for so many hops. Okay, here's another amibuous interpretation... What do you mean by the last sentence? The digipeaters don't control how many hops other set their paths to. If the digipeaters are set to a large outgoing path, it only affects the packets sent by them, not packets being digipeated. Now, under the new n-N paradigm, we suggest blocking long paths, by trapping them with the aliases programmed into the UIDIGI algorithm in the KPC-3 TNCs. It's really hard to make good comments on a system that you can only observe via the APRS-IS, without any knowledge of the local terrain. El Paso appears to have 2 digipeaters. ELPASO appears to be located on a ridge overlooking the city, with a good view of just about everywhere. It is using the proportional path concept to keep it's own load down on the network. ELPNE looks like it is a redundant digipeater. It's only a couple miles NE of ELPASO, in an area that should have excellent coverage by the ELPASO digi. The proportional path used by ELPNE shows me that the operator does not fully understand the new n-N paradigm, as he has an outgoing path of WIDE1-1, which would trigger home fill-in digipeaters. A main digipeater should never ask for help from the fill-in digis. Siting two digipeater close together in overlapping coverage areas causes a large decrease in the amount of available airtime, and is a detriment to the APRS network as a whole, rather than contributing to the network. The local network appears to support up to 4 hops. With digipeaters situated on mountaintops, 4 hops can cover a huge distance. I see JACKPK being heard by BENRDG 250km away which is it's most common access to the APRS-IS. With the amount of activity I can see around there, I highly doubt that 4 hops are needed by anyone. 2 hops in the area would get just about anyone to an i-gate, and also heard via RF over a huge area. > This is true. There is a digi on Mt. Franklin which is in El Paso. The > Upper Rio Grand FM Society has many interconnected digi-peaters in the > area, but because of location, can not directly IGate. This is because > of the remoteness of the mountain tops, and the expense of trying to run > a dedicated phone line to run the internet. These digi's do a fantastic > job at what they are supposed to do, which is to repeat, so they can be > heard by an IGate. ELPASO is only 9.4 km from an i-gate which it hits very well, and gets i-gated through over 90% of the time. The remote digipeaters don't need internet access directly, you have a lot of i-gates in the area. You also have lots of stations using paths that cover huge distances. Take a look at how far ELPASO hears stations. http://www.db0anf.de/app/aprs/stations/digiusermap-ELPASO The best thing anyone can do for their local RF network is user education. Teach people that long paths are not required. Get them to reduce thier impact on the local network, and more people will be able to play, as well as the network reliability will increase. It's a tough job, but it needs to be done everywhere. James VE6SRV ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
Looking at the DB0ANF page I realized that the report is named "APRS Stations using USAM as their Digi / Uplink" - this appears to mean that the report shows stations that were either digi'ed OR iGated by a particular station. So it appears that I was in error to believe that DB0ANF reports only on who your station iGates - it also includes the stations that you digi as well. This still does not answer yesterday's question about stale data on Findu (ran the experiment again today and Findu/DB0ANF are showing parity). Now my question is why are my packets not being put on the internet by my local iGate and being put on the internet by another after being digi'ed by my iGate/digi??? I guess it is time to take an in depth look at Xastir's iGate logging capabilities. That will have to wait for a bit though as life has other duties for me to complete first ;) Greg On Aug 25, 2007, at 10:55 AM, James Ewen wrote: On 8/24/07, Greg Eigsti <[EMAIL PROTECTED]> wrote: How do I use Findu to see if I am IGating? The tool mentioned by VE7MKF is a better iGate 'test' than Findu. However if you know you are iGating someone (or think you are) you can look them up in findu and see their raw data. Just change the callsign to the one that you are interested in... Greg, You have made an incorrect supposition above. The information seen at DB0ANF and at findu.com are the same. You will not find more information about who has i-gated a station via findu than you will at DB0ANF. The both use the same source of packets. The APRS-IS filters duplicate packets as they are received. Only the first packet received by the APRS-IS is kept. Any duplicates of that same packet are dropped. If you look at raw data for a station via any internet server, you will only see one copy of the packet, unless for some reason the packet has been mangled somewhere along the way. We run 3 or 4 i-gate stations in Edmonton. My station has a good vantage point, and usually is the first to gate to the internet. When my Windows based station locks up, then you will see stations gated by VE6AEW. When his station is turned off, you might see stations gated by VE6PS. When all the stations are up and running, only the first station to gate to the internet is the one seen. High altitude balloon launches show this phenomenon quite well. Our SABLE-III balloon launch on Aug 11 under the call VA6TNY-11. If you look at the historical track of that callsign at http://aprs.he.fi, you will see that it was gated by my station, VE6DJJ in Calgary, VE6BLK on Grande Prairie, VE6CNO in Crowsnest Pass, and even VE7EOK, and VE7CHW in Kamloop, BC. Kamloops is 600 km away. The balloon was heard by many more stations that act as i-gates, but only the first to gate to the internet is recorded by the APRS-IS. Go to file and click the button beside IGate logging. Enable IGate logging Logs all data forwarded in both directions, and rejected forwards with reasons for rejection. Includes NWS messages forwarded to RF. Your log file will then show you if you are or are not gating to the internet. James VE6SRV ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
James Ewen wrote: On 8/24/07, Steve Friis <[EMAIL PROTECTED]> wrote: Way cool. Since the RF pollution is so high here, I am trying to lower it some to that low power stations can be heard, or at least stand a chance. Steve, Another incorrect supposition. Adding i-gating to your station will not lower the amount of noise on the RF network directly. As it has been, there was not much chance for the low power stations in this area getting heard. My hope is that once heard and gated here, then the need to repeatedly be digipeated will be lowered. By running an i-gate you will be able to help those low powered stations located close to you to get to the APRS-IS internet stream. You will not help lower the amount of traffic on RF though. The hope is that the El Paso, Local an URFMS digi's will lower the hops they retransmit. The amount of traffic on the local RF network is a product of the number of stations in your area, the frequency of the beacons from those stations, the path used by those stations, and finally the RF digipeater network in your area. It sounds like you have made the supposition that once a packet from the RF network gets i-gated, that the packet stops on the RF network. The RF network has no way of knowing anything about the internet. If your local RF network has too many overlapping digipeaters that don't support the new n-N paradigm, used by local users that use old RELAY,WIDE paths, who beacon too often and with their power set too high, then the low powered guys don't stand a chance. See my comment above. I was not thinking that supposition, but the way I worded my first comment I can see how you would think that is what I meant. You can fix any or nearly all of the above, which will make things a little better for the low powered trackers, but the best thing to do is to try and fix all of it. Of course that's easier said than done. Adding more i-gates does not hurt the network, especially if you don't send anything from your station to the rf network. Having redundant i-gates in an area helps with the reliability of stations getting to the APRS-IS. This can possibly help reduce the RF overload IF people see that using a shorter path still gets them heard on the APRS-IS, and that is their ultimate goal. If those stations use a shorter path, or lower power, then the RF load gets reduced as a side effect. Right now, as far as I know, I am the only station IGate equipped in Las Cruces. I think that is why El Paso set their digi's for so many hops. You are in a very well developed area, and most likely you have digipeaters located on mountain tops that can hear very large areas, as well as users using long paths. This all adds up to too many stations being heard on a limited RF channel. This is true. There is a digi on Mt. Franklin which is in El Paso. The Upper Rio Grand FM Society has many interconnected digi-peaters in the area, but because of location, can not directly IGate. This is because of the remoteness of the mountain tops, and the expense of trying to run a dedicated phone line to run the internet. These digi's do a fantastic job at what they are supposed to do, which is to repeat, so they can be heard by an IGate. Keep your station acting as an i-gate, but keep your outgoing path short, and beacon frequency low so you don't add to the RF congestion. James VE6SRV Thank you very very much for your guidance. I always appreciate a good elmer. Steve/WM5Z ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
On 8/24/07, Steve Friis <[EMAIL PROTECTED]> wrote: > Way cool. Since the RF pollution is so high here, I am trying to lower > it some to that low power stations can be heard, or at least stand a > chance. Steve, Another incorrect supposition. Adding i-gating to your station will not lower the amount of noise on the RF network directly. > As it has been, there was not much chance for the low power > stations in this area getting heard. My hope is that once heard and > gated here, then the need to repeatedly be digipeated will be lowered. By running an i-gate you will be able to help those low powered stations located close to you to get to the APRS-IS internet stream. You will not help lower the amount of traffic on RF though. The amount of traffic on the local RF network is a product of the number of stations in your area, the frequency of the beacons from those stations, the path used by those stations, and finally the RF digipeater network in your area. It sounds like you have made the supposition that once a packet from the RF network gets i-gated, that the packet stops on the RF network. The RF network has no way of knowing anything about the internet. If your local RF network has too many overlapping digipeaters that don't support the new n-N paradigm, used by local users that use old RELAY,WIDE paths, who beacon too often and with their power set too high, then the low powered guys don't stand a chance. You can fix any or nearly all of the above, which will make things a little better for the low powered trackers, but the best thing to do is to try and fix all of it. Of course that's easier said than done. Adding more i-gates does not hurt the network, especially if you don't send anything from your station to the rf network. Having redundant i-gates in an area helps with the reliability of stations getting to the APRS-IS. This can possibly help reduce the RF overload IF people see that using a shorter path still gets them heard on the APRS-IS, and that is their ultimate goal. If those stations use a shorter path, or lower power, then the RF load gets reduced as a side effect. You are in a very well developed area, and most likely you have digipeaters located on mountain tops that can hear very large areas, as well as users using long paths. This all adds up to too many stations being heard on a limited RF channel. Keep your station acting as an i-gate, but keep your outgoing path short, and beacon frequency low so you don't add to the RF congestion. James VE6SRV ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
On 8/24/07, Greg Eigsti <[EMAIL PROTECTED]> wrote: > > >>How do I use Findu to see if I am IGating? > > > > The tool mentioned by VE7MKF is a better iGate 'test' than Findu. > However if you know you are iGating someone (or think you are) you > can look them up in findu and see their raw data. Just change the > callsign to the one that you are interested in... Greg, You have made an incorrect supposition above. The information seen at DB0ANF and at findu.com are the same. You will not find more information about who has i-gated a station via findu than you will at DB0ANF. The both use the same source of packets. The APRS-IS filters duplicate packets as they are received. Only the first packet received by the APRS-IS is kept. Any duplicates of that same packet are dropped. If you look at raw data for a station via any internet server, you will only see one copy of the packet, unless for some reason the packet has been mangled somewhere along the way. We run 3 or 4 i-gate stations in Edmonton. My station has a good vantage point, and usually is the first to gate to the internet. When my Windows based station locks up, then you will see stations gated by VE6AEW. When his station is turned off, you might see stations gated by VE6PS. When all the stations are up and running, only the first station to gate to the internet is the one seen. High altitude balloon launches show this phenomenon quite well. Our SABLE-III balloon launch on Aug 11 under the call VA6TNY-11. If you look at the historical track of that callsign at http://aprs.he.fi, you will see that it was gated by my station, VE6DJJ in Calgary, VE6BLK on Grande Prairie, VE6CNO in Crowsnest Pass, and even VE7EOK, and VE7CHW in Kamloop, BC. Kamloops is 600 km away. The balloon was heard by many more stations that act as i-gates, but only the first to gate to the internet is recorded by the APRS-IS. Go to file and click the button beside IGate logging. Enable IGate logging Logs all data forwarded in both directions, and rejected forwards with reasons for rejection. Includes NWS messages forwarded to RF. Your log file will then show you if you are or are not gating to the internet. James VE6SRV ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
Greg Eigsti wrote: >>How do I use Findu to see if I am IGating? The tool mentioned by VE7MKF is a better iGate 'test' than Findu. However if you know you are iGating someone (or think you are) you can look them up in findu and see their raw data. Just change the callsign to the one that you are interested in... Looking at Findu's raw data is a good way to force yourself to learn how to read raw APRS packets ;) Raw data for my truck http://www.findu.com/cgi-bin/raw.cgi?call=KD7UBJ-7 Visual data (map) for my truck http://www.findu.com/cgi-bin/find.cgi?call=kd7ubj-7 I'm also thinking that Findu is tweaked or at least the data is stale right now. I went out and blasted a packet from my truck to my iGate and Findu does not report it either via its raw or map page. However if I look at the www.db0anf.de page for my iGate I can see that it saw my iGate gating my truck very recently. Hmmm, anybody have any idea why Findu is stale (or why my brain is on vacation)? ;) Findu raw data for my truck http://www.findu.com/cgi-bin/raw.cgi?call=KD7UBJ-7 db0anf.de data for my USAM digi http://www.db0anf.de/hamweb/aprsdb/showdata/USAM/shdigiusers?sortdigiusers=ld Greg ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir So it was just my supposition that Findu was current, and nothing that I was doing wrong. Way cool. Since the RF pollution is so high here, I am trying to lower it some to that low power stations can be heard, or at least stand a chance. As it has been, there was not much chance for the low power stations in this area getting heard. My hope is that once heard and gated here, then the need to repeatedly be digipeated will be lowered. Steve/WM5Z ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
>>How do I use Findu to see if I am IGating? The tool mentioned by VE7MKF is a better iGate 'test' than Findu. However if you know you are iGating someone (or think you are) you can look them up in findu and see their raw data. Just change the callsign to the one that you are interested in... Looking at Findu's raw data is a good way to force yourself to learn how to read raw APRS packets ;) Raw data for my truck http://www.findu.com/cgi-bin/raw.cgi?call=KD7UBJ-7 Visual data (map) for my truck http://www.findu.com/cgi-bin/find.cgi?call=kd7ubj-7 I'm also thinking that Findu is tweaked or at least the data is stale right now. I went out and blasted a packet from my truck to my iGate and Findu does not report it either via its raw or map page. However if I look at the www.db0anf.de page for my iGate I can see that it saw my iGate gating my truck very recently. Hmmm, anybody have any idea why Findu is stale (or why my brain is on vacation)? ;) Findu raw data for my truck http://www.findu.com/cgi-bin/raw.cgi?call=KD7UBJ-7 db0anf.de data for my USAM digi http://www.db0anf.de/hamweb/aprsdb/showdata/USAM/shdigiusers? sortdigiusers=ld Greg ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
Mike Fenske wrote: Steve Friis wrote: Thanks. OK I checked all of these. What else might I be missing? How do I use Findu to see if I am IGating? I would like to get this working to lighten the load in the Las Cruces/El Paso area. Since I am really dumb when it comes to Linux, etc. all help is much appreciated. Steve/WM5Z Hi Steve. Have a look here to see the stations you are igating: http://www.db0anf.de/hamweb/aprsdb/showdata/WM5Z-1/shdigiusers?sortdigiusers=ld Looks like a couple of stations gated within the last few minutes. Mike Fenske VE7MKF ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir OK. Thanks all. I guess I am IGating. Just not very many stations are using us. Not sure at this point what I need to do. Seems that most stations are still digi'd to up north to Albuquerque, which sure is tying up a lot of resources. Steve/ WM5Z ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
Steve Friis wrote: Thanks. OK I checked all of these. What else might I be missing? How do I use Findu to see if I am IGating? I would like to get this working to lighten the load in the Las Cruces/El Paso area. Since I am really dumb when it comes to Linux, etc. all help is much appreciated. Steve/WM5Z Hi Steve. Have a look here to see the stations you are igating: http://www.db0anf.de/hamweb/aprsdb/showdata/WM5Z-1/shdigiusers?sortdigiusers=ld Looks like a couple of stations gated within the last few minutes. Mike Fenske VE7MKF ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
Curt, WE7U wrote: On Wed, 22 Aug 2007, Steve Friis wrote: I don't think I am IGating stations, although that is what I think I am set up for. What might I be missing? Check that you have a passcode entered on the particular interface that connects to the INET. Check that you've got gating set in the proper direction(s) on that same dialog PLUS check the same sorts of things in the global settings on the File->Configure->Defaults dialog. -- Curt, WE7U: XASTIR: "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 Thanks. OK I checked all of these. What else might I be missing? How do I use Findu to see if I am IGating? I would like to get this working to lighten the load in the Las Cruces/El Paso area. Since I am really dumb when it comes to Linux, etc. all help is much appreciated. Steve/WM5Z ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
Re: [Xastir] IGating
On Wed, 22 Aug 2007, Steve Friis wrote: > I don't think I am IGating stations, although that is what I think I am > set up for. What might I be missing? Check that you have a passcode entered on the particular interface that connects to the INET. Check that you've got gating set in the proper direction(s) on that same dialog PLUS check the same sorts of things in the global settings on the File->Configure->Defaults dialog. -- Curt, WE7U: XASTIR: "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! ___ Xastir mailing list Xastir@xastir.org http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
