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#1
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I am new here and as an amateur, I am interested in setting up an Igate and
am looking for some assistance or advice. I am hoping that someone will take the time to walk me through the necessary steps. I have my packet radio working and can get position reports, however there seems to be some big holes. Maybe if we cover the basics here then we can get more folks to do this and fill in the holes. Gary KI6SFG |
#2
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On Jul 30, 8:32 pm, "KI6SFG" wrote:
. Maybe if we cover the basics here then we can get more folks to do this and fill in the holes. Well APRS and packet in general has been kind of a dying part of the hobby for years. I'm not sure exactly why that is, perhaps the data rates are a bit slow and the technology is a bit out of date. I think APRS is nice, although a bit expensive to get going, as is D-Star which has data features too. The problem really is that it takes enough operators in an area to reach "critical mass" where communications are fairly consistant and wide spread enough to be useful. Some major cities have enough repeaters but a lot of the rural areas will be very spotty coverage. I think that packet just didn't quite make it to critical mass in a lot of areas before it started hitting the decline. Now with the newer modes comming online (and comerical data services) it 's going to be hard to get enough interest in Packet generated to get it up past critical mass on a national scale. Doesn't mean it's not useful as it is, or that you cannot have a lot of fun playing with it though. I have an old 2M rig that I've intended to get a TNC for so I could play on packet too. Right now the $$ isn't in the checking acount and the spare time is nowhere to be seen. -= Bob =- |
#3
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KI6SFG wrote:
I am new here and as an amateur, I am interested in setting up an Igate and am looking for some assistance or advice. I am hoping that someone will take the time to walk me through the necessary steps. I have my packet radio working and can get position reports, however there seems to be some big holes. Maybe if we cover the basics here then we can get more folks to do this and fill in the holes. Gary KI6SFG Gary, I suggest you get an old PC, put Linux on it, and become very familiar with the OS. Then, compile a custom kernel that includes the AX.25 features and leaves out what you don't need. Keep it simple and small: you risk losing interest if you try too much at once. 73, Bill W1AC -- Bill Horne (Remove QRM from my address for direct replies.) |
#4
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KC4UAI wrote:
On Jul 30, 8:32 pm, "KI6SFG" wrote: . Maybe if we cover the basics here then we can get more folks to do this and fill in the holes. Well APRS and packet in general has been kind of a dying part of the hobby for years. I'm not sure exactly why that is, perhaps the data rates are a bit slow and the technology is a bit out of date. I think APRS is nice, although a bit expensive to get going, as is D-Star which has data features too. While packet has been at rock bottom for a while, APRS is really quite busy, and growing. In Pennsylvania, we have a lot of stations on the air. So many stations in fact that it is usually a big help to filter some of them out. For a demo, there are some web sites out there that take APRS info from the RF side, and map it out on a webpage. literally thousands of APRS signals. I think that packet just didn't quite make it to critical mass in a lot of areas before it started hitting the decline. Now with the newer modes comming online (and comerical data services) it 's going to be hard to get enough interest in Packet generated to get it up past critical mass on a national scale. Packet in the old sense, that of sending email and bulletins, has pretty much gone by the wayside, but fortunately APRS has arrived to keep things busy. Gary, I can help you get something on the air. A few questions first. Ar you right at the beginning, ie no rig, no gps, no software, or do you have something in mind? That will give us someplace to start. - 73 d eMike N3LI - |
#5
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![]() I think APRS is nice, although a bit expensive to get going, as is D-Star which has data features too. I bought my 2 meter set up from Byonics (http://www.byonics.com/microtrak/) and have it up and working for less than $200. I have read that the only equipment required for an Igate was a receiver, a computer with a sound card and an internet connection. I have a scanner that covers 144.39 and a internet computer with a sound card. However I have not been able to get the software to function yet. This guy makes it sound easy (http://home.hiwaay.net/~sbuc/journal/igate.htm). There must be some I gates around the area because there are Hams showing up on APRS.fi I am still trying to understand TNC terminal node controllers and what they do. I have a lot to learn. Gary |
#6
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KI6SFG wrote:
I think APRS is nice, although a bit expensive to get going, as is D-Star which has data features too. I bought my 2 meter set up from Byonics (http://www.byonics.com/microtrak/) and have it up and working for less than $200. I have read that the only equipment required for an Igate was a receiver, a computer with a sound card and an internet connection. I have a scanner that covers 144.39 and a internet computer with a sound card. However I have not been able to get the software to function yet. This guy makes it sound easy (http://home.hiwaay.net/~sbuc/journal/igate.htm). There must be some I gates around the area because there are Hams showing up on APRS.fi I am still trying to understand TNC terminal node controllers and what they do. I have a lot to learn. Your basic station requirements: A 2 meter rig. A TNC, either software or hardware A GPS antenna/reciever - not needed if you are setting up a base station, but pretty necessary if you are going mobile. There are some freeware packages out there, like UIview but I went for APRSview, a commercial product. It can include a copy of MapPoint. My system is as follows: Microsoft Streets and Trips running on a laptop in conjunction with MapPoint and APRSpoint. They all mesh together. I use the GPS receiver included in Streets and trips. I'm no fan of Microsoft, but this is one of their best products, and the receiver is very good. I get connected within seconds almost always. Faster than the other units I've seen anyhow. The APRSpoint software has a software TNC, so I don't have to use one of those. My radio is a Kenwood D-700, probably the best unit to use for APRS. It does have a built in TNC, but I don't use it for my setup. If you use UIview, or the built in APRS setup within the D-700, you'll want that built in TNC. plus the APRS antenna would have to be plugged directly into the D-700 for the alternative setup.. With this setup, I can send and track over a wide range area while mobile. This is another area where the D-700 shines. I highly recommend it or it's successor, the D-710. Not cheap radios, but if you are serious about APRS, they are the gold standard. You can use the radio for voice comms at the same time you are squawcking APRS. 50 watts output into an efficient 2 meter antenna, and I can hit a APRS repeater from most places in Pennsylvania. - 73 de Mike N3LI - |
#7
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On Jul 31, 4:02 pm, Michael Coslo wrote:
KI6SFG wrote: Your basic station requirements: A 2 meter rig. Check... OLD Icom 2 Meter rig and suitable antenna for moble use. A TNC, either software or hardware Um... You say software? What is out there? I know they have software for the HF digital modes, but I didn't see anything for the VHF/UHF stuff... I have the laptop to run it on, and I can run both Linux or Windoz on it... A GPS antenna/reciever - not needed if you are setting up a base station, but pretty necessary if you are going mobile. Again Check.... The APRSpoint software has a software TNC, so I don't have to use one of those. I would assume that you would need some way to key the transmitter and the proper cables between the radio and the computer (in my case it will be a laptop). I guess all I need is some software TNC. Wow, maybe the time will show up soon.. A hardware TNC is hard to hide from the XYL, but software is easy... ![]() -= bob =- |
#8
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![]() Keep it simple and small: you risk losing interest if you try too much at once. Thanks for the comments, I found the yahoo group for UI-view. They are more specific to what I am looking for. Gary |
#9
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KC4UAI wrote:
On Jul 31, 4:02 pm, Michael Coslo wrote: A TNC, either software or hardware Um... You say software? What is out there? I know it's a bit dated, but an example of a software TNC would be the Baycom modem that was used with the Commodore C-64 computer. Simply a tone modem IC and the actual bit shuffling was done by the computer. Kind of like the WinModem for the PC that let the computer do all the "what's this" stuff and made the modems totally useless under anything other than the Windows OS. I guess all I need is some software TNC. Wow, maybe the time will show up soon.. A hardware TNC is hard to hide from the XYL, but software is easy... ![]() They make small TNCs, the Tigertronics Baypac comes to mind. http://www.tigertronics.com/73magbp1.htm Jeff-1.0 wa6fwi |
#10
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Gary,
I suggest you get an old PC, put Linux on it, and become very familiar with the OS. Then, compile a custom kernel that includes the AX.25 features and leaves out what you don't need. Keep it simple and small: you risk losing interest if you try too much at once. 73, Bill W1AC Bill, I am wondering why linux as apposed to windows? Are you just trying to keep the system simple and inexpensive? Could you explain a little more about the AX.25? I downloaded the IU-view software and loaded it on to my desktop computer. I understood that with a radio that would receive 144.39 (in my case a scanner) that I could use the computer's sound card and IU-view to port packet signals on to the internet? I am not interested in transmitting from home at this point, just receiving signals and getting them to APRS.fi. Gary |
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