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1.2GHz Radiation Report

We are happy to report that WX8GRR D-Star repeater has a new addition. Finally, after alot of time waiting and delays the Triplexer arrived on Wednesday May 12th. "Why is that so significant" you ask? Well let me tell you. In the year 2010 (remember when that year sounded so futuristic?) May 12th is the day before many of us pack up and leave for Dayton. Being one of the group, naturally I had everything packed up and ready on Tuesday allowing me many hours to install the new triplexer (!NOT!). Oh no, as usual on Wednesday evening I cut out of work early and got started packing the van with everything I could cram into it. Finally loaded at about 2:30am I desperately worked my way toward my bed so that I would not start the weekend off badly. With all of that, I had to wave goodbye to my chances to pick up the triplexer until I got back from Hamvention.

Finally on Tuesday I picked up the triplexer and spent the rest of the week trying to catch up on work at my job. Finally things worked out for me to go to the tower site on Sunday afternoon where I discovered that the cables I had for connecting the triplexer were all about 30 inches too short. Well, with some creative bumblefutzing and a stroke of luck I was able to connect all the ports.

In case you are wondering what a Triplexer is, it is the creative genious of somone at TX/RX that is part duplexer part combiner/multicoupler and allows both the 1296 Voice and Data modules on the D-Star repeater to use a single antenna, and at 490 feet up the tower with 1.825" hardline topped off by a $800 Hustler 9db gain antenna that means a huge savings over using seperate antennas.

For our friends who have 1296 D-Star capabilities, here is the information that you will need to program your radio with.

  • DV RX 1272.5000 (your radio transmits here)
  • DV TX 1284.5000 (your radio receives here)
  • DD    1298.5000 (Data TX & RX)


  • The module for Voice is A with module B being UHF and module C being VHF. If your counting a little bit slow the simple entry for your voice radio is 1284.5000 - (12MHz offset) "WX8GRR A"

    Since none of us here locally have really worked with setting up the DD mode (digital data) we don't have all the answers about setup. This is the part where how you set your terminals up in your registration becomes even more critical. There is some information out there that is available about the DD mode, but we will be learning more in the near future and will of course post that information here. I suspect about the third time we change it on this website it will be correct.

    Now, about that radiation report. John N8EOD had his ID-1 installed already and went out to his car a few minutes after I called him and said he was able to bring the repeater up, and that it was full scale sitting in his driveway at about 19 air miles. Mike KB8ZGL also had his ID-1 installed in his vehicle and tested from as far South as Martin with no problems. At this point I am going to quit writing, and quit working on the repeater because I seriously need to get to installing my ID-1 in my van. More radiation reporting to come in the next installment of "This is your repeater on P.O.R.N".

    ---------------------------------------------------------
    WX8GRR Internet Gateway Information

    With the upgrade of the gateway software to G2 (gateway 2) many things have changed. As always, one must be registered with one of the gateways in order to use the gateway features such as call routing over the internet. Getting yourself registered however has changed drastically. What was a cryptic nightmare for the gateway operators has not become a cryptic nightmare for the users!! Yipee, now it's your problem!! Ok, well that is not quite true, the software is not all that impressive and leaves much to be desired, but it does make life a little easier.

    To register for DStar gateway use please first visit the G2 Registration Information webpage and read it completely. Let me say that once more, READ IT completely. If I do not know who you are I will do a callbook lookup to see where you live (your license information is up to date, right?). If you are not in a reasonable coverage area of the repeater you will get an email from me asking some questions. Why? Just because WMPORN is not a paid membership group (though we do accept donations) does not mean that we intend to destroy local clubs by helping people use features of expensive equipment without paying the club dues that pay for that equipment. On the other hand, we want everyone to be able to enjoy amateur radio and will help where we can. And, thanks to G2 the local club can still ban you from using those features through their repeater.

    Looking for something that was located on this page? As news becomes old or past tense I frequently move those paragraphs to the BLOG section that can be selected using the green links to the left. The blog contains the latest things removed from this page and are simply pasted at the top of the blog page starting with the second paragraph. Keeping this information around is good for historical purposes as well as allowing people to catch up and maybe even move ahead faster with their DStar project.

    We have another DStar repeater in town that was purchased through grant money given to the local emergency services group. The repeater in the downtown Grand Rapids area and is currently UHF only. The repeater is operating on a full coordination on 444.250 + with the callsign KD8HLF

    Hats and patches for shirts and jackets are here! While I have not had the time to take pictures of these items a reasonable idea of what they are can be found by using the apparel link to the left. This is not a profit making situation for us, just a way for people to show support. The hats are 5 panel Khaki with the 2008 WMPORN logo embroidered on them. The hats are $16 each. The patches are circular approximately 3 &quote; in diameter indicated as #5 on the apparel page and cost $11.00. These are very well made and will last a very long time. Unfortunately it is too late at this time to get the callsigns placed on the back of the hat without doing another order. We are also looking into some other items using silkscreen methods to offer an alternative.

    For callsign and routing information please see the WMPORN routing information page. Please remember to check back here frequently as this routing information will be changing once we install the gateway.

    What we need now is some help with funding. Though we were able to obtain the D-Star repeater at a reasonable price, we have also had to purchase D-Star radios to use with the repeater. This has been no cheap adventure for the repeater owners. If you would like to help accelerate this project donations are being accepted. But wait, we really don't want your money. It seems that too often donations are mishandled these days and to avoid such issues we would prefer that donations come in a form the actual needed items. You can look this link to see some of the items that we could use some help purchasing.

    Several of the WMPORN people meet every Thursday evening. More information is available here.





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