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  1. nelson61

    Best deal on a decent 1.2 meter dish

    Receive only and a great price. California office. $170 on sale
  2. nelson61

    Best deal on a decent 1.2 meter dish

    Almost had heart attack when I was searching a month ago and saw the current prices.
  3. nelson61

    Prodelin 3.8 VSAT offset dish antenna

    I would have killed to get one a few years back. I build a custom ku similar size and have lost my files But, you can do calculations to figure it out, The offset is likely the standard 22.6 degrees (the earth rotational offset angle) The long axis of the offset antenna will likely be = to...
  4. nelson61

    19 laser illuminator with tuned parallel beams for checking dish shape

    I think I would get a spray can of of chrome paint and chrome the dish. I've messed with mirrors using double face tape and it's a bitch on a large dish. Then, strip the paint when alignment is done.
  5. nelson61

    Satlook spectrum analyser repair help needed

    I contacted them on their web site, told them what part i needed and they sold it to me and shipped from factory (and never billed me). Posted Via The FREE SatelliteGuys Reader App!
  6. nelson61

    Satlook spectrum analyser repair help needed

    I had a Satlook back when it was state of the art. Some features still are best out there (the graphic display for the transponders). Blew out the tuner display after a few years and they sent me a new one for no charge. But wow, it was one heavy mother to haul around Couple years ago, the...
  7. nelson61

    Rebuilding an Prodelin/Andrew 1.8

    I have a couple Andrew 1.8's. I calculated where the focal point should be. Then, I bought some 1/2 metal conduit and smashed the ends flat for the support arms. Used hose clamps for the lnbs and jiggled things around until I maxed out the signal. Been working fine for years.
  8. nelson61

    Dish Size for certains Satellites/Transponders/channels ?

    The eirp dish size relationship is well established. Satbeams.com does a fair job presenting the correlation for the various sats and locations.
  9. nelson61

    Satellite-calculations look angle

    Jens Satre has added a neat new look angle calculator on his web site. The google streetview gives one an idea of what is coming as the streetview mapping becomes more universal. Google Maps based satellite uplink/downlink site planner with dish alignment angles and topographic coverage (...
  10. nelson61

    I need help getting a True South on dish motor

    I draw a string across the antenna from top to bottom (0 and 180 degrees) crossing the center of the dish. Then I look up the exact time the sun is going to be due south on one of the web astro sites. I then move the antenna until the string shadow is striking the center of the antenna at the...
  11. nelson61

    Using EIRP

    EIRP is an essential tool in determining your ability to receive reception. Both the ITU and the FCC specify the format and method of presenting the data. Those regulatory agencies provide that the dBw data used be submitted using a zero (0) offset for the center point. This makes the maps...
  12. nelson61

    Urgent can Satellite R6 cable interfere with internet cable?

    Anytime you have two conductors or more running parallel for any significant distance, you can have coupling and wierd things can happen, floating grounds, etc. The shield in coax is a conductor.
  13. nelson61

    AMC 3 67W SATMAPS!

    They received approval to move it to 67w last year and the KU license is pending approval for operation there. Application Narrative (Feb 2012)
  14. nelson61

    AMC 3 67W SATMAPS!

    I have uploaded the KU satmaps for AMC 3 67W. AMC 3 67W KTH AMC 3 67W KTV
  15. nelson61

    Intelsat 21 Satmaps

    I've uploaded the Satmaps for Intelsat 21 58W. Launch is sometime this summer Service is KU beams for Brazil, Mexico, & Mobility and C band Western Hemisphere. 6 beams total replacing an older satellite at that location. Example Beam: C Band Western Hemisphere
  16. nelson61

    AMC 3 KU to 63W

    They will be moving AMC 3 To 67W where it will cover some parts of US and S. America. Only will be using the KU beam. http://licensing.fcc.gov/myibfs/download.do?attachment_key=930612 I'm in a wrestling match with the beams files and will add a Satmap after I chase out the database error that...
  17. nelson61

    Is 79w (AMC5) Still up?

    I think you might best like the current orbital details of all the geostationary satellites. This site updates it every 5 minutes in a nice tabular format. Jens takes a few days to get the most recently launched satellites in the table but once they are in the table, any movement or...
  18. nelson61

    what size dish to get amazonas 1?

    Scroll to your locaton and determine the EIRP dBw and you can calculate your antenna diameter. Hover and click to see isocontour values Amazonas 1 61W KUTH N America (Satkml)
  19. nelson61

    Satmex 8 announced

    Space Systems/Loral Selected To Provide Satellite For Satmex As I recall, they have been having some financial problems and must have resolved them.
  20. nelson61

    G15 troubles

    Good article. I had a broken link and had to go to space.com to retrieve it.
  21. nelson61

    G15 troubles

    This might shed some more light on it. It is their index page on the subject with lots more info CLASSIFICATION OF GEOSYNCHRONOUS OBJECTS -- ISSUE 11
  22. nelson61

    G15 troubles

    Very; Objects at the western liberation point (105W) CLASSIFICATION OF GEOSYNCHRONOUS OBJECTS -- ISSUE 11_
  23. nelson61

    How large is the "Box"

    The "box" is measured in degrees. A typical FCC license specifies a longitude of +/- 0.05 degrees longitude. But, the latest Directv satellites (Boeing) have been licensed for +/- 0.025 degrees. This has allowed them to cluster more satellites at one licensed location.
  24. nelson61

    AMC 4 101.0W

    In any event the problem will go away with the scheduled AMC 4 move to 67W where it will provide a new point of service for North America. It's replacement should be on station in about a month. FCC INTERNATIONAL BUREAU
  25. nelson61

    Galaxy12 moving to 129.

    Typical FCC requirement is to hold about 7 -15 kg of fuel in reserve to lift the satellite 300 km at end of life. No special systems. They apparantly had some type of failure in the station keeping system. Could be fuel, could be computer, could be anything and only appears to affect station...
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