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  1. patmos

    Orbitron 10 ft- actuator attachment

    I made an earlier post regarding a missing intermediate plate for a new orbiton 10 ft .I did not get the plate but I cut one out of alu sheet and assembled the dish. I have one problem now : How to fix the actuator to the dish. I found only one black square rod among the parts. I do not know...
  2. patmos

    Intermediate plate for Orbitron 10 foot

    I recently got hold of a new Orbitron 10' mesh. Some hardware are missing. The most important is the intermediate hub plate. I know it will be difficult to get here. Can somebody give the dimensions for this plate. This is what I got from the manual I've downloaded from our forum: The...
  3. patmos

    Wire size for 24" actuator

    Trying to drive a 24" inch actuator on my 12 ft mesh. The only four wires cable I manage to get is a Manhattan M4662 20AWG. will this 20 AWG be enough to withstand the max current?
  4. patmos

    How critical is a dish focal length

    I refurbished a 12 ft C band dish and calculate its focal length to be 49.85 inches. After assembling all three LNB supporting struts to the "horse shoe", I find the distance from centre of dish to be 50.25 inches. In its original design there were 3 plastic screws( 1 inch) to adjust the focal...
  5. patmos

    When to use a 22KHz switch

    I often read on the forum that some of us use a combination of 22khz switch together with diseqc. What is it for? I understand diseqc switch but liitle of the 22khz. How is it connected to the receiver? I have three dishes now each with single output LNBs. I want to feed these to my receiver...
  6. patmos

    More than one lNB on a dish

    I am completing a 3.1m fibre dish. I intend to use it on IS 10 at 68.5 deg E on C band ( may be KU in future). How can I add a second LNB(C band) to get THAICOM 2/5 at 78.5 deg E. Where should I place the second one Right or left? when I'm in front of my dish. Remember I am in southern...
  7. patmos

    Will teflon affect signal on linear satellites

    I have the Teflon dielectric plate in my LNB. Will it affect signal level when moving from Circular sat to linear ones. If yes by how much?
  8. patmos

    Pole length for 11 ft dish

    I recently got a prodelin 11 ft dish with a very good pole and mount but the pole is only 36 inches. I will be on fix satellite at around 63 deg elevation at most I can change idea and go down to another sat at 56 deg. I do not mind the dish is lower but will it be possible for me to acess the...
  9. patmos

    Dish azimuth

    I am in Mauritius (indian Ocean) and want to point my 12 ft c band to true North. I have some problems with Mauritius: Satellite map, lat and long, and satellite TV dish pointing in Mauritius It gives the following: Latitude = -20.1436, Longitude = 57.5491 Lat = 20 degrees, 8.6 minutes South...
  10. patmos

    Size of holes in perforated alu dish

    I am trying to refurbish a 12 ft dish (pic2). The mesh is missing from the panels. I want to use thin aluminium(alloy) sheet[ those used in printing industry as a film). My friend did it and it works ( see pic1). Can anyone give me the exact hole dimension and distance apart for a perforated...
  11. patmos

    Fortec Dishes show higher elevation

    From this thread http://www.satelliteguys.us/showthread.php?t=95170 I read The "Fortec dishes have been known to be up to 5 degrees off in dish elevation" Does this mean the scale on the dish reads higher? or the inclinometer reading?. As the offset angle is known for each dish how can it be...
  12. patmos

    Fortec 150 cm gain

    I planned to buy a fortec 150cm dish for KU in fringe area in place of their 120cm thinking to get at least 2dB gain improvement. But to my deception this is their result The gain for 1.5m Ku-Band Gain @ 12.5 GHz : 44.26 dB for 1.2m Ku-Band Gain @ 12.5 GHz : 43.32 dB Can any one tell if...
  13. patmos

    Polar mount

    I work with antennas using both X/Y mount and elevation/azimuth( Earth Station). I fully understand how they operate but I cannot understand how the polar mount works mechanically. I understand that one has to set the elevation to the site latitude+declination. I would greatly appreciate if...
  14. patmos

    Corotor control from receiver

    Hi to all. This is my first post here. I want to receive FTA from both C and ku band on a 3 metre dish. It seems to me that the corotor is the ideal solution. My question is how will the receiver control the corotor as it has a single probe for both band. I have used the Echostar DSB-780 FTA to...
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