Itu orbital slot allocation
Oct 11, · There’s a parking crisis in space - and you should be worried about it There is no cost for an orbital slot, but allocation is on a first-come, first-served basis. The ITU is now far. The Space Network List (SNL) is a list of basic information concerning planned or existing space stations, earth stations and radio astronomy stations. It includes sections on Advanced Publication Information, coordination requests. Co-location is the placing of two or more geostationary communications satellites in orbit, in close proximity so that to reception equipment on the ground they 'appear' to occupy a single orbital 2048GAME.MOBI technique as applied to a group of TV satellites from a single operator was pioneered by SES with the Astra satellites at °E.
ITU Satellite Network Slot Identification and Regulatory Filing
However, other frequency bands remain widely under-used, so plenty of opportunities exist for satellite operators to find ways to meet the needs of their customers. Focusing on ISM bands is not the way to go here. With its increased bandwidth this satellite was able to transmit live coverage of the Summer Olympics from Japan to America. Retrieved 6 July A combination of lunar gravity, solar gravity, and the flattening of the Earth at its poles causes a precession motion of the orbital plane of any geostationary object, with an orbital period of about 53 years and an initial inclination gradient of about 0. Email required Address never made public.
Space Network List (SNL)
I was asked two interesting questions yesterday by people interested in commercial development of space-based solar power SBSP :. Excellent questions. Here are the answers that I slapped together from the Internet. Special thanks to Maldivian Digital , and Wikipedia for having some well researched info posted on their sites! You can follow any responses to this entry through the RSS 2.
You can leave a response , or trackback from your own site. Good job — spot on — preventing harmful interference while enabling the use of frequencies is the key. Chris Stott: Very insightful! Contributions like yours make this sight a total learning experience for those who read and participate here. I have a question; what is the NTIA? How should we approch them? Please feel free to add to any and all other postings, threads, and comments. You have a great deal to add! It seems to me that the ISM bands should be reserved for communications, and do have some power restrictions.
A commercial SBSP venture should be required to license spectrum, as they will be possibly profiting from activity. Focusing on ISM bands is not the way to go here.
By this means, interference with other communications networks can be avoided, and the entire geostationary arc opened up for satellites that only operate on power satellite frequencies. The 2. Naturally, that same atmospheric transparency draws terrestrial users.
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With satellite operators around the world looking to gain an edge in terms of offering new services, access to real estate is vital. However, with most of the so-called hot orbital slots taken, what opportunities remain for satellite operators to develop new positions or make better use of the existing slots? As satellite operators seek to make the most of their orbital slots, developments in satellite technology and a more progressive approach by the International Telecommunications Union ITU offer the most promising methods to meet this goal.
This is a multi-faceted debate with no easy answer as to what can be done to create additional room for more spacecraft. Most industry experts agree, however, that more can be done to free up slots and developing existing locations more effectively. The question as to whether there are still hot slots out there is a hard one to define. Issues such as frequency bands and separation of satellites has to be taken into account. Spectrum is attached to frequency bands and to service type.
Ku-band slot with 2-degree spacing and the right elevation is certainly the most difficult to find. However, others still see potential orbital real estate available. But Mexico has empty slots. Satmex has slots where its satellites will soon die. In that direction, I was rather surprised Eutelsat turned down the opportunity to buy Satmex because it would have bought them North American slots.
So slots are getting tighter but there are still ways to add locations. Growth opportunities continue to exist in other regions such as Latin America, Africa and the Asia-Pacific. Satellite operators have been innovative in deploying higher-powered satellites with greater throughput and co-locating multiple spacecraft and using more advanced coding schemes to maximize the efficiency at each orbital slot.
Other frequency bands, such as Ka-band, hold marked promise for continued growth. Whether satellite separations appreciably less than 2-degree spacing may be feasible in the future remains to be seen. But even the difference between 3-degree spacing which in a geosynchronous plane would limit the possible number of satellites in a particular frequency band to orbital slots as contrasted with 2-degree orbital spacing which would limit the possible number of satellites to is considerable.
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