ELI5 Satellite Tuning?
Hey all - I need some help understanding what I've been doing tuning in different satellite channels, transponders, and on different set top boxes (STBs), and using Lyngsat to sort out the various changes - for almost 15 years now.
I've had no problem doing all this, but I've yet to come much closer to any deep understanding of what is going on.
For example, we are currently here in south Lebanon - y'all. We have what looks like a small dish (maybe 60cm), pointed roughly south-south-east ( I didn't set it up and can't tell without a compass). It is fixed - not motorized.
On my Chinese made StarSat STB these Satellites show a strong Quality signal I can tune into (out of about 100 satellites in the list):
Nilesat (7.0W) Eutelsat 25B (26.0E) Eutelsat 7A (16E) Hellas Sat 2 (39.0E) C_ChinaSat 6B (115.5 - can't read the reset of it)
Recently, some of my wife's favorite channels moved to Arabsat Badr 4, which is not in the list, and which I cannot seem to tun into - more on that in a moment.
Question 1: Is the full satellite list on my STB is simply pre-populated by the manufacture/software, or is the list somehow scanned from the sky?
Q2: Assuming the answer above is "pre-polulated." I gather that the names are then arbitrary, just used as identifiers (evidently as I can change the name). Are the degrees East or West also arbitrary, or does this value somehow affect the tuning mechanism/system?
Q3: Related to Q2 - How is it that our small dish can seemingly capture such a wide rage of satellite positions?
Q4: Why isn't Arabsat Badr 4 in the list?
Q5: About Arabsat Badr 4 - From what I read, to tune into this satellite we will need a bigger dish ( >.9 m). That said, the setup for Arabsat Badr 4 seems to be exactly the same as Eutelsat 25B: both are 26E. How is it that these seem to located at the same position in the sky? Or what is going on up there? And, why do I need a bigger dish for one and not the other?
Thanks for your effort to help my understanding of these questions and issues!
submitted by
streetwalker to
satellite
linosat website (satellite throughputs)
This is the most relvent sub that I can find in regards to this, if tyou have a better suggestion let me know.
I'm doing some college work which says to check Linowsat website to check different satellitle SDTV and HDTV throughtputs.... but the site is down.... looking into it further, it seems like it's been down a while....
are there any similar sites to this?
submitted by
kaosskp3 to
rfelectronics
