Adding declination control (Fibo 90)

[Archived-1]

Hi Huevos, sorry to be stalking you but I like your ideas, have you ever done a mod on a C/M 1.2 dish for inclied orbits, I have seen a few mods and wondering what way to go any advice is welcome.

 

[Huevos]

Hi Huevos, sorry to be stalking you but I like your ideas, have you ever done a mod on a C/M 1.2 dish for inclied orbits, I have seen a few mods and wondering what way to go any advice is welcome.

Have a look at CJ's stuff. He's done it to switch between C-band and Ku, but his ideas would suit this too.

Most important thing is that the actuator adjusts declination, not elevation.

 

[remlap]

Hi Huevos, sorry to be stalking you but I like your ideas, have you ever done a mod on a C/M 1.2 dish for inclied orbits, I have seen a few mods and wondering what way to go any advice is welcome.

Hope you don't mind me asking, what birds are currently running with an inclined orbit carrying traffic we can view/listen to?

 

[Archived-1]

Hope you don't mind me asking, what birds are currently running with an inclined orbit carrying traffic we can view/listen to?

That's a good question remlap, would I be right in saying we have a chance at picking them up twice a day, if so maybe a few of us could get together and monitor them as they come in line.

 

[remlap]

That's a good question remlap, would I be right in saying we have a chance at picking them up twice a day, if so maybe a few of us could get together and monitor them as they come in line.

I've not heard about a any in service in some time. But yes that's right.

Sent from my Galaxy Nexus using Tapatalk

 

[Captain Jack]

50E is inclined...

 

[Archived-1]

Thanks remlap, I will pm A/S and see if he wouldn't mind setting something up for next weekend chasing inclined orbits as they come inline

 

[Huevos]

I haven't had time to play with this for a while but, there is hardly any DTH on inclined satellites, so almost everything is a feed. An inclined satellite is only around the arc for a few hours a day and at this time probably won't be carrying anything. So the only way to find anything is wait until the satellite is not on the arc and then blind scan it.

A couple of years ago there was quite a bit of stuff, Astra 1C & 1D at 2ºE, and ITV feeds on some satellite in the west (can't remember which).

 

[remlap]

A couple of years ago there was quite a bit of stuff, Astra 1C & 1D at 2ºE, and ITV feeds on some satellite in the west (can't remember which).

27.5W but I don't think they ran on an inclined bird there, ITV and SKY used to run off Astra 1Cand 1D though at 2E as you say.

Last I heard an inclined bird at 8W was running SKY feeds, I haven't a clue where they are now.

 

[satesco]

50E is inclined...

You can receive this sat towards the evening;then has better signal.
Another inclined satellit is at 47.5 w-NSS-702(Intelsat-702).The signal is more towards midnight.
It is true that in both cases, there 's nothing to see , the first satellite is{Turk} transmitted promo images , and secondly , only Data.
Eutelsat 48A from 48.2E is also inclined .The signal is strong but it is hard to lock.

 

[Huevos]

27.5W but I don't think they ran on an inclined bird there, ITV and SKY used to run off Astra 1Cand 1D though at 2E as you say.

Last I heard an inclined bird at 8W was running SKY feeds, I haven't a clue where they are now.

Not sure anymore. VS would know. But as far as I remember those transponders were permanently powered.

TBH, to find temporary feeds on an inclined bird by chance is going to be pretty difficult. Could probably write something for a Linux box that tracks the satellites automatically and adjusts the dish. Otherwise it is not user friendly and most people would just give up in the end.

 

[Captain Jack]

I don't think inclination control for tracking inclined satellites is useful these days as there are very, very few inclined birds out there with anything useful on there. Check here - http://www.flysat.com/satlist.php

It *is* useful, however, for maximising the available signal from your motorised system - though I find my dish is tracking the arc pretty accurately anyway

 

[Huevos]

I don't think inclination control for tracking inclined satellites is useful these days as there are very, very few inclined birds out there with anything useful on there.

If everyone believes this, less and less people will ever build an inclined tracking system, and less and less feeds will be found on inclined birds. And the less stuff that is found, the more people will believe it is true and not build an inclined tracking system. It's a downward spiral.

The main problem is manual tracking is too much like hard work especially when when there is no known active transponder to home in on. Maybe I should add writing a plugin for this to my to-do list.

 

[remlap]

Anything interesting on Astra 1E? at 31.2E.

 

[Captain Jack]

Hi Huevos,

I have an old 18" jack arm that I would like to use for declination control on the new Gibby 1.5m dish as I fear that the small 8" one isn't man enough - especially considering that it's at the top of the mount pulling the dish up.

I would like to cut it down to a more manageable size, like you have done, but I am not sure how the loop/joint end comes apart... and how to put it back together. Did you have to file the threaded rod end somehow as well? Do you have any pointers there?

Thanks
CJ

 

[william-1]

Hope you don't mind me asking, what birds are currently running with an inclined orbit carrying traffic we can view/listen to?

Here is my latest list of inclined orbit satellites within my satellite arc:-

52.0°E Astra 1D (incl. 4.9°)

51.5°E ChinaSat 5D (incl. 6.9°)

51.2°E Sirius 3 (incl. 3.7°)

50.5°E NSS 5 (incl. 0.8°)

48.2°E Eutelsat 48A (incl. 3.5°)

33.0°E Intelsat 702 (incl. 1.5°)

31.2°E Astra 1E (incl. 2.5°)

31.0°E Cakrawarta 1 (incl. 6.7°)

28.0°E Astra 2D (incl. 0.9°)

19.6°E Astra 1H (incl. 0.8°)

15.8°E Eutelsat 16B (incl. 1.3°)

14.5°E Eutelsat 16C (incl. 1.2°)

2.0°E Astra 1C (incl. 5.8°)

4.3°W Thor 3 (incl. 2.6°)

29.5°W Intelsat 701 (incl. 1.2°)

47.0°W NSS 703 (incl. 3.2°)


NSS-703 (Intelsat 703) @ 47° West is the only one atm with occasional feeds some the others
are used for data transmissions nothing to lock onto or view when they were on the
satellite arc.

 

[hvdh]

This thread I didn't see before...
Quite often I check the inclined satellites at the moments they cross the belt.
Few results on Ku-band, guess I'm out of footprint for most.
It's data stuff only, sometimes unlockable (propritary/military use?):
68.65ºE, incl 0.7º, Intelsat 7: nothing
66.2ºE, incl 0.8º, Galaxy 27: nothing
65.8ºE, incl 5.4º, Intelsat 26: nothing
51.2ºE, incl 4.3º, Sirius 3: nothing
50.5ºE, incl 1.4º, NSS-5: nothing
50.15ºE, incl 1.1º, Intelsat 5: nothing
48.25ºE, incl 4.1º, Eutelsat 48A: 11570H...11700H: strong lockable signals, 11700H...12100H: weak
48.0ºE, incl 1.0º, Eutelsat 48C: 11200..11450 unlockable
32.9ºE, incl 2.1º, Intelsat 702: nothing
31.2ºE, incl 3.1º, Astra 1E: nothing
29.5ºE, incl 16.7º, AMC-14: 12200...12700 circular: strong (but hard to get because of 28.2 & 30.5 East, and fast moving!)

@william-1: Astra 1D is moving West now, Cakrawarta is junked.

 

[Captain Jack]

16.7 degrees inclination!

What's the best site to check current inclination levels?

 

[william-1]

16.7 degrees inclination!

What's the best site to check current inclination levels?

http://www.n2yo.com/?s=37775 currently watching Astra 1N

 

[hvdh]

Any site would be fine for current inclination, since they are all TLE based.
Here you can predict belt crossing: http://www.satellite-calculations.com/Satellite/satellitemotion.php?26/171/0/32708
Or better, use some program like GorbTrack.

AMC-14 at 29.5 E will cross in 2 hours 18:07 UTC, in my settings I have (L or R pol.):
12405 SR 5820
12408 SR 1170
12585 SR 14260
Be prepared it's within beam just a couple of minutes!