can you identify that dish

[RimaNTSS]

that is has an f/D nearer 0.8 than 0.6

I would slightly disagree with that: Prodelin made 1,8m antennas with f/d 0,8 and 0,6 but never with f/d=0,52.
- f/d 0,8- is long-focus antenna
- f/d 0,6 - is normal-focus antenna (opening angle ~80* , should work good with any universal LNB, e.g IBU, and will be little bit overilluminated)
- f/d 0,5- short-focus antenna (perhaps NSC, with opening angle 88* will also work with IBU and be not fully illuminated, as we know that IBU has 84* illumination angle)
If we go further that next one will be f/d= 0,4 - which is usual PFA.

Is it any good?

More likely, 1,8m antennas with f/d ratio 0,8-0,6-0,5-0,4 will perform more or less same if they are used with appropriate feedhorn, calculated and fabricated in such way that it's illumination angle is exactly the same as antenna's opening angle. Basically, f/d can be easily converted to degrees f/d0,52=88*, f/d0,4=120* and so on.
I have suspicion that dual-reflection antennas (main mirror) have f/d ratio about 0,5, so this NSC antenna equipped with sub-reflector from FIBO dish will be illuminated properly and can bring some good performance of system.

I do not know what kind of mesh is inside the plastic, hopefully it has small eyes.

 

[samoloko]

Rima
lnb holder you posted http://www.satelliteguys.us/xen/threads/new-prodelin-project.344643/ Is not original
you can see original here https://www.satellites.co.uk/forums/threads/inside-surface-of-feedhorn-shiny-or-dull.117589/
It Is possible to have different lnb support feeds

 

[RimaNTSS]

Interesting reading in that 5 y.o. thread. Seems that several people have same antenna but have never found out what kind of antenna is it . But now we are more close to answer.
Ads user tmbp wrote antenna is

"Northern Satellite Corp" model: NSC 18-1.

perhaps I should explore my antenna more carefully, maybe same is written somewhere on the body.

lnb holder

I've got similar LNB holder on another my antenna, which was 1,2 plastic and also did not have markings about name of dish and producer. Maybe this antenna is also product of NSC and "no markings" on dishes is company's trademark!

 

[samoloko]

dish look like dish here which Is said to be channel master 1.8

http://forum.dxtv.de/wbb/thread.php?threadid=20730&hilight=SMR 1224

Interesting reading in that 5 y.o. thread. Seems that several people have same antenna but have never found out what kind of antenna is it . But now we are more close to answer.
Ads user tmbp wrote antenna is

perhaps I should explore my antenna more carefully, maybe same is written somewhere on the body.

I've got similar LNB holder on another my antenna, which was 1,2 plastic and also did not have markings about name of dish and producer. Maybe this antenna is also product of NSC and "no markings" on dishes is company's trademark!

a real mistery
I begin to think that It Is american licensed to use In germany region
if we had more experienced german members