120cm Gregorian

lloyd21

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#1
Hello,
Does anybody know where I can find a 120cm gregorian dish, I found a 90cm Master Focus (FIBO) but I think im going to need a touch more gain.
Thanks
 

Channel Hopper

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#2
Why a Gregorian?

The cost over a standard dish is unlikely to be worth the improvement

I dont know of any decent ones out there , stay clear of Spanish ones
 

Likvid

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#3
A U.K dealer recently sold his 120cm Fibo dish last week for £350, it was used.

They aren't made anymore since 8 years back or so....
 

lloyd21

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#4
Thanks CH,

My understading is that a 90cm equates to a ~110 (Likvid mentioned it I think), So a 120cm would equate to roughly a ~140/145??, reasoning being is I live in a apartment and the Biggest I could get away with would be a 120 MAX.
 

lloyd21

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#5
Thanks Likvid,

I got a quote for 350E from satmuller for a 90cm with motor, I really want a 120, Do you happen to know any Backyard specials?
How would I find out cost freight from Germany to Japan?... DHL?
 

Likvid

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#6
I bought my Fibo 90cm from Satmueller a year ago or something for that price.

Forget the Fibo H-H mount, it's useless, i hate it.

Buy it with the AZ/EL mount instead and then buy a Moteck 2100 motor or even a Jaeger 36Volt motor if you want that instead.

I don't know anyone selling their 120cm, they are very sought after in the market and Fibo never produced many.

Reason i bought the Fibo was because i couldn't have anything bigger on my balcony, otherwise i would have bought a Channel Master 1.2m dish for over half the price and get better performance.

Read my thread about the Jaeger SMR-99G mount i bought to the Fibo, it works perfect.

lloyd21 said:
I got a quote for 350E from satmuller for a 90cm plus motor, I really want a 120, Do you happen to know any Backyard specials?
 

lloyd21

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#7
Thanks Likvid

He quoted my 195E for the 90cm Az/El fixed, Right now I have a Pansat PM900 for my rubbish fortecstar, Here is a quick question I live in Yokohama, Japan I am looking to get Agila2 out of the Phillippines, what would a 90 get me, I not really good judgeing these types of things

139E 38N

I can afford to get a similar set-up as yours Likvid, How far could I see do you think?
 

lloyd21

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#9

homer<> 120 Georgian <>drool<>
Yes thats the one
Thanks for the list Likvid,
I pull all that down with my fortecstar...so not much of a difference with a 90, how is the FIBO for dxing?

FYI: Here is a Japanese DX'er Spectrum Analizer screen shots for Ku
http://translate.google.com/translate?hl=en&sl=ja&u=http://sat2.hp.infoseek.co.jp/se50c/se50c.html&prev=/search%3Fq%3Dnss%2B703%26hl%3Den%26lr%3Dlang_ja

He is also gettin as far as Intelsat 902 and NSS 703!!! on a 1.8 for C-Band
http://translate.google.com/translate?hl=en&sl=ja&u=http://sat2.hp.infoseek.co.jp/se50c/se50c.html&prev=/search%3Fq%3Dnss%2B703%26hl%3Den%26lr%3Dlang_ja
 

Likvid

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#10
Fibo is great, high quality.

I can't get a better dish right now in my situation, i can get from NSS7 at 57 East to Intelsat 801 at 31.5W.

I receive even weak analogue signals from Arabsat 2B at 30.5 East with my low threshold extension set to max, comes in at 1-1.5dB C/N approx.
 

lloyd21

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#11
Thats incredible!!! In your current situation, how would a 120 prodelin or the like compair?

I can go as high as a 120 in my apartment, What would you recommend for me, my guess is I could get the most gain out of a FIBO or cassegrain, money is not necessarly an object currently, unless it just outrageous
 

Likvid

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#12
Andrew Type 120 is the dish of your choice if i was in your position and couldn't get a Gregorian Fibo 120cm.

My dish is comparable to a Triax 110.
 

Likvid

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#14
Yeah it's Patriot, don't know how it performs, doesn't seem like the high build quality of Fibo.
 

lloyd21

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#15
Reason I asked is Patriot has various sizes for these dishes, under there tx/rx antennas...I searched the forums and patriot really have a bad rep. on her...or any forum for that matter...unlike Jonsa for Fortecstar.

They have these in 1m and 1.2 georgian "style" not sure if its a true or not. It may be an alternative for somebody that would need one.

Likvid Do you know if they make a cassegrain at 120?
 

Likvid

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#16
Yes they have a 1.2m Gregorian dish also.

Here you have the manual

http://www.sepatriot.com/manuals/1.2m%20Dual%20Optic.pdf
 

Likvid

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#17
Goosh....it's performing worse than the Andrew Type120 or Prodelin 1130 dish.
 

lloyd21

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#18
Here is a spec sheet comparison- For those that care :p
Patriot1.2 Andrew T-120 Prodelin-1130
Gain Mid-Band\ 42 42 42
3db beamwidth 1.4 1.6 1.4
Side lobes\ -23
Cross Pol >35 >30 >30
Off Set Angle 22deg
F/D .635
Noise @ Elevation 24-Deg K @30 43-Deg K @30
46-Deg K @20
 

lloyd21

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#19
Looks like andrew wins hands down.....Anybody have a spec sheet for a Fibo?
 

lloyd21

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Fibo 90cm-Maybe the only one in Japan!!!
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#20
According to this guy, Fibo's are being sold as Master Focus
www.satellite-calculations.com/Fibo/fibo.htm


Fibo 90 Spec sheeet
Gain @ Mid 40.9
Efficiency 82%
Cross Pol <-30db
Beamwidth 1.57

Likvid are these accurate?
 
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