LO lnbf frequency edumakatin please

[iBoston]

There were some FTA channels that appears on a particular KU bird and it left me a bit confused. People said they were using a 9750/10600 universal LNBF but that left me scratching my head with that i thought i knew

I thought the calculation was as follows :

Sat Frequency - LO = ( must fall within tuner range) ie (950-1450mhz)
9750/10600 universal lnbf

The bird had the following transponders :

Transponder #1
11305 - 9750 = 1555 (not within range)
11305 - 10600 = 705 (not within range)

Transponder #2
11345 - 9750 = 1595 (not within range)
11345 - 10600 = 745 (not within range)

Transponder #3
11430 - 9750 = 1680 (not within range)
11430 - 10600 = 830 (not within range)

So, unless my math is wrong, the universal lnbf with the 9750/10600 LO's is not the right LO frequencies to be utilized to get all 3 transponders although i suppose TP #1 might be close enough within range to be captured?

Please Help me understand...

 

[Titanium]

Most FTA STB tuners cover an IF range of 950 - 2150MHz. Any TP in the 10700 - 11700 downlink range uses LO 9750 (22KHz OFF) and TPs between 11700 - 12750 use the LO 10600 (22KHz ON).

I did a LNB LO post a few years ago that might help:
LNB LO Frequency - 101

 

[iBoston]

Ahh, so my math was right, but the IF range is 950-2150... Thank you Titanium!

 

[KE4EST]

Yep, 2150MHz is the upper limit on all the STB's I have ever used.

 

[iBoston]

I wrote it down on my sticky pad so i won't forget that again. I am buying my first universal LNBF.