Do I need a BBC

Teacher

Do I need a BBC

I Have a SL3 LNB and a HR21-100. During configurattion test it states Bbc not required. Is this Correct?

Message 1 of 12 (197 Views)
Employee

Re: Do I need a BBC

if its a SWM LNB, no BBCs.  if not SWM LNB, yes you would need two BBCs

Employee Contributor*
*I am an AT&T employee and the postings on this site are my own and don't necessarily represent AT&T's position, strategies or opinions.
Message 2 of 12 (29 Views)
Expert

Re: Do I need a BBC

To expand a bit.  A SWM LNB has a single coax connection.  A conventional LNB has four coax connections.

Message 3 of 12 (29 Views)
Teacher

Re: Do I need a BBC

Have single cable, thanks

Message 4 of 12 (29 Views)
Expert

Re: Do I need a BBC

I assume you're aware that I was offering a tip on how to identify a SWM dish.  Even conventional dishes can be rigged with a single coax.  Have you got your system running? 

Message 5 of 12 (29 Views)
Teacher

Re: Do I need a BBC

Yes, I have one port. Should have stated that instead of one coax. Haven't got it going yet. This is for my RV. The setup is all correct, good RG6 cable, PI connected right, looks like I'm just having problem finding the satellites. Have correct AZ/tilt/ELEVATION. The tripod is level. Will try one more weekend then buy the auto finder antenna or a bird dog.

Message 6 of 12 (29 Views)
Employee

Re: Do I need a BBC

there is not such thing as "correct azimuth"  the azimuth is the left and right motion on the dish, there are no markings on the dish for AZ.  you can set the EL/tilt and swap the dish left and right until you find the sats.  DO NOT buy a signal finder they are junk!  use the receiver's built in signal meter.  A birdog is a good chioice but it might be expensive.
Employee Contributor*
*I am an AT&T employee and the postings on this site are my own and don't necessarily represent AT&T's position, strategies or opinions.
Message 7 of 12 (29 Views)
Teacher

Re: Do I need a BBC

Yes, I meant to say one port vice one coax. Thanks again. No, not yet as this is for RV. Having trouble finding the satellites.

Sent from my iPhone

Ed Ward

Message 8 of 12 (29 Views)
Teacher

Re: Do I need a BBC

I mean by correct azimuth is the 205 degrees for my zip code. I don't want to be in completely wrong location to do initial set up.

Sent from my iPhone

Ed Ward

Message 9 of 12 (29 Views)
Employee

Re: Do I need a BBC

Exactly, and that is your starting point.  You then have to sweep the dish from left to right until you lock on the satellites
Employee Contributor*
*I am an AT&T employee and the postings on this site are my own and don't necessarily represent AT&T's position, strategies or opinions.
Message 10 of 12 (29 Views)
Expert

Re: Do I need a BBC

The trick is to plumb the dish mast perfectly, set the tilt and elevation as close as possible to the dish mount markings.  Then using a good compass, set the azimuth maybe 10 degrees East of the specified heading, leaving the clamps loose.  Set your receiver to the 101 satellite signal screen.  Then, a degree at a time, slowly swing the dish West, pausing frequently.  When all but 4 or 5 of the 32 transponders light up, you're looking at the 101.  Fine tune to get as close to 100 as possible.  There will be 5 or 6 with low or zero numbers.

Message 11 of 12 (29 Views)
Teacher

Re: Do I need a BBC

Will try that, thanks for the info

Message 12 of 12 (29 Views)
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