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It's working now... I added a cap and three diodes to the coax to the dish. (As mentioned above, somewhere) AND I now get all channels! Before the diodes I tried a 12V DC supply but I was locking only about 50% of the time, so I went looking for some diodes to drop the voltage by about 2...

Single or Dual refer to the numbers of 'antennas' in the LNB. A Dual will let you use 2 'boxes' with the same Dish. It's just a coincidence that the LNB also has 'dual' modes. As to 'our ODD' problem, I'm wondering if my BOX is putting out TOO much voltage (15.5V) to be detecting a 'low'...

13v? I'm getting 15 and 20V, with the coax disconnected. Could this be an issue? What if...I put a DC isolator on the cable and put 12 V on the antenna lead with a 2.5mH choke? Or 3 1N4148s in series across the DC blocking cap? 15V --------------| |-----------------LNB 13.2V @ box...

The box is a Sony SAT-B55, with a RCA dish/LNB. Single outlet? The LNB has 2 Type F connectors, and I just switched 'ports' yesterday. No luck. Nothing has changed with the box, it's wiring, TV, VCR or DVD. Cable (inside) looks fine- I removed the wall plate and checked that cable/connector...

Thanks for the clarifications. I once worked in the Polaroid 'transducer' lab, where they made 2000 units a day. I'm sure that's where the word comes from. My 'current' problem is the LNB (or Low Noise Block ?); the 'electronics' sitting on the end of the boom, as opposed to an aiming...

I don't have a signal meter; the signal levels displayed on screen are in the low 90s on the Even Xducers, 0 for the Odds. And I'm using an 18" round dish with a dual LNA B. Coax 'looked' fine; I wrapped the connector up with silicon rubber tape, and the typeF SnapSeal connector also...

For the past month or so, I've been having troubles receiving (what I believe to be) channels from ODD transducers. Once and a while, it seemed to go away. (Like I could see SciFi on NewYearsDay) but now several channels post a 'searching for Sat Sig' box. Seeing 15V DC on the coax for the...