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Satellite Glossary A-B | C-D | E-F | G-H | I-J | K-L | M-N | O-P | Q-S | T-V | W-Z O Orbital Position:  Position of geostationary satellites measured in degrees east or west from the Greenwich meridian. P Parabolic Antenna:  See "satellite dish". Pay TV:  Encrypted or scrambled TV service that can only be accessed by paying a subscription fee. Pay-Per-View :  "PPV" - Program services that are paid for on the basis of the number of hours or programs watched rather than a straight subscription fee. Polarization:  The orientation of a broadcast signal used to eliminate co-channel interference. Most C-Band satellite transmissions are either vertically or horizontally polarized, while most DBS satellite transmissions are circularly polarized. Polarization offset angle:  The angle from vertical that the LNB needs to be set at for maximum reception efficiency. The actual angle depends on the geographical location of the reception site. PVR:  Personal Video Recorder - similar to a VCR but instead of using video tape, uses a built-in hard drive to digitally record programs amd offers the ability to "pause" live television. Most have upgradeable software and some models support the recording of two channels simultaneously. Home | Residential Products | About Us | Contact Us © 2003 Stallions Satellite and Antenna - All rights reserved.