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Chapter 19. First You Need a Modem > Pre-Installation: Do You Need Another Phon... - Pg. 180

First You Need a Modem 180 · Two-way service is extra--Satellite services originally were designed to send signals to the PC --not receive them from the PC--so you used to need a modem and a separate Internet account to handle upstream communications. Most satellite services now offer two-way communications, but it costs an additional $20 per month. · Clear line of site to satellite required--If your house is nestled in a quaint wooded area or is surrounded by high rises, you might have trouble aiming the satellite dish at the communications satellite. · Complicated installation--You can hire out the installation for $100­$200. Otherwise, you'll have to mount the dish to the side of your house (or the roof), run BNC cable from the dish to your PC, and figure out how to point the dish at a satellite floating somewhere near the equator. Once you get all that working properly, you might need to install a modem. · Fair weather friend--Satellite communications are susceptible to rain, lightning, snow storms, sun spots, and other natural sources of interference. In addition, satellites sometimes wobble out of orbit and interrupt the transmissions, meaning you must readjust the dish to point it at a different satellite. However, for the most part, satellite communications are pretty reliable. Despite these drawbacks, once you get your PC satellite dish up and running, you'll never want to go back to your 56K or ISDN connection again. Web pages pop right up on your screen without delay and large media files that used to take 15 minutes to download arrive in two minutes. Inside Tip