The document discusses different types of radio communication bands and propagation. It includes figures and descriptions of VLF, LF, MF, HF, VHF, UHF, SHF, EHF, terrestrial microwave, parabolic dish antennas, horn antennas, satellite communication, geosynchronous orbit, and cellular systems and bands. Copyrights are attributed to The McGraw-Hill Companies, Inc.

1. Radio Communication Band Figure 7-21 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

2. Figure 7-22 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Propagation Types

3. VLF LF Figure 7-23, 24 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

4. MF HF Figure 7-25, 26 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

5. VHF UHF Figure 7-27, 28 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

6. SHF EHF Figure 7-29, 30 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

7. Terrestrial Microwave Figure 7-31 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

8. Parabolic Dish Antenna Figure 7-32 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

9. Horn Antenna Figure 7-33 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

10. Satellite Communication Figure 7-34 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

11. Geosynchronous Orbit Figure 7-35 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

12. Figure 7-36 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Cellular System

13. Cellular Bands Figure 7-37 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998