'Ladder line' presentation slideshows

Technician License Course Chapter 4

Technician License Course Chapter 4 . Propagation and Antennas. Radio Wave Propagation: Getting from Point A to Point B. Radio waves propagate by many mechanisms. The science of wave propagation has many facets. We will discuss three basic ways: Line of sight Ground wave Sky wave.

720 views • 52 slides

HAM Radio Antennas

HAM Radio Antennas. KF7CLY Aug 2013. VHF/UHF. Antennas for the VHF and UHF bands are similar in many ways to HF antennas. The main differences are that VHF/UHF antennas are smaller and the losses caused by poor feed lines and elevated SWRs (or both) are more critical. Omnidirectional Antennas.

419 views • 40 slides

Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna.

376 views • 33 slides