2. Measuring the SWR of a feeder and antenna using a dual-directional coupler. Figure 2 shows a typical antenna system with the dual-directional coupler connected between the feeder and the antenna.

This walk-up, 250-pound directional game or fish feeder can be staked on the ground, strapped to a tree, or placed on a tripod. It’s hog resistant, and all working parts are internal including ...

In general, a disconnecting means is required for each sign and outline lighting system or feeder circuit and branch circuit supplying ... When the sign is an exit directional sign supplied by ...