Real Info About How To Lower Swr

If the antenna reads too long or too.

How to lower swr. Web connect the antenna (normally connected to the back of the cb ) to the connector marked “ antenna ” or “ant” on your swr meter. Write down the swr reading on channels 1, 20, and 40 based on the instructions above. Check the swr of your radio and antenna start by moving your vehicle to an outside area, far from metal objects.

Web check your swr meter : Web the general procedure is to set the radiating element at the factory recommended length then adjust the sliding contact for the lowest swr. Another useful attribute of the smith chart is called a constant swr circle.

If your swr reading is higher on channel 40 than. 5 attach the antenna to the. Web a low swr means that your antenna is transmitting a satisfactory amount of rf (radio frequency) power instead of sending it back into your transmitter.

Web remove any connections between the antenna and the radio. Performance in this range will be noticeably decreased, and you might even damage your radio if you transmit frequently and for extended periods. Connect one end of the jumper to the back of your radio.

The length of transmission can affect the loss in power from the. Web if the lowest swr reading occurs on channel 1, the antenna whip is to long and must be shortened. Continue to adjust the antenna until the swr is approximately the same.

From here you can read the swr for this load. Web how to lower swr on vertical antenna compute the approximate antenna length for the center frequency of the range for which you are trimming. Loosen the mast set screws and lower the whip 1/4 into the mast.

4 attach the radio to the transmitter socket on the swr meter using a coaxial cable. Connect your swr meter in line.