In the figure we have a good rectangular signals generator with several frequency bands. The circuit is based on old logic but can be implemented with modern equivalents.
Found in an American amateur radio documentation by the name of “antennascope” this circuit is...
In the figure we have the way to use a common multimeter as a field strength meter. RF shock...
Molex is using the FFC / FPC Premo-Flex jumpers for inter-board and inter-plate interconnects...