This circuit was found in an American 1980s documentation. The transistorized step is the receiver's last IF and the diode is the receiver's existing detector.
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...