Preview
![image preview](https://dh.howard.edu/ccjphotos_aacmisc/1006/preview.jpg)
Identifier
ccJ_025
Description
Code is one of the most important subjects of a radio operator. Civilian instructors move constantly among the students who receive and send international morse code.
ccJ_025
Code is one of the most important subjects of a radio operator. Civilian instructors move constantly among the students who receive and send international morse code.