Charts like the U.S. Frequency Allocation Chart keep me amused for hours. Download it here.
Interesting to consider how many billions of dollars of business is done over the electromagnetic spectrum we didn’t know existed 150 years ago.
Charts like the U.S. Frequency Allocation Chart keep me amused for hours. Download it here.
Interesting to consider how many billions of dollars of business is done over the electromagnetic spectrum we didn’t know existed 150 years ago.