[SFDXA] When the Internet and Cell Phone Networks Go Down, Amateur Radio Operators Step Up

[Bill]

/Interesting Primer on ham radio on the "Interesting Engineering" site:

/


  When the Internet and Cell Phone Networks Go Down, Amateur Radio
  Operators Step Up

https://interestingengineering.com/when-the-internet-and-cell-phone-networks-go-down-amateur-radio-operators-step-up