Encircling Earth are two enormous rings — called the Van Allen radiation belts — of highly energized ions and electrons. Various processes can accelerate these particles to relativistic speeds, which Continue Reading →
After eight years spent recovering lost Moon data from the Apollo missions, scientists report in a new study they’ve solved a decades-old mystery of why the Moon’s subsurface warmed slightly Continue Reading →
The Carrington Event struck on September 1, 1859, when a coronal mass ejection erupted from the Sun and struck Earth. The resulting geomagnetic storm set off a vast display of Continue Reading →
Recently there were a number of news articles released on the August 24, 2014 South Napa earthquake. Below are a number of links to these articles. The CCRA thanks Meredith Continue Reading →
Glen has been a master tinkerer in electronics all of his life and I have found him to be a go to Elmer when I wanted to know something about Continue Reading →
The Contra Costa Repeater Association’s February 18, 2018 CCRA Membership Roster has been posted. This is the first updated roster of 2018 showing CCRA members. If you do not find Continue Reading →
The CCRA wants to recognize Scott Anderson for upgrading to Extra Class and changing his callsign from KM6BNP to KW6SA (Scott Anderson). Congratulations to Scott! We have added 6 new Continue Reading →
The Contra Costa Repeater Association’s CCRA Net Control Schedule has been posted for 2018.
The Contra Costa Repeater Association’s January 21, 2018 CCRA Membership Roster has been posted. You will notice that some callsigns on the roster have been highlighted in yellow. This signifies Continue Reading →
An Invitation Once again the Benicia Amateur Radio Club and its volunteers will be conducting another One-Day Ham Radio Class. This class is intended for those wishing to get a Tech Ham Continue Reading →