KIT BUILDING

here are a number of kits that utilize crystals, and sometimes it is handy to test the crystal to see if you can hear it to test a receiver, or for “spotting.” The Four States QRP Group has a kit called the Bayou Jumper, a solid-state replica of a World War II Paraset design. This kit has a regenerative receiver and a crystal-controlled transmitter. In order to get the receiver into the ballpark to hear any responses to your CQ calls, you need to set the receiver to be where the transmitter is set. Using a simple tester like the 4SQRP Crystal Spotter lets you hear the crystal’s output in the receiver