Buck Rogers K4ABT Manuel d'utilisateur

PACKET USERS NOTEBOOK CQ MAGAZINE March 2K by Buck Rogers K4ABT GOOD COMMUNICATIONS EQUAL EMERGENCY PREPAREDNESS, but there's a lot more to ma

PHOTO 4 The interface board is the small PCB where J802 and J803 are connected. It can be removed by first removing the ribbon cable connectors

PHOTO 5 The DC power connections are made to the same points where the red and blue lead ends were removed within the radio. This photo illustrat

PHOTO 7 This photo will provide you with the pin layout of J-801, so the mini-control head connections can be easier to locate. To make soldering

BACK TO THE FUTURE: Oh, but how times have changed! That was in the days of AM, remember Amplitude Modulation, now commonly called "ancient mo

I'll give you the "cooks" view of the finished control circuit before we begin the rest of the modification. It will be in the form of

ENTER, THE CAN OPENER: First of all you must get into the RANGR, and the rest is easy. Well, so it will be, after you're finished. As soon as

A more important service tool is the handy-dandy dummy load that we all have setting around the ham shack. Since we are working on the 138-B and 139-

Now you can tell the world above 50 MHz that you are no longer "just the holder of an Amateur Radio license," you are now a HAM radio opera

This step assumes the frequency is measured when the transmitter is first keyed. If delayed, the rapidly rising ambient temperature must be taken int

FIGURE 1 Study this drawing, as you will soon discover, this diagram represents the heart of the project you are about to undertake. In addition,

PHOTO 2 Have the drill handy, loaded with a quarter-inch bit, one that is capable of drilling through aluminum casting. Carefully make the hole f