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ARRL Products: Instructor Support (More) The ARRL Instructor's Manual for Technician and General License Courses -- NOW designed for both Technician and General Class. Includes CD-ROM. Boe-Bot Robot Kit -- The new USB Boe-Bot is a reprogrammable robot built on a high-quality brushed aluminum chassis. Basic Electronic Morse Code Keyer Kit -- Build a Morse code keyer kit and experience the project-building fun! Understanding Signals -- This Stamps in Class guide shows you how to generate, view and measure a variety of wave forms with the Parallax USB Oscilloscope and BASIC Stamp-controlled circuits. The ARRL Instructor's Manual for Technician Class License Courses -- For use with The ARRL Ham Radio License Manual. Includes CD-ROM.

In the article "Put a Big Dish on AO-40--"The EZ BUD" (July 2003 QST), the microammeter shown in Figure 7, page 31, should have its polarity reversed. Also, with apologies to Bob Bruninga, the WB4APR Web site (Note 2, page 32) should be web.usna.navy.mil/~bruninga/ao40ant.html.--Clair Cessna, K6LG

In the July 2003 article "Radio Camp" (pages 41-42), I was surprised to see that unlicensed persons were talking to a ham in Italy. Since we do not have third party agreement with Italy, this is not legal.--Brian Harrington, WD8MXR

In the article on the new 60 meter band ("60 Meters: Frequently Asked Questions," Aug 2003), there was a typographical error in the list of authorized channels in the sidebar on page 45. The list on page 44 is correct. The channels are at 5332, 5348, 5368, 5373 and 5405 kHz.--Tnx Michael Toia, K3MT