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The ARRL Satellite Handbook -- First Edition. Explore, track and operate ham radio satellites!

The ARRL Image Communications Handbook -- Use Amateur Radio to see and talk with other hams! Enjoy the imaging modes: NBTV, ATV, SSTV and WEFAX.

Amateur Radio Astronomy -- Explore the contributions of radio amateurs, and how to make and set up equipment to study the signals coming from space.

Nova for Windows -- A popular Windows-based satellite tracking program, used by thousands of hams. Realistic maps show satellite positions, ground tracks, orbital paths, and star background.

Radio Nature -- Now Shipping! -- The reception and study of naturally originating radio signals.

Feedback - June, 2004 QST

In the schematic in "A Data to PC Interface (or...New Life for an Old Mouse)" [May 2004, Figure 1, page 67], P3 (the DB9F connector) erroneously has two pin 4s. The lower one should be pin 5 (GND); it should go to pin 2 of U1. The upper pin (DTR) is shown correctly.



Page last modified: 02:44 PM, 03 May 2004 ET
Page author: qst@arrl.org
Copyright © 2004, American Radio Relay League, Inc. All Rights Reserved.