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The ARRL Software Library for Hams 3.0 -- Now Shipping! -- CD-ROM, Version 3.0. Quick access to utilities, applications and information.

NCJ Collection CD-ROM 1973-1998 -- Back issues of NCJ, the National Contest Journal, on a convenient, space-saving CD-ROM.

The ARRL Antenna Book -- The ultimate reference for Amateur Radio antennas, transmission lines and propagation. Fully-searchable CD-ROM included. 21st edition.

ARRL General Class Course For Ham Radio Licensing -- Now Shipping! -- The Fastest Way to General Class License Success! CD-ROM Included!

TravelPlus CD-ROM -- Locate repeaters along your travel route. Detailed maps and current repeater data.

December 2005 QST Feedback

In "A Low Cost DDS Function Generator" [November 2005, p 40], the maximum supply voltage should be 20 V, not 30 V as indicated.

In Figure 1 of "Not Another Touch Key" [November 2005, p 28], Q1 and Q2 are 2N3904 transistors as shown in the parts list, not 2N43904 as shown in the schematic diagram.



Page last modified: 10:58 AM, 28 Oct 2005 ET
Page author: qst@arrl.org
Copyright © 2005, American Radio Relay League, Inc. All Rights Reserved.