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ARRL Products: Digital Communications (More) VoIP: Internet Linking for Radio Amateurs -- Where RF meets the Internet! A guide to four VoIP systems: EchoLink, IRLP, eQSO and WIRES-II. 802.11 Wireless Networks: The Definitive Guide -- Creating and administering wireless networks. 2nd Edition. The ARRL Digital Technology for Emergency Communications Course -- Coming in September! -- CD-ROM. Learn all the ways to use digital technology as an emergency communications tool! Digital Signal Processing Technology -- Essentials of the Communications Revolution. An understandable presentation and reference on DSP in contemporary communications technology. The ARRL Software Library for Hams 2.0 -- CD-ROM, Version 2.0. Quick access to utilities, applications and information.

Publication Updates and Downloads

• 200 Meters & Down - The Story of Amateur Radio
  · Index
• The ARRL Ham Radio License Manual
  · HRLM page: Corrections, Updates and Supplementary Information
• Antenna Compendium Volume 4
  · Download included software.
• Antenna Zoning for the Radio Amateur
  · Corrections,Updates and Editorial Comments.
• The ARRL Emergency Communications Course, Level 1, Course
  · Corrections and Updates.
• The ARRL Emergency Communications Course, Level III, coursebook
  · Corrections and Updates.
• ARRL's Tech Q&A--4th edition
  · Corrections and Updates.
• The ARRL Extra Class License Manual 8^th edition, 3^rd Printing.
  · Corrections and Updates. (16,789 bytes, PDF file)
  • The ARRL Extra Class License Manual 8^th edition, 2^nd Printing.
    · Corrections and Updates. (50,635 bytes, PDF file)
• Basic Radio - Understanding the Key Building Blocks - First Edition (9558)
  ·Errata and Addenda
  
• The ARRL Handbook for Radio Communications (2008 edition) (1018)
  ·Corrected Schematic Symbols chart (256,913 bytes, PDFfile)
  
• The ARRL Handbook for Radio Communications (2006 edition) (9493 and 9485)
  ·Errata and Addenda
  ·Missing Template Files
• AC Power Interference Handbook (9055)
  ·Errata and Addenda
• Discrete-Signal Analysis and Design (0140)
  ·Corrections and Updates (Updated June 23, 2008)
• ON4UN's Low Band DXing (9140)
  ·Errata and Addenda
• The 2005 ARRL Handbook for Radio Communications (9280)
  ·Product Supplier Listings
  ·Chapter Notes and Corrections.
• The ARRL General Class License Manual , 5th Edition
  ·Errata and Addenda
• Introduction to Radio Frequency Design (4920)
  ·Download irfd.exe (2.6MB) and run it to install the companion software for the Introduction to Radio Frequency Design.
• The 2004 ARRL Handbook for Radio Communications (1964)
  ·Download 04hbksw.exe (3.3MB) and run it to install the companion software for the 2004 ARRL Handbook.
• The ARRL Antenna Book, 21st Edition (9876)
  · Addenda.
• The ARRL Antenna Book, 20th Edition (9043)
  · Product notes and file corrections.
• ARRL Amateur Radio Map of North America (8977)
  · Mexican State Full Names and Abbreviations
  
• The 2003 ARRL Handbook for Radio Communications (1921)
  · Additional template packages.
  · Download companion software.
  · Download Additional Materials.
  
• Experimental Methods in RF Design (8799)
  ·Additional information and errata
• Antenna Compendium Volume 7 (8608)
  · Expanded Table of Contents
  · Supplemental software
• ARRL Antenna Modeling Course (8721)
  Note: These are data files for the example antennas used in the course. You must have your own copy of a compatible antenna modeling program to use these files.
  • Download EZNEC sample modeling files (81,664 bytes, ZIP file)
  • Download NEC-WIN Plus sample modeling files (2,019,923 bytes, ZIP file)
  • Download NEC-2 sample modeling files (83,145 bytes, ZIP file)
• Simple and Fun Antennas for Hams
  · Supplemental Modeling Files
• The ARRL Handbook for Radio Amateurs, 2002 (1832)
  · Additional template packages.
  · Download companion software.
  · Download Additional Materials.
  · Corrections and Updates
  
• ARRL Technician Class Video Course
  ·Product notes.
• Physical Design of Yagi Antennas (3819)
  ·Download supplemental spreadsheets (spreadsheet program not included; Microsoft Excel or similar required. 57,026 bytes.)
• RSGB IOTA Directory 2000 (RA00)
  ·Addenda
• The ARRL Antenna Book CD (8179)
  ·Product notes.
• The ARRL Antenna Book, 19th Edition (8047)
  · Correction to Table A in Chapter 1. (7526 bytes, PDF file)
  ·Additional product notes.
• The ARRL Handbook for Radio Amateurs, 2001 (1867)
  · Download companion software.
  · Additional template packages.
  

• The ARRL Handbook CD 2001 (V5.0) (1883)
  · Download MATCH.EXE companion software.
  

• The ARRL General Class License Manual (8004)
  · Answer Key Corrections

• The ARRL Handbook for Radio Amateurs, 2000 (1832)
  · Download companion software.
  · Corrections to Chapter 22.
  · Download additional Chapter 30 materials.
     · Additional template packages.
     · Corrections to template packages.

• The ARRL Handbook for Radio Amateurs, 1999 (1816)
  · Download companion software.
  · Corrections to Chapter 11.
  · Corrections to Chapter 13.
  · Update to Chapter 17 (NBMATCH).
  · Corrections to Chapter 24.
  · Download Chapter 30 materials.
     · Additional template packages.
     · Corrections to Chapter 30 template packages.

• The ARRL Handbook for Radio Amateurs, 1998 (1786)
  · Download companion software.

• ARRL Handbook CD 3.0 (1824)
  · Update to Chapter 17 (NBMATCH).
  · The template package for "An Integrated L-Band Satellite Antenna and Amplifier," from Chapter 23, was inadvertently left off the list of templates found on the CD. The file (krome.pdf) is actually on the CD in the template\pdf\ directory. You can also download it as an Adobe PDF file (840,329 bytes). Viewing PDF files requires the Adobe Acrobat reader.

• ARRL Handbook CD 2.0 (1808)
  · The template package for "An Integrated L-Band Satellite Antenna and Amplifier," from Chapter 23, was inadvertently left off the CD. You can download it as an Adobe PDF file (840,329 bytes). Viewing PDF files requires the Adobe Acrobat reader.

• NCJ Collection CD-ROM (7733)
  · See the AView software notes.

• 1998 Periodicals on CD-ROM (7377)
  · October, 1998 QST, Using PIC Microcontrollers in Amateur Radio Projects, by John A. Hansen, W2FS. Figure 2 (24,961 bytes, Adobe PDF file) was inadvertently left off the CD.

• QEX Collection CD-ROM (7660)
  · See the AView software notes.

• QST
  · September, 1997 QST, The CycleMaster, by Lee Richey, WA3FIY. Figure 2 was printed incorrectly.

• Personal Computers in the Ham Shack (5714)
  · Download software from Personal Computers in the Ham Shack (458,815 bytes)

• The ARRL Antenna Book, 18th Edition (6133)
  · The ARRL Antenna Book, 18th Edition, second printing, contains upgraded companion software. Owners of the first printing can download a patch to upgrade their copies of the software.
  · Download Enhanced Elevation-Statistical Files for YT.
  · Corrections to Chapter 6.
  · Corrections to Chapter 18.

• Antenna Compendium Volume 6 (7431)
  · The CD-ROM shipped with Antenna Compendium Volume 6 contains a Mathcad worksheet file that requires Mathcad version 8. You can download a file that is usable with Mathcad 6 or later.

• ARRL's Wire Antenna Classics (7075)
  The last two pages of the 3-page article, "A Broadband Antenna for 75 Meters (265,243 bytes, PDF file)," were inadvertently left out of the First Printing.