Latest software updates, Help files and User Guides

VNWA Software Downloads

General Software updates for the VNWA 3 and the VNWA 3EC are made available several times a year, and announced on the DG8SAQ VNWA Forum

New!  4th March 2020: VNWA Installer.exe

This is the link to the 36.7.9 General VNWA Release published 3rd March for the VNWA 3, 3EC & also the VNWA 2. The installer includes helpfile, drivers, and firmware for Microsoft Windows 10, 8.1 and Windows 7 32 bits and 64 bits versions. To check whether the downloaded VNWA-installer.exe file is genuine and not corrupted, obtain and compare the MD5, SHA1 and SHA256 hash values with the values shown on this

36.7.9 hashes.txt File

SHA1 Hash MD5 Hash CRC-32 report of VNWA-installer.txt v36.7.9.txt

The SHA1 hash can be obtained by executing the following command in a Windows shell on the downloaded file:

certutil -hashfile VNWA-installer.exe SHA1. Please note that the VNWA-installer.exe has been submitted to 'Virus Total' and passed. You can submit the file yourself or download this report for latest update 9th March 2020.

VersionInfo.txt - Provides Version info on the current General Release software above and also on VNWA beta (pre-release) software

Windows Winhlp32 Installer bulletin This file is required to view the online VNWA helpfile in the VNWA Software Application

List of Changes in the VNWA Helpfile 36.7.9 published 9  March 2020 since previous version

VNWA 3-3EC Firmware Upgrade Procedure

Link to information on VNWA 3 3E firmware upgrade to V 5.22  VNWA Linux Installation  information

Installation Manuals & Help Files


Windows 10, 8.1-8 and Win 7 /Vista VNWA 3 - 3E Installation Manual pdf A Getting Started Manual for Release 36.7.2 onward. This is the same information as in the printed manual shipped with all new VNWAs after 15 February 2018.

NEW! VNWA_Help.pdf This is a 500+ page VNWA Help File Documentation in PDF format - English Language for Version 36.7.9 published 25 February 2020 - This is a pdf version of the VNWA helpfile which is accessable within the VNWA Application.

VNWA Sound Devices error after Windows10 Upgrade Since October 2017 Microsoft has started to upgrade the Windows 10 Operating Systems on Windows Computers Worldwide to new feature release 1703 Creative. A number of VNWA users have found that one or both USB Codecs are no longer visible after starting the VNWA Application and the VNWA fails to operate. The reported error is “No VNWA sound devices detected".  This error occurs because the Win10 upgrade disables the USB Codecs.

Download this Bulletin which shows how to re-enable the USB Codec Sound devices after the upgrade

Windows 10 Privacy Settings blocking VNWA USB Codec Operation. This problem has been reported by a number of VNWA users after upgrade of Windows 10 to version 19.03.

VNWA 36.7.x  Upgrade Bulletin for VNWA Upgrade, configuration and Calibration and other Information.

The following Application notes cover the two basic VNWA measurements (both are included from the VNWA Helpfile):

1. VNWA One Port Measurements (TX Port only step by step example of antenna)

2. VNWA Two Port Measurements (TX and RX port step by step example of filter)


Windows 7 & XP VNWA 3 - 3E installation Manual pdf Getting Started Manual v2.01 Issue, as supplied with VNWA 3 and 3E up to 30 September 2014.

VNWA2 Installation Manual pdf Getting Started Manual for previous model VNWA for W7, XP & Vista.

Tutorials & Links

Video tutorials by Kurt Poulsen OZ7OU aimed at new VNWA users:

You can also view the above 3 videos direct from Kurt's Website in event viewing YouTube videos is not possible:

VNWA DG8SAQ Designer Prof. Dr. Thomas Baier:

Other Tutorials:

Documentation in Other Languages

VNWA Dokumentation in deutscher Sprache

Anleiting Embedding - PortExtension Funktion - von Tom Baier - ein wichtige neue VNWA Feature in

VNWA3/3E "Getting Started Manual" für Windows 10, Windows 8.18 & Windows 7  für die Freigabe VNWA 36.7.x aufwärts und zeigt "VNWA ans Laufen bringen"

VNWA Hilfe 36-7-0 deutschMarz 2020 - Vielen Dank an Manfred Zillmer DG3OK für diese VNWA Informationen auf Deutsch zu übersetzen.

Windows 10 Datenschutzeinstellungen blockieren VNWA USB Sound Codec(s) - Problem gemeldet nach Upgrade Windows 1903

Einsteiger Buch "Messen mit dem Vektor-Netzwerkanalysator VNWA" von Gerfried Palme. Kaufen von FunkAmateur

Fortgeschritten Buch "Messen mit dem Vektor-Netzwerkanalysator VNWA Band 2" von Gerfried Palme. Derzeit ist VNWA Band 2 nur in deutscher Sprache dieses deutschen Verkäufers erhältlich:

FunkAmateur und

Darc Verlag

VNWA Kalibration Mit dank am Fred Schneider - (Dec 2012)


Documentation Manuale Italiano

DG8SAQ VNWA V36.2.6 Manuale PDF en Italiano 2013Molto Grazie a Fede IK2TYP per questa traduzione

Documentacion en Espanol

VNWA 3 Installation Documentacion (VNWA 3 Getting Started Guide 2010)

Calibracion del VNWA 3 (Section from VNWA Helpfile 2010)

Muchos Gracias a Jose Antionio EA7BIA

Caution: The information in the older translations may be out of date or superceded. If in doubt consult the latest English language files

Video presentation by Tom Baier DG8SAQ

Workshop Presentation by VNWA Designer on updated VNWA features

With an introduction from SDR Kits' stand by Jan Verduyn G5BBL of SDR Kits. Thanks to Kurt Poulsen OZ7OU who produced this video


VNWA Accessories

VNWA Testboard Kit (Includes Test Components)

VNWA Testboard Kit (Includes Test Components)

£17.00 incl VAT: £20.40

Indicative prices in EURO €20,23

Indicative prices in USD $23.63

SMA 8mm/.315" Torque Wrench 8mm 0.45Nm (SMA Drehmomentschluessel)

SMA 8mm/.315" Torque Wrench 8mm 0.45Nm (SMA Drehmomentschluessel)

£85.00 incl VAT: £102.00

Indicative prices in EURO €101,15

Indicative prices in USD $118.15

BNC Bracket for use with DG8SAQ VNWA 3 and 3EC

BNC Bracket for use with DG8SAQ VNWA 3 and 3EC

£25.50 incl VAT: £30.60

Indicative prices in EURO €30,35

Indicative prices in USD $35.44