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 Since 1999

Latest News (01/19/10) - Dxtra has released the highly anticipated WorldStationTM 4.3 | WS 4.3 supports the Racal 6790/GM receiver | WS 4.3 integrates the EiBi and Aoki shortwave databases| Click here for the new WorldStation™ 4.3 User Guide On-Line | Click to join Dxtra's WorldStation™ User Group |

We are Pleased To Announce That The Highly Anticipated WorldStation™ 4.3 Now Available! (01/19/10)

NEW PRODUCT! - Click here to purchase a replica of the sculpted stainless steel mouse pad used to develop WorldStation™.

Click here to request a demo featuring the premium Ten-Tec RX-340, please email us for your no obligation demo password.

The demo will give you direct remote-control over our RX-340 using your broadband connection! And you will be running the full version of WorldStation™ 4.3. Audio is automatically streamed to your PC.

Some people claim that shortwave radio is "scratchy" and not listenable. The truth is, audio quality can be excellent and very enjoyable with a decent antenna and speakers. The sample below proves our point! Customers are thrilled with our state-of-the-art point and click station databases shown in the video.


Our software received an outstanding independent review in the June and July 2008 issues of the prestigious "Monitoring Times" magazine!

Click here to see Part 1 of the WorldStation™ 4.2 review (pages 72-73).

Click here to see Part 2 of the WorldStation™ 4.2 review (pages 72-73).

Our exclusive shortwave radio bundle is only $415.95 and includes the American made Ten-Tec RX-320D with an included USB to serial port adapter and our WorldStation™ 4.3 software (an $80 value). See this page for a full list of benefits when you buy from Dxtra.

Speaking of our software for a moment, WorldStation™ has over 100 features and has been upgraded on a continuous basis for years. Click here to see a real-time view of shortwave stations on the air, updated every minute. The schedule you see displayed is from the actual database shipping with your copy of WorldStation™.

Ten-Tec RX-320 Receiver

Get into 21st century shortwave listening by leveraging the power of your personal computer running the Windows XP or Vista operating systems. You get a true high performance shortwave receiver, the Ten-Tec RX-320D and our advanced, yet easy to use WorldStation™ control software. Your radio is shipped directly from the Ten-Tec factory with the full warranty and return policy.

The Ten-Tec RX-320D DSP Shortwave Receiver (made in USA)

(Rated 4 stars from "Passport to World Band Radio" )

Note the simple connections on the RX-320D: power in, power switch, serial port, line out, volume out and IF out and antenna. The IF output jack connects to your PC's sound card and allows you to listen to digital shortwave broadcasts with DREAM. You can use a readily available USB to serial connector if your PC does not have a serial port.

The Ten-Tec RX-320D PC Controlled Shortwave ReceiverRX-320D

Our WorldStation™ Software is a Feature Rich Package Now In It's 4th Generation!

Take the RX-320D shown above and add our famous WorldStation™ software and you have an unbeatable shortwave listening package!

Please click on a thumbnail image below for a high-res picture of the feature. All radio drivers support all the features shown below.

Order Anytime From Our Secure Store

You can place an order with us any time 24/7 through our secure store with Verisign. And your purchase is always covered by the full Ten-Tec factory warranty and return policy. This is a the best deal for shortwave radio package anywhere, the RX-320D has true DSP radio performance at a bargain price. Coupled with our amazing control software, you have a world-class "listening post" just a mouse-click away.

Our WorldStation™ 4.3 control software gives you comprehensive "point and click" database support including, ILG, HFCC and FCC AM station databases. WorldStation™ software is a feature-rich software package, including MP3 recording, scheduling, and even Google Earth integration for databases, so you can "fly to" transmitter sites! And WS 4.2 is Internet enabled, you can control your radio on a LAN or across the Internet.

Additional Product Details

The RX-320D "PC Radio" shortwave receiver is famous for its performance and so is our WorldStation™ software. The RX-320D is a computer-controlled DSP shortwave receiver with no front-panel. Our software is custom designed for the RX-320D and provides flawless support for point-and-click databases, scanning — and networking (TCP/IP) is built-in at no extra charge. This enables you to to use your radio remotely while on the road wherever you have an Internet connection. WorldStation™ solves the problem of "What's On Shortwave?" with a simple, high-speed database lookup. WorldStation™ 4.0 was released in January of 2006, the result of over one year of full-time development on top of the third generation of the software. We are now up to the 4.2 release. If you would like to learn more about Shortwave Listening, please click on this Wikipedia article on Shortwave Listening link, which Dxtra helped to write.

This point-and-click "TV Guide" like table is updated automatically every minute for effortless "channel surfing". The factory software that ships with the radio does not have anywhere near the feature set of WorldStation™ and provides basic tuning only. Shortwave radio is known for frequent channel changes — there are over 1,000 actively used shortwave "channels" (i.e. frequencies) but their use varies by time of day, location and even season of the year. So having database support is an indispensable tool. The database will instantly answer questions like "What are all the active BBC World Service frequencies right now?" or "Can I hear Radio Australia from the East Coast of the US in the morning?" (yes you can on 9580 KHz) .

We also include the DREAM / DRM digital software as a bonus — a $40 value. The DREAM software will allow you to decode with your PC's sound card the new digital FM quality shortwave broadcasts. This is truly 21st century shortwave listening at its best! Check out some of the extensive features built-into WorldStation™ by looking at our screenshots.

Already have a receiver? Our WorldStation™ 4.3 control software is sold separately for the Ten-Tec RX320, RX-340/331, RX-350, ICOM R-75, Ten-Tec Orion and Orion II, Ten-Tec Jupiter, Drake R8A/B and the TCI 8174 receivers. A full demo version is available, just contract DXtra via email. You must have your PC connected to the internet to use the demo.

New Feature: Click here for a Google Interactive Map of World Shortwave Transmitters!

VISAMasterCardAmerican Express  Secure Ordering At Any Time From Our Store via Verisign  VeriSign


We are an authorized dealer (since 1999) for the full lineup of quality American made Ten-Tec shortwave receivers. All radios are bundled with our feature-rich control software and have free UPS ground shipping. Dxtra's WorldStation™ is the market-leading radio control software for your Ten-Tec RX-320D, RX-340, RX-350D, Drake R8A, Drake R8B, Japan Radio 535D and the new Orion amateur transceiver.


Click here to join worldstation
Click to join Dxtra's Worldstation User Group

New - Click Here For a High Resolution Screen Shot of WS 4.3!

Our control software is simply the most feature-rich, powerful shortwave software available anywhere

Look at this feature list: Full ILG database integration, Full HFCC database integration, Hyperscan, program Scheduler with automated mp3 recording and playlist generation, built-in TCP/IP networking, Powermate USB tuning dial integration and much more!


CLICK to Listen to a Pre-Recorded Audio Sample of a DRM DIGITAL Shortwave Broadcast recorded from an RX-320D

All Ten-Tec receivers come equipped with a standard serial port for easy connection to your PC. Our software is also fully integrated with the industry standard ILG shortwave database. Click here for a recorded audio sample from the RX-320D of the Voice of Russia recorded at our Long Island location. The RX-320D can also receive the new DRM digital shortwave broadcasts. Click here for a recorded DRM signal from Radio Canada International.

The Ten-Tec lineup of shortwave radios are all DSP (Digital Signal Processing) based for incredible signal control. Our software is also sold separately if you own one of the above radios. FREE shipping on all Ten-Tec radio purchases. FREE shortwave database included with every purchase. FREE memory database of 1,000 commonly used emergency and military frequencies. Looking for a portable shortwave receiver instead? No problem. Click here for Dxtra's "top picks", no matter what your budget.

The first and still the best "PC radio" is the Ten-Tec RX-320D shortwave receiver. The RX-320D has no front panel and is controlled by your PC using Dxtra's software. Why is PC control superior? PC control gives you exciting features that no manual radio can match - like a "What's On" database of shortwave stations. Just point and click with your mouse.

Dxtra provides complete shortwave packages that feature premium radios with our advanced, yet easy to use, control software. Our WorldStation™ software leads the market in features and quality.

Purchase an RX-320D PC shortwave radio and you get Dxtra's powerful WorldStation™ software included. And we always pay for shipping. Our bundled price of only $415.95 gets you into shortwave listening with the added advantage of state-of-the art PC control. Purchase anytime via our secure web-site and your radio order is sent instantly to the Ten-Tec factory in Tennessee. WorldStation™ 4.2 has a commanding lead over over software packages in quality, features, performance and support. As the largest RX-320D reseller, Dxtra is able to pass on savings to our customers. For emergency use, all Ten-Tec radios can optionally run off any 12 volt DC power supply. We ship worldwide via Fed-Ex.


Dxtra's software also supports radios from other radio manufacturers including WorldStationTM 3.4 / Drake R8A/B.

FREE Shortwave Primer and Comparison Chart - click here.

WorldStation™ 4.2 Radio Control Software Specs

Installation,   Supported Operating Systems
and Networking

WorldStationTM is a networked client server application. No user configuration is required to run the application on a stand-alone PC. The software makes use of the built-in TCP/IP loopback network interface built into the PC's operating system  to communicate between the client and the server.

The software is optimized for Windows XP, Vista and Windows 7, since the vast majority of customers now utilize those operating systems.  There is no Linux port of WorldStationTM at this time, although it is under consideration  for a future date.  Windows 98 is NOT supported due to problems in its network support libraries.

The WorldStationTM client can connect to the WS server remotely over a TCP/IP LAN connection by opening a DOS window any typing the client program name followed by the IP address of the server . Netmeeting or similar H323 conferencing programs (like openphone) can be used for a real-time audio feed.

WorldStationTM is shipped as an email attachment zip file with  all required files and run time libraries. There are no external  "run time" modules (such as Java) that need to be downloaded and installed. Included license "key" files must be placed into the WS directory for the software to operate. Other than that, no end-user configuration EXCEPT the serial port of the radio may need  to be configured. The default serial port is COM1 - this can be easily changed by editing the global "dxconfig.txt" configuration file.

The WS server opens a DOS console window that prints out various start up and connection messages. When the client  GUI is shut down (by clicking the Power button), the server can  be left running waiting for new connections. In this mode (no client connected) it uses practically no computer resources.
Many tuning modes are supported including direct keyboard entry. All tables are "point and click" to set frequency and mode. There are upper and lower MAIN tuning buttons on the GUI.  Also included are FINE TUNING buttons and a fine tuning slider. Fine Tuning automatically adjusts the step size below the main tuning step size. Integrated band slider allows for quick drag tuning within a band.  Each Scan Panel supports point and click tuning and has mini-tuning buttons. Mouse-wheel tuning and Powermate tuning are also supported. You can use the keyboard left and right arrow keys for tunnig,

Multiple tuning rates are supported in the "Tuning Rates" control including 9 kHz for European AM broadcasting.
Bandwidth Selection
Bandwidth selection is automatically linked to the selected  mode.  All  bandwidth defaults settings are user  configurable via the global text config file. All bandwidths for every radio are supported. The Orion driver supports 900 bandwidths in a step size of 10Hz.
GUI Controls Customized  GUI (Graphical User Interface) controls were created for each supported radio. The Orion driver adds sophisticated linked controls between the MAIN and SUB receiver drivers and GUI's.  This makes possible  (for example) support for "one-button" SPLIT operation. The Powermate USB tuning knob is supported - Dxtra is a dealer (see the Store).
Supported Radios
Drivers are currently shipping for the Ten-Tec RX-320D, RX-340, RX-350D, Orion ham transceiver, Drake R8A , R8B and the Japan Radio 535D
Frequency Offsets (RX-320D)
The RX-320D driver supports four (4) sets of frequency offsets for: USB, LSB, SYNC-U, and SYNC-L respectively. The  Frequency Offset  algorithm takes 3 user generated offset points and computes a linear regression equation to adjust the offset frequency for any intermediate frequency within the supported frequency range of the radio.  This method produces a very accurate offset - close to 1 Hz. This makes synthetic SYNC mode effective. The RX-320D has no factory built-in support for SYNC reception such as you will find in the RX-340 and RX-350D. The SYNC modes have a wider bandwidth than pure LSB or USB. (See Bandwidth). All frequency offset points are in Hz.
Mode refers to the demodulation modes supported by a given radio. Examples are AM, USB LSB etc. The RX-340 supports specialized modes such as ISB and DRM and they are supported. All demodulation modes for every radio are supported (see the respective user guides). The RX-320D driver adds synthetic upper and lower SYNC modes and a DRM mode for audio routing. (See Frequency Offset). Simulated SYNC allows for the automatic tuning of the sidebands of an AM signal for greater clarity and resistance to fading. (See Frequency Offset)
Band Table Every copy of WorldStationTM ships with an integrated Band Table. Common shortwave, utility and ham bands within the HF Spectrum are included. CLicking on a Band Table row sets up the mode, tuning step size, upper and lower band frequencies and bandwidth (See Bandwidth).  There is a Scan button on the Band Table for one-button automatic scanning of a selected band. The Band Table is editable with any text editor such as Notepad.  Multiple band scans simultaneously are supported. (See Scanning)
Memory Table
Every copy of WorldStationTM ships with an integrated memory table. This table contains about 1,000 commonly used utility frequencies for NASA, FEMA, maritime, and the US military. Full form entry of new frequencies is supported. Table Scanning is fully supported. The end  user can create a synthetic band by selecting INDIVIDUAL  rows of the table or GROUPS of rows. Row selection is done by the standard Windows SHIFT select or CTRL select key board commands. Once a group of rows is selected, clicking on the SCAN button on the top of the table will start a scan. The selected rows are automatically re-sorted from low frequency to high frequency  and a synthetic band is created. Pointing and clicking on a channel in the table will automatically  set the frequency, mode etc. for that channel.  Multiple table scans simultaneously are supported. (See Scanning)
Program Scheduler
Every copy of WorldStationTM ships with an integrated scheduler table. This table allows the user to easily set up a programmed listening schedule. A wide range of program intervals are supported  including daily, weekday, weekend, day of the week, and specific calendar day.  Full form entry of new schedule items is supported, including a calendar pop-up to enter a specific date in the future.  There is a one-button Activate / Deactivate scheduler at the top of the table. Individual Start and End times in UTC are supported for each entry in the table. The Scheduler can background record any broadcast in MP3 mode with automated playlist generation. A timed event is supplied that can be set to regenerate a new playlist at a specific time.
ILG Shortwave Database The EiBi and Aoki shortwave database are included in our program. EiBI and Aoki is noted for providing highly accurate shortwave schedules. WorldStationTM greatly enhances the databases by indexing them by every minute of the day and by frequency. The resultant "What's On"  table is updated automatically every minute in background. If you are busy clicking the "What's On" table, the software will detect this and not update the table "from under you". It will wait for at least one minute where no clicking activity has taken place before resuming updates.

To select a station, the end user just clicks on a row of the table. Likewise you can tune to a shortwave frequency and the "Frequency Lookup" table will list all the station "playing" on that frequency -  without filtering. Extensive datbase filtering is supported via the global text configuration files. You can filter by language or exclude (using free form text) any station in any field that matches your exclusion text.

Typical update time to our Dxtra indexed format is under 2 minutes for a typical Pentium 4 system, proportionally longer for slower systems. Our exlcusive "one button update" feature means you no longer have to worry about the detailes of database updating. Justselect update and everything is done for you.

The user can set his or her latitude and longitude in the configuration file. An additional column will be computed using the EiBi / Aoki data for "distance". This is the Great Circle Distance in miles between the users defined location and the database defined lat and long for the station in question. (See Configuration file)
Scanning WorldStationTM supports powerful integrated Band and Table scanning.  HF signals are notoriously "jumpy" and WS therefore uses signal averaging  to smooth out these random noise spikes. WS scanning is optimized for the HF bands, which unlike VHF and UHF scanning always have a "signal" present - even if the signal is just noise.  Band Table (see Band Table)  and Memory Table (see Memory Table) scanning are supported.  Scanning proceeds from left to right across a band or list of channels. The step-size of the scan is defined in the defined in the Band Table.

A "Scan Panel" is created that draws a signal bar for each returned signal strength.  The height and color of that scan bar is proportional to the signal strength.  If a scan bar is clicked the scanning will stop and the radio will be set to that frequency or channel.  Multiple simultaneous Scan Panels can be run at one time (See HyperScanTM).

A user can select multiple bands to scan at once from the Band Table by using SHIFT or CTRL mouse select and then by clicking the Scan button. The software will then open the multiple selected bands for scanning.

Each Scan Panel sports mini-controls that ease use of  scan facility. There are tuning controls for example that allows up/down tuning without having to move the mouse to the main GUI.
A unique feature of the software is the ability stack multiple band scans at once. The sophisticated messaging system built-into the software keeps track of data flowing from the server and assigns each  signal strength packet to the appropriate Scan Panel.  For advanced users a Clustering scanning capability is also available at additional charge that permits background scanning. (See Clustering)
Clustering Support
Multiple RX-320D's (the typical configuration) can be set up as a "scan bank" to scan in background. One radio (.i.e. the primary radio) is set up for listening. Clicking into a Scan Panel will tune the primary radio instantly while allowing scanning to continue non-stop in the background. A "work load" manager built-into the software ensures that each radio gets parceled out an even amount of work.  The more radios that are added to a scanning cluster the faster the scanning will be, since the cluster operates in true parallel mode.

In the case where all the radios in the scanning cluster (including the primary of course) are RX-320D's, a special  "Turbo" mode is provided whereby the main or listening radio can be temporarily added to the scanning cluster for increased scanning performance. Clicking the Turbo button in any Scan Panel can turn this feature on and off. In a small cluster of two radios (the minimum configuration), this feature can significantly boost performance.

Adding more radios to a scanning cluster gives a linear (on for one) scale-up of scanning performance (2X, 3X, 4X etc.)   Each radio requires a unique serial port. There is a section in the global configuration file which shows example lines in setting up a cluster.  As shipped, the cluster section is commented out.

If the end-user has a Cluster license and the cluster is not being used,  the software will note this and print a message in the server console  window.
Motifs WorldStationTM ships with five (5) interchangeable"brushed metal" styled front-panels that are user  selectable from the main control panel.
Clocks The standard WorldStationTM  GUI (Graphical User Interface) front-panel has two clocks, one for Local time and one for UTC time. UTC time is commonly used for shortwave schedules.
Logging You can elog entries to the Memory table.
Configuration File The text configuration file that ship with the software has the following user customization features:  default bandwidths for each mode for each  supported radio, languages and text filtering,  RX-320D frequency offsets for USB. LSB, SYNC-U and SYNC-U, serial port for main radio, cluster radio serial ports and drivers, user latitude and longitude (see ILG).
Serial Ports The software supports any legal serial port name under Windows and will work perfectly with USB serial port adapters. The software as shipped defaults to the "COM1" serial port, since most PC's come with at least this port enabled.
General Use of Software
The standard use of the software revolves around the use of the Band Table. The user should open this table and click on  individual bands of interest. The Band Table also limits the chunks of the spectrum that the radio can scan through for one band.  The PC screen can only accommodate a limited (but useful) number of scan "channels" at once.  In addition  to frequency limits, the Band Table automatically sets Mode, Step size and also bandwidth.

Imagine The Value of Having A Shortwave Database That Tells You EXACTLY "What's On" - updated Every Minute!

Shown below is WorldStation™ 4.2 and the RX-320D PC Radio Only $415.95 For A Complete System!

Dxtra has shipped over 1,000 RX-320D systems worldwide - your order is routed directly to the Ten-Tec factory

DRM (Digital Radio Mondiale) Digital Shortwave Support Now Built-Into in the RX-320D!

If you are not familiar with DRM already - it is a new ITU standard for the transmission of digital shortwave broadcasts. The RX-320D is the first DRM software "off the shelf" compatible receiver on the market

By simply connecting the DRM output signal from the RX-320D to the "microphone" or "line-in" jack of your PC sound card, and using using the DRM software, your PC can decode the DRM transmissions. The DRM decoding software is available at The audio decoding of the software is automatic via your sound card and has nothing to do with WorldStationTM 4.3 to avoid any confusion.

DRM, is the leading ITU standard for the digital transmission of radio signals in the shortwave bands.

Ten-Tec Receivers Are Made in the USA

The RX-320D, RX-340 and the RX-350D high-performance radios are made in the USA and are fully PC controllable. The shortwave bands are packed with hundreds of uncensored English language broadcasts each day. Turbo-charge your shortwave listening with the finest radios and software from Dxtra! Any Questions? Please call us toll-free at 1-516-765-2378. For your convenience, you can order 24/7 from our on-line secure store.

PC controlled radio is the hottest trend in shortwave listening. If you are considering purchasing a new shortwave radio insist on full PC control and DRM cpability to "future proof" your investment. Why settle for a tabletop receiver with no PC control capability?