2010 Frequency Database for the
Perseus LF-HF Software-Defined Receiver

Ready-to-use specially formatted individual USERLIST.TXT file with our latest frequency data

Total 16'545 entries

The only database that includes both broadcast and utility radio stations worldwide!

Today, thousands of digital data stations are active on tenthousands of HF frequencies. Cutting-edge technology is used for automatic data transmission over worldwide aeronautical, company, diplomatic, military, maritime, and NGO e-mail networks. Receiving and decoding these stations is far more fascinating than listening to broadcast radio stations. We've been leading in this field for 41 years! Below you will find a few - very recent! - examples of what can be really monitored today. Several hundred screenshots can be found here. Read our Perseus User Test here!

The frequency 8424 kHz used by coastal stations gives you five entries. The waterfall display here is 100 kHz wide and shows eight DIG stations in full detail, from left to right

2010 Super Frequency List on CD shows many more details!

2009/2010 Guide to Utility Radio Stations shows many more details!

Digital Data Decoder Screenshots on CD gives you more than 7,400 (seven thousand four hundred!) decoding examples!


Now let's zoom on a typical PSK aggregate signal of station FUG on 8454.8 kHz, and decode STANAG 4285 by means of amateur decoding freeware SIGMIRA. The waterfall display here is 12 kHz wide and shows the complex aggregate and signal propagation fading in full detail. Note also the typical rectangular PSK FFT spectrum in the filter display. STANAG 4285 and similar complex PSK systems are described in detail in our Radio Data Code Manual, the standard international reference book for HF COMINT ELINT MASINT SIGINT. Below is the same transmission decoded with the leading professional WAVECOM W-CODE system for advanced users. Click to enlarge!


Here is another PSK aggregate signal: station FUO on 2610.2 kHz, with STANAG 4285 decoding again by means of amateur decoding freeware SIGMIRA. The waterfall display here is 12 kHz wide and shows other strong PSK aggregates nearby as well. The Z code used by military stations is described in detail in our bestseller 2009/2010 Guide to Utility Radio Stations. - Below is the same transmission decoded with a professional WAVECOM W61 system for advanced users. Click to enlarge!


Another strong PSK signal on 2998 kHz. The 249 milliseconds 1440 Hz prekey tone on 2999.44 kHz, followed by a complex BPSK and MPSK aggregate burst, is clearly visible. This is ACARS, described in detail in our Radio Data Code Manual, the standard international reference book for HF COMINT ELINT MASINT SIGINT.


Here we zoom on a CIS-36 MFSK signal on 13400.0 kHz. The two spaces between the three asymmetric frequency groups are clearly visible. CIS-36 and similar complex MFSK systems are described in detail in our Radio Data Code Manual, the standard international reference book for HF COMINT ELINT MASINT SIGINT.


This is a weak FSK signal from Chad on 14587.2 kHz. Waterfall display set to a span of 1.6 kHz shows full details.


The frequency 3995 kHz gives you 13 (thirteen!) entries among broadcast and utility radio stations. All these entries are perfectly scrollable. The ALL button, next to the User button, allows the display of all entries in the pertinent database, independent of the time of day, with entries at the actual reception time highlighted in bright yellow. The waterfall display here is 50 kHz wide and shows in full detail, from left to right

2010 Super Frequency List on CD shows many more details!

2010 Shortwave Frequency Guide shows many more details!


Zoom on the strong PSK aggregate signal carrying the DRM broadcast of All India Radio on 9950 kHz with virtually no fading and a signal-to-noise ratio of more than 26 dB!


The frequency 6015 kHz gives you 24 (twenty-four!) entries. All these entries are perfectly scrollable. The ALL button, next to the User button, allows the display of all entries in the pertinent database, independent of the time of day, with entries at the actual reception time highlighted in bright yellow. The waterfall display here is 100 kHz wide and shows two "colourful" PSK aggregate signals carrying the DRM broadcasts of TDP Radio from France on 6015 kHz, and Radio Vaticana on 6060 kHz. Several carriers of standard AM broadcast stations are displayed as well.

2010 Super Frequency List on CD shows many more details!

2010 Shortwave Frequency Guide shows many more details!


Just for the record ... the strictly required USERLIST.TXT format is rather inflexible and restrictive, and due to lack of space within the Perseus' graphical user interface that gives you a mere 280 x 80 pixels ...

... it is limited to a total height of 5 scrollable (!) lines only, and to a total width of 82 characters per line, e.g. typically five small columns for Frequency, Time, Country, Station, and Language, and it is more or less incompatible with our detailed frequency lists of utility radio stations, i.e. the really interesting stuff, as perfectly demonstrated here. What's more, because of these limitations

By consequence, we offer this database as is, without any further editing after the format conversion, at a heavily reduced price referring to our standard DBF databases used by professional radio monitoring services. For perfectly edited broadcast radio station lists with a superb and unique ergonomic layout, both in frequency and alphabetical order, please refer to our Shortwave Frequency Guide. For a perfectly edited utility radio station frequency list with full details and exact schedules plus thousands of up-to-date reception times, please refer to our bestseller 2009/2010 Guide to Utility Radio Stations.

Perseus HF Stations Database by Klingenfuss Radio Monitoring
based on BC2010.DBF and UT2010.DBF, total 16'545 entries!

Perseus HF Stations Database by Klingenfuss Radio Monitoring
based on BC2010.DBF and UT2010.DBF, total 16'545 entries!

Perseus HF Stations Database by Klingenfuss Radio Monitoring
based on BC2010.DBF and UT2010.DBF, total 16'545 entries!

Needless to say, for decades we've used standard international three-letter codes for all countries worldwide defined in ISO 3166 ALPHA 3 and modified for the English language, e.g. AFG BRA GER SAF SPA SWE TAI, avoiding absurd abbreviations such as "AFS", "ARS", "D", "E" et al that are perfectly incomprehensible in today's English-speaking world, and we do use standard two-letter language codes defined in ISO 639 1 ALPHA 2 mnemonically modified for global use, e.g. Ha Mn Sp En Pt as referring to the screenshot above.

What's more, our Super Frequency List on CD gives you a total width of 129 characters per line, that is 57 percent more information than a mere 82 characters. Enjoy!

The installation of our userlist.txt file is very easy. Click to enlarge!


Serious proposals for optimized software features facilitating the basically ignored reception of utility radio stations. Speriamo che si muove qualcosa ...

USB is the standard mode in professional monitoring and decoding of digital data stations on HF. However, PERSEUS software is unable to display the pertinent entry in our perfect USERLIST.TXT database since the standard 1700 Hz offset for digital data decoding by e.g. SIGMIRA is greater than the fixed 499 Hz - see e.g. RETJ on 6247 kHz.

STANAG 4285 and similar complex PSK systems are described in detail in our Radio Data Code Manual, the standard international reference book for HF COMINT ELINT MASINT SIGINT. Below is the same transmission on 8318 kHz decoded with a professional WAVECOM W-CODE system for advanced users. Click to enlarge!

What we - and other professional users - ask for is at least a user-definable frequency offset - and frequency range! - for the database window.

1700 Hz offset for the reception of digital data signals
and a reasonable frequency range of e.g. ± 10 kHz
would give you many more details
A perfect layout is our 2010 Super Frequency List on CD!

A makeshift solution to overcome this problem is to

Now, using the "RTTY" mode, the pertinent entry in our USERLIST.TXT database will be perfectly displayed, while decoding and proceeding the results at the same time. See the example above where we also use the marker function to measure the exact centre of the digital data signal that is 8318.000 kHz here. Note that our frequency lists always refer to the centre frequency f0 as internationally agreed, and not to any offset - see chapter 3.1 in our bestseller Radio Data Code Manual. Again, USB is the professional standard setting and there are no amateur "modes" such as "CW", "FAX", "RTTY" et al!

This would be our favourite GUI, with the frequency scale in the main window - i.e. the most important parameter at all that is virtually illegible in the current GUI! - dramatically improved.


As you can see from the samples above, the PERSEUS LF-HF Software Defined Receiver, with its latest software version, is pretty good. With our proposals implemented - and more to come! - it could be considerably improved for the reception of the really interesting stuff! For less than 1,000 EUR, its technical performance is probably as good as any of those traditional 10,000+ EUR/USD boat-anchor receivers from CUBIC, HARRIS, ICOM, JRC, RACAL, RS, TENTEC, and the like. Complimenti, ragazzi lagiù oltroalpe. È davvero un capolavoro!

For professional applications, the combination of a PERSEUS HF receiver and a WAVECOM Digital Data Decoder such as the W-CODE will drastically revolutionize traditional HF COMINT ELINT MASINT SIGINT working procedures. A WAVECOM located anywhere in the world can be addressed and controlled via Internet. We expect the same for future versions of PERSEUS et al. What's more, the cost of around 10,000 EUR for one basic radio monitoring post, comprising e.g. a PERSEUS and a WAVECOM, is simply ridiculous.

And for the advanced amateur or hobbyist, PERSEUS and WAVECOM are just ... big fun!

The frequency range around 12721 kHz shows several state-of-the-art digital data signals - the really interesting stuff:

The frequency range around 4238 kHz shows no less than ten state-of-the-art digital data signals - the really interesting stuff:

Here we use a professional WAVECOM W-CODE system for advanced users to decode HEB carrying a PACTOR-2 emission on 13025.5 kHz. Click to enlarge! Needless to say, WAVECOM cracks PACTOR-1 and PACTOR-2 and PACTOR-3 plus dozens of customer-specified variants!

Here we zoom on HEB carrying a PACTOR-3 variant emission. The 18 different tones spaced 125 Hz are clearly visible, occupying a total spectrum of 2125 Hz. Needless to say, WAVECOM cracks PACTOR-3 and several customer-specified variants!

Here we zoom on the PSK aggregate signal of station IDR on 8151.0 kHz, and decode STANAG 4285 by means of amateur decoding freeware SIGMIRA. The waterfall display here is 12 kHz wide and shows the complex aggregate and signal propagation fading in full detail. Note also the typical rectangular PSK FFT spectrum in the filter display. STANAG 4285 and similar complex PSK systems are described in detail in our Radio Data Code Manual, the standard international reference book for HF COMINT ELINT MASINT SIGINT. Below is the same transmission on 4227.5 kHz decoded with a professional WAVECOM W-CODE system for advanced users. Click to enlarge!


Here we zoom on the PSK aggregate signal of station FUE on 4240.2 kHz, and decode STANAG 4285 by means of amateur decoding freeware SIGMIRA. The waterfall display here is 12 kHz wide and shows the complex aggregate and signal propagation fading in full detail. Note also the typical rectangular PSK FFT spectrum in the filter display. STANAG 4285 and similar complex PSK systems are described in detail in our Radio Data Code Manual, the standard international reference book for HF COMINT ELINT MASINT SIGINT. Click to enlarge!

Now let's zoom on the PSK aggregate signal of station FUE on 4240.2 kHz, and decode STANAG 4285 by means of a professional WAVECOM W61 system for advanced users. Click to enlarge!

Here is the same procedure with a professional WAVECOM W-CODE system for advanced users. Click to enlarge!

Since its introduction in 2009, we've seen that many customers order both our USERLIST.TXT database plus the Super Frequency List on CD. By consequence, we've introduced a new package deal for both products combined that saves you 10 EUR! For details and even more package deals please see our price list.