Category Archives: New Products

The NSA’s Software Defined Radio application “RedHawk” is now open source

Many thanks to SWLing Post contributor, Andrew, who writes:

Not kidding, a friend told me that NSA released a bunch of software to open source, the main list being here:

https://code.nsa.gov/

While looking at the list of projects on that page, halfway down the page, I found a project called “RedHawk” which is described as:

“A software-defined radio (SDR) framework designed to support the development, deployment, and management of real-time software radio applications.”

Now, being curious I opened the github link:

https://github.com/redhawksdr

[It] contains quite a number of subprojects, modules and other stuff, then I checked the main “RedHawk” project:

https://github.com/RedhawkSDR/redhawk

Here’s the documentation:

https://redhawksdr.github.io/Documentation/index.html

It seems really interesting; apparently it allows to define a wealth of processing stages (e.g. filters, converters…) and connect them to process signals coming from an SDR; I think it may be a very interesting and useful tool to fiddle/experiment with SDR receivers, if I’m not wrong it may allow to push an SDR to the limits, improving its performance, and may also be useful to write SDR software!

Fascinating! Thank you for the tip, Andrew!

Post Readers: It appears this project has been in the public domain for a little while. Please comment if you’ve tried implementing RedHawk in your SDR system!


Do you enjoy the SWLing Post?

Please consider supporting us via Patreon or our Coffee Fund!

Your support makes articles like this one possible. Thank you!

New release of Win4K3Suite includes broadcast EIBI schedules

Many thanks to SWLing Post contributor,Randy (KS4L), who shares the following update via Tom Blahovici of Win4K3Suite:

There is a new release of Win4K3Suite.

This release adds a number of new features. One of these is bound to bring you back in time…Win4K3Suite now includes the ability to search and display Shortwave radio stations if you have the general coverage option in your radio. This is made possible by supporting the EiBi database (eibispace.de) which is published 4 times a year. Here is an example of this in use with the built in Panadapter of Win4K3:

In addition, there are a number of additional new features and improvements such as a 1kHz snap in the spectrum and quicker resets of the ClubLog window.

You can find out more about Win4K3SUite here: https://www.youtube.com/results?search_query=win4k3suite and at the website va2fsq.com.

There is a free 30 day fully functional trial.
73 Tom

Thanks for sharing this, Randy! Since the KX3 and KX2 are some of my favorite portable broadcast receivers, this is a most welcome development. I may have to give Win4K3Suite a try!

Any reviews of the JINSERTA Mini portable radio?

Many thanks to SWLing Post contributor, Marc Thomas, who writes:

I was wondering if anyone has tried this $40 receiver that seems to have an exceptionally broad frequency coverage:

SW: 2-30MHZ, 5KHZ STEP
AM: 520-1720, 9K/10K STEP SEL
FM: 87.5-108MHZ, 0.1MHZ STEP
AIR: 118-138MHZ, 5K/50K STEP SEL
VHF: 30-223MHZ, FM-N/FM-W
CB: 25-28MHZ, 5KHZ STEP

Links to several sellers:

Link to the manual on this page:
http://www.beliteaircraftstore.com/radiant-pocket-radio-receiver/

Not sure I like the proprietary looking battery.

Thanks.

I am not familiar with this radio, Marc, other than I can see the physical similarities with the Eton Mini. The Eton Mini, however, does not have the VHF coverage of this radio.

Post readers: Is anyone familiar with the JINSERTA Mini? If so, please comment!

Quick Look: the RADIWOW R-108, a new DSP shortwave portable

Last week, I received a new portable shortwave radio by the post from China: the Radiwow R-108.

The brand, Radiwow, was new to me, but I suspect they’re linked in some way to the folks behind XHDATA. They contacted me around the Thanksgiving holiday and inquired about evaluating this new portable receiver. I replied, asking a few questions about the unit–you see, I don’t typically agree to take a look at a new product if I think it could simply be a re-badged version of something currently on the market.

Their reply was simple:

“Yes, it is shortwave radio, like PL-310ET radio but add air band, and better reception performance. Your tracking number is…”

So evidently, it was already on the way.

Radiwow claims the performance is better than that of the venerable Tecsun PL-310ET. This, I will have to test because the PL-310ET is certainly a workhorse Ultralight radio. And the R-108 includes air band? Sounds like a CC Skywave without weather radio. That could be quite appealing if the price is competitive.

And it seems this little radio fits neatly into the requirements of Ultralight DXing, thus I hope Gary DeBock and Guy Atkins might take a look as well.

In addition, the R-108 includes longwave frequencies. Something I know will please a number of our readers.

Here are some of the key points I gleamed from a digital copy of the owner’s manual:

Radiwow R108 Features:

  • Frequency range:
    • Longwave: 150-450 kHz)
    • Mediumwave/AM: 520-1710 kHz w/10 kHz steps, 522-1620 kHz w/9kHz steps
    • Shortwave: 1711-29,999 kHz
    • FM: 87.5-108 and 64-108 MHz
    • AIR: 118-137 MHz
  • ATS memory scans on all bands
  • 500 available preset memories
  • Squelch control
  • Direct keypad entry of frequencies
  • Clock function with sleep timer, snooze and alarm (buzzer or radio)
  • Keylock
  • FM stereo
  • AM bandwidths: 6, 4, 3, 2, and 1 kHz selections
  • Music/Voice audio modes
  • Built-in intelligent charger for included 3.7V 1500 mAh Li-ion battery pack

By the way, I suspect Radiwow is linked to XHDATA because 1.) they knew my shipping address without asking and 2.) their website prominently features the XHDATA D-808.

In addition, the only other place I could find the R-108 listed on the Internet is via AliExpress. As with the introduction of the XHDATA D-808, the AliExress price is (today) absurdly high. To me, this indicates that the page is simply a placeholder until the first production run is ready to ship.

I have a PL-310ET and you can count on me to compare the two sometime after the holidays.

In the meantime, I thought I’d share a few photos of the unit.

I must admit, the front panel of the radio looks familiar, but perhaps only because most other DSP portables have a similar layout. Please comment if you know of an identical portable.

Follow the tag Radiwow R-108 for updates.


Do you enjoy the SWLing Post?

Please consider supporting us via Patreon or our Coffee Fund!

Your support makes articles like this one possible. Thank you!

WRTH 2019: A look inside

I received my copy of the 2019 World Radio and TV Handbook (WRTH) directly from the publisher earlier this week. It arrives annually–without fail–just prior to my Christmas holiday travels.

I look forward to receiving this excellent staple radio reference guide–and this is their 73rd edition! The WRTH has never disappointed, so my expectations are always quite high.

Once again, the WRTH lived up to my expectations.

WRTH’s team of noted DXers from around the world curate frequencies and broadcaster information by region; while I’m not sure how they orchestrate all of this, the end result is truly a symphony of radio information. In addition to broadcaster listings, WRTH’s radio reviews, feature articles, and annual HF report make for excellent reading.

But the WRTH isn’t just a frequency guide: the publication always devotes the first sixty or so pages to articles relating to various aspects of the radio hobby. Following, I offer a quick overview of these.

The first article always features a WRTH contributor:  this year, they feature Kai Ludwig who is their contributor for Germany. His lifelong passion for international broadcasting started in what was then East Germany–he watched with interest as the broadcasting world change around him as the Iron Curtain fell.

The second set of articles is always my favorite: WRTH receiver reviews.

The AirSpy HF+ SDR

This year, WRTH begins with a review of the WinRadio Excalibur Sigma SDR receiver–which essentially set a new benchmark.  They also review the SDRplay RSPduo, AirSpy HF+ (which truly impressed), the Reuter RDR51 “Pocket” SDR, XHDATA D-808 and the new Icom IC-R30 wideband handheldWhat I love about the WRTH review selection is they span products ranging from £70 all the way up to £6200! Certainly, choices for everyone.

 

The next feature article, written by none other than Dave Porter, focuses on curtain antennas–the true work horses of international broadcasting. His article speaks to the history and theory behind curtains and notes several types often used by international broadcasters. A must-read!

Hans Johnson’s feature, Broadcasting For Peace, tells the inspiring story of how two stations with one mission helped promote peace in a troubled region of Africa. It truly is amazing how these stations gave their listeners a voice and hope.

The following article highlights a broadcaster on the opposite side of the globe: V7AB in the Marshall Islands. For this feature, journalist Mika Mäkeläinen traveled to the Marshall Islands and visited this powerful national AM broadcaster.

Speaking of powerful broadcasters, TWR Broadcast Engineer, Dave Pedersen, authors an article outlining the reasons for and challenges of operating and maintaining TWR’s Bonaire MW transmitting station.

Next, WRTH spotlight the annual Digital Update which summarizes the dynamic state of digital broadcasting. I’ve found this feature to be incredibly informative as we see how digital broadcasting is penetrating both domestic and international services.

The final article–a tradition–is the WRTH  HF propagation report/forecast by Ulf-Peter Hoppe. Always an informative read despite the fact we’re in a solar low!

The 73rd is another fantastic edition of the World Radio TV Handbook. As I say every year, I’ve never been disappointed with WRTH. Their publishing standards are such that the quality of their reviews, their writing, and (most importantly) their broadcast listings are simply unparalleled.

For DXers who collect QSL cards, you’ll find that broadcaster contact information in WRTH is often more up-to-date than a broadcaster’s own website. When readers contact me asking for QSL information from an obscure broadcaster, the first place I search is the current WRTH. Remember: their information is based on volunteer contributors who specialize in specific regions of the world–the most knowledgeable regional DXers keep this publication accurate.

Purchase your copy of WRTH 2019 directly from WRTH’s publishers, or from a distributor like Universal Radio (US), Amazon.com (US), Radio HF (Canada), or check BookDepository.com (International).

KiwiSDRs now at the KPH receive site in Point Reyes

Many thanks to SWLing Post contributor, Bill Ruck, who writes:

Please be advised that the Martitime Radio Historical Society has made publicly available Kiwi SDR receivers at the KPH receive site in Point Reyes.  This site was selected for SW reception by Dr. Beverage for RCA around 1930.

You can access the receivers at  radiomarine.org

Bill Ruck
Maintenance
MRHS

Brilliant news, Bill!  Thank you for sharing!

Click here to visit the Point Reyes KiwiSDR optimized for HF reception and this one optimized for LW/MW reception.

Click here to visit the KPH Software Defined Receivers info page.

WRTH 2019 available for order

(Source: Nicholas Hardyman WRTH)

World Radio TV Handbook 2019

Published 7 December 2018 – Order your copy today!

We are delighted to announce the publication of the 73rd edition of WRTH.

For full details of WRTH 2019 and to order a copy please visit our website at www.wrth.com where you can also order the B18 WRTH Bargraph Frequency Guide on CD and Download.

WRTH 2019 is also available for pre-order, for readers in the USA, from Amazon.com or Universal Radio in Ohio.

I hope you enjoy using this new edition of WRTH and the new CD.

Best regards,

Nicholas Hardyman

Publisher

Click here to visit WRTH online.

WRTH Retailers: