- The SW Index now participates in two affiliate advertising programs with two large retailers that still sell shortwave radios, the Amazon Services LLC Associates Program and the eBay Partnership, designed to provide a means for sites like ours to earn advertising fees by advertising and linking to these retailers of radio products. Many of our links now function as affiliate links. This means that by clicking on these links, a small percentage of the purchase price for goods you purchase from these sellers will help support our site’s running costs. We hope you understand, and are grateful for your support.
But please note that we will never create a post and product link explicitly to receive a commission. Additionally, we always try to include links to other retail options if they are available, as we support and freely advertise independent ham radio retailers. Thank you, too, for your support of these sites and for making the initial suggestion of joining affiliate programs program. It has been providing a nice supplement for our running costs.
Our other shortwave sites
- SWLing Post shortwave listening news, interviews, reviews and more
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SWLing Post- Carlos’ Illustrated Radio Listening Report and Recording of E.L.W.A. Radio (November 13, 2025)
- Meeting WavViewDX Developer Reinhard Weiß, and Visiting Akihabara With Him (A Totsuka DXers Circle Article by Kazu Gosui)
- Hackaday: The Cold War-Era Survivable Low-Frequency Communication System (SLFCS)
- Carlos’ Illustrated Radio Listening Report and Recording of Radio Nacional (November 11, 2025)
- Texas Radio Shortwave: Schedule for December 2024 – January 2025
- Futures: A rehabilitative radio station for youth in detention
- Radio Europe Shares Station Details and Photos with Paul Jamet
- Rewinding time with a 2HB
- Scheduled Maintenance Notice: Tuesday, November 11, 2025
- Carlos’ Illustrated Radio Listening Reports and Recordings of CGTN (November 9, 2025)
- Problems And Temporary Changes At The Shortwave Transmitter Park Near Brasilia
- Hearing Alaska and Hawaii on shortwave
- Carlos’ Illustrated Radio Listening Report and Recording of Voice of Vietnam (November 4 & 5, 2025)
- CC Buds Solo: Two years into the mission . . .
- Ultra Convenient, The Benefits of WavViewDX: Visualizing Reception Conditions (A Totsuka DXers Circle Article by Satoshi Miyauchi)
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Category Archives: RFSpace
RFspace Cloud SDR
The CoudSDR is the latest offering by the US-based SDR manufacturer, RFspace. At time of posting, the CouldSDR is in beta testing, but expected to ship to consumers in 2015. The CouldSDR represents a step to make SDR over Internet much … Continue reading
Posted in Made in USA, RFSpace, Software-Defined Radios (SDR)
Tagged CouldSDR, RFspace, RFSpace CloudSDR, SDR, Software-Defined Radio
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RFspace NetSDR
The NetSDR radio is a high performance networked SDR with 1.6 MHz bandwidth. The NetSDR uses a high performance 80 MHz, 16 bit ADC with both dithering and randomization for best performance. The output I/Q bandwidth is configurable via software. … Continue reading
Posted in Made in USA, RFSpace, Software-Defined Radios (SDR)
Tagged Made in USA, NetSDR, RFspace, RFspace NetSDR, SDR, Software-Defined Radio
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RFspace SDR-IP
The SDR-IP is an internet protocol (TCP/IP), high-performance, software defined receiver with 1.8 MHz bandwidth. It offers versatility for scientific research, radio astronomy, shortwave listening and amateur radio. Specs: Frequency Range: 0.01 – 34 MHz * Digital Down Converter: Xilinx … Continue reading
Posted in Made in USA, RFSpace, Software-Defined Radios (SDR)
Tagged Made in USA, RFspace, RFspace SDR-IP, SDR, SDR-IP, Software-Defined Radio
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RFspace SDR-14
The SDR-14™ is a 14-bit software defined radio receiver. It offers a broad range of spectrum analyzer and demodulation capabilities. Specs: Maximum display bandwidth of 30 MHz at a 254 HZ RBW. Records and plays back spectrum segments up to … Continue reading
Posted in Made in USA, RFSpace, Software-Defined Radios (SDR)
Tagged Made in USA, RFspace, RFspace SDR-14, SDR, SDR-14, Software-Defined Radio
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RFspace SDR-IQ
The SDR-IQ™ is a 14-bit software defined radio receiver. It offers a broad range of spectrum analyzer and demodulation capabilities. Specs: Frequency Range: 500Hz to 30 MHz in 1 Hz steps. (Usable down to 100 Hz) Input Impedance: 50 Ohms … Continue reading
