Industry News

  • The Future of UHF

      The old saying “all changes are inseparable from their religion” applies to many things. Of course, it also applies to the problem of congestion in the electromagnetic spectrum. Just as the volume of gas continues to expand, new users will soon occupy new open areas of the rad...
    Read more
  • Mysterious CW signal received by USB at 16976 kHz off the coast of Brazil

      I found this 2012 listening report on the Quebec amateur club website. It involves CW transmission by the Brazilian Navy at the same frequency of 16976 kHz. https://craq.club/files/documents/Archives/numeriques.pdf Is it just a coincidence that our mysterious CW station was reported by Br...
    Read more
  • In 1951, 220 MHz transceiver was used for civil defense

      In May 1951, radio news designed the 220 MHz transceiver for civil defense purposes. This band is selected because it is authorized to be used by the holder of the new technician level operating license. Considering the operating levels of many new amateur radio enthusiasts, it is believe...
    Read more
  • How much bandwidth do we have to spend on amateur radio?

      Did you spend some time thinking about the available bandwidth of various amateur bands? As an amateur licence holder, you can access six different amateur radio frequency bands: 80m, 40m, 15m, 10m, 2M and 70cm. If the bandwidth of each of these bands is added together, a total of 26.65mh...
    Read more
  • Entering the world of micro UHF Transmitter, 433MHz low power consumption is as small as button

    The size of the transmitter designed by tomtechtod is almost as small as the 337 button battery that supplies it. The board of the mini PCB covers a large number of patch components, most of which are packaged in 0201. Even so, the transmitter is a simple design with two transistor audio levels ...
    Read more
  • 144mhz cross equatorial propagation of 6102 km, FT8 or SSB mode can be used

    144mhz open 6000km cross equatorial propagation (TEP) between Buenos Aires and the Dominican Republic Through cross equatorial propagation (TEP), the highly ionized region appears on either side of the geomagnetic equator in the F-layer of the ionosphere. This mode is so interesting because it a...
    Read more
  • Conflict with the military band, New Zealand ham regret unable to use the 60 meter section

    Sorry! New Zealand amateurs cannot use the 60 meter band From October 24, New Zealand’s amateur radio enthusiasts will no longer be able to use the 60 meters. Radio amateurs in New Zealand use the band on a temporary basis, allowing ham in the region to use two frequencies, 5353.0 kHz and 5...
    Read more
  • TE connectivity launches new antennas for 5g, Nb IOT and lte-m

    Shanghai, China – September 24, 2020 – te connectivity (TE), a global leader in innovative connectivity solutions for high-speed computing and network applications, announced the launch of new antennas for 5g, Nb IOT and lte-m to meet the requirements of cellular IOT devices for diffe...
    Read more
  • China Mobile has built more than 20,000 5G base stations in 52 key cities in China

    In September, 5G commercial nodes are approaching, and all the information about 5G is affecting the nerves of the industry. Unicom and Telecom have jointly built 5G base stations on this side, and China Mobile is also doing 5G network construction with great efforts on that side. In addition to ...
    Read more
  • How to Understand Antenna

    Antenna is used to transmit signals from base stations and mobile phones. In prehistoric times, the tallest building in every city must be a TV tower. Television also receives signals from the TV tower through antennas. The two whip antennas with the same antennas on the top of the antenna form m...
    Read more