Credit: ESA/Royal Observatory of Belgium
This montage of 365 images shows the changing activity of our sun through the eyes of ESA’s Proba-2 satellite during 2018. The images were taken by the satellite’s SWAP camera, which works at extreme ultraviolet wavelengths to capture the sun’s hot turbulent atmosphere – the corona, at temperatures of about a million degrees
The satellite is continuously monitoring the sun – one image was selected to represent each day of the year. Click here for an animated version.
The sun typically follows an 11 year cycle of activity, and throughout 2018, it embraced its solar minimum, displaying few active regions – seen as the bright regions in the images
Read more at: https://phys.org/news/2019-01-sun.html#jCp
App - Mobile
RFinder has worked with the DMR network Brandmeister to create new usability enhancements. The new dashboard just released includes coverage maps generated by RFinder using CloudRF technology created by Alex M6ZUJ… These maps get gene... Read more
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Review
Announcement about the new firmware release for the FTM-400XD, FTM-400D, FTM-100D mobiles radio and PDN functionality. Read more
Equipment
New! YAESU FTA-750L
The YAESU FTA-750L Combines tradition with innovation. Born from a history of high quality communications the FTA-750L now includes a 66 channel GPS... Read more
Introducing . . . New MFJ CWMorse Micro Telegraph Keys
MFJ-566M, $29,95 Red/Black Micro Morse Code Key with aluminum base. Liquid smooth and shielded steel ball bearings. Hardened steel pin rotation and st... Read more
ANAN-8000DLE HF & 6M 200W SDR Transeiver
The ANAN-8000DLE HF & 6M 200W SDR Transceiver meets and exceeds the requirements of even the most discerning Amateur Radio Operator, it is based o... Read more
Azuru HF + 6m Amplifier – HamFair 2017
Azuru Corporation is a booth of Hamfair 2017 at the company’s booth, HF (1.8 to 28 MHz band) + 50 MHz band linear amplifier “AZR – 5... Read more
VHF
Es’hailSat 2 portable reception
Receiving Es’HailSat 2 from my balcony using *very* minimal setup. Read more
Student from Saint Paul’s School Rajkot receives ISS SSTV
14-year-old Snehal Vagadia VU3WHO successfully received his first Slow Scan TV image from the International Space Station on Sunday, February 10. It w... Read more
What’s Inside The Retevis RT97 Portable Repeater?!
Retevis RT97 Portable Mobile Analog Mode Repeater Features: 1, Customizable: The TX and RX frequencies can be customized between UHF (400-470MHZ) 2,... Read more
Toptek Communications PA-85V VHF Power Amplifiers
Amplifier, VHF, 85 W, 138-174 MHz, Each Brand:Toptek Communications Manufacturer’s Part Number:PA-85V Part Type:VHF/UHF Amplifiers Product Line:... Read more
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