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Amateur Radio News

RSS feedDisplaying articles 1 - 10 of most recent articles

A600 Power Amplifier Project Technical Reference/Amplifiers/HF AmplifiersThis is a power amplifier project for a RF 600W 1.8 MHz to 70 MHz linear amplifier including a Low Pass Filter. Projects includes schematics, pictures, PCD design, fans details, note on PA ferrite chokes and ass
The DXZone | 12 hours, 44 minutes ago | comment? | recommend
The K7RA Solar Update Solar activity was up this week, with the average daily sunspotnumber increasing from 133.7 to 139, and average daily solar fluxfrom 155.3 to 166.8.Average daily planetary A index stayed the same at 7.3, and averagemiddle latitude A index went from 7.9 to
ARRL | Jun 9, 2023 5:31 PM [GMT] | comment? | recommend
NOAA Predicted Sunspot Number Propagation/Propagation ForecastPredicted Solar Cycle: Sunspot Number And Radio Flux Values with Expected Ranges, sources are Penticton, B.C., Canada, S.I.D.C. Brussels
The DXZone | Jun 9, 2023 07:27 AM [GMT] | comment? | recommend
2023 SEA-PAC: Successful ARRL Northwestern Division Convention Surf a Radio Wave was the headline for the Pacific Northwest's largest amateur radio convention, SEA-PAC, which held its 41st event, June 2 - 4, 2023, in Seaside, Oregon. The convention hosted the 2023 ARRL Northwestern Division Convention.ARRL Education
ARRL | Jun 8, 2023 6:27 PM [GMT] | comment? | recommend
JRC NVA-88 Modification Technical Reference/AudioAdding 2 RCA inputs, 1 high impedance filtered audio output RCA 3, 3 HIGH PASS filters, 3 LOW PAS filters to the JRC NVA88 Speaker
The DXZone | Jun 8, 2023 07:27 AM [GMT] | comment? | recommend
Gear up for 2023 ARRL Field Day! 2023 ARRL Field Day is just 3 weeks away, on June 24 - 25. It's the most popular on-the-air event held annually in the US and Canada.More than 40,000 hams throughout North America set up temporary transmitting stations in public places to demonstrate ham
ARRL | Jun 7, 2023 5:56 PM [GMT] | comment? | recommend
Improving the audio on the ICOM IC-27 Technical Reference/AudioMake an otherwise fine radio even better, change one resistor and one capacitor in the audio section
The DXZone | Jun 7, 2023 07:27 AM [GMT] | comment? | recommend
ARRL Foundation Accepting Applications for Grants in June The ARRL Foundation is now accepting grant applications from amateur radio organizations for eligible amateur radio-related projects and initiatives, particularly those focused on educating, licensing, and supporting amateur radio activities. To grow amat
ARRL | Jun 6, 2023 1:08 PM [GMT] | comment? | recommend
Outdoor 80m/40m bands Magnetic loop antenna Antennas/Magnetic LoopNo matching adjustments needed. Directly perfect match to 50 Ohms using a remotely switched wideband transformer
The DXZone | Jun 6, 2023 07:27 AM [GMT] | comment? | recommend
Top Amateur Radio Websites - Issue 2321 Drive-On Antenna Mast For POTA, Shortened 40 meter Vertical for POTA SOTA, The Infamous Attic Dipole, Solar Panel and Ham Radio, RF Toroid Calculator, Stop RFI from Solar PV Systems, CY0S Log Online,
The DXZone | Jun 6, 2023 07:27 AM [GMT] | comment? | recommend