The sun is blank–no sunspots. This means solar activity is very low. Credit: SDO/HMI
NO FIREWORKS ON THE 4TH OF JULY: Sunspots vanished almost two weeks ago and, as a result, solar activity is very low. NOAA forecasters say there is no more than a 1% chance of strong flares on the 4th of July. Solar flare alerts: text orvoice
AURORAS AND NOCTILUCENT CLOUDS: Who needs sunspots? Despite a sudden lull in solar activity, July began with a beautiful display of color over Calgary, Alberta. Harlan Thomas photographed the sudden apparition of green auroras and silver noctilucent clouds
Via : http://spaceweather.com/
Antennas
Testing My Mini 64:1 Half-Wave End-Fed Antenna Transformer.
Testing My Mini 64:1 Half-Wave End-Fed Antenna Transformer. Read more
100 ft Tilting Tower
Raising a 100 ft tower with a winch on a 35 ft pole. Read more
I Found & Eliminated My QRM / RFI (Radio Frequency Interference)!
This is the third in a series of videos following my efforts to track down a source of local QRM / Radio Interference. Following the build of a succes... Read more
HF Antennas for Beginners: Tuesdays with Tim and Jeff
“We are bringing in 2021 with Tuesdays with Tim, K3LR and Jeff,KB8ZWT discussing HF antennas. Did you recently upgrade from tech to general? Tha... Read more
New Product MFJ-4713
This MFJ-4713 HF 4-Position Remote Antenna Switch lets you switch between four antennas remotely. Covers 1.8 to 30 MHz. Run one coax from the indoor s... Read more
New portable antenna from Comet Japan
We are pleased to announce the release of a new portable Antenna system from Comet Japan covering 1.8 to 50 MHz – ideal for the new Icom IC-705 and ot... Read more
How To Make a Doublet Antenna for Ham Radio – No Talking – ASMR style
How To Make a Doublet Antenna for Ham Radio – No Talking – ASMR style Read more
Build your own Roll Up Slim Jim Antenna for the 2 Meter Ham Radio Band.
Build your own Roll Up Slim Jim Antenna for the 2 Meter Ham Radio Band. Read more
