What ever happened to the Ozone hole ?!

View the latest status of the ozone layer over the Antarctic, with a focus on the ozone hole. Satellite instruments monitor the ozone layer, and we use their data to create the images that depict the amount of ozone.

What this video of six months of data

THe coolest little radio I've ever seen ! RCV/XMT SDR

PortableSDR

Here is a link to the HACKADAY.IO  - It looks like they are shipping now.

And a link to the creator's video on how to work it. on Youtube.

Airborne Cross-band Repeater Experiment

YOUTUBE LINK

Brilliant Wouxun KG-UVD on a Phantom 3 Drone
Cross-banding between UHF and VHF.
Heard 10+ miles away!


using this radio



AMAZON LINK

Atlanta Radio Club - Sunday Tech Session - Digital Modes Presentation by NN4QQ

A special thanks for the fine folks at the ARC/Sunday Tech Sessions for allowing me to share a "hands on" presentation on Digital Modes for the Amatuar Radio enthusiast.

The PDF Presentation can be found here

News - ki4SGU is now NN4QQ (nn4qq@arrl.net)

News - ki4SGU is now NN4QQ (nn4qq@arrl.net)

CW for your smart phone ! Introducing Gmail Tap

CW for your smart phone ! Introducing Gmail Tap

Tap into the future of productivity with Gmail Tap for Android and iOS. Double your typing speed with this revolutionary new keyboard. -- http://youtu.be/1KhZKNZO8mQ

HB-1A Operations Quick Reference by ki4SGU

Now that the weather has turn more "Spring-ish", I have been using my HB-1A in park bench operations mode. But the original manual leaves a lot to be desired, So I have a created a new EASY to follow HB-1A Operations Quick Reference Sheet. I have posted to the same on HB-1A Yahoo Group to share with the community at large. Please feel free to download and ENJOY. ~ki4SGU