Amateur Radio Weekly – Issue 181
The antenna on Rocky Top
The University of Tennessee Amateur Radio club has a set of antennas nestled between the lights at the top of Neyland Stadium in Knoxville. The tower is so high, most of the 102,000+ fans wouldn’t ever notice it. With the lights on, it’s impossible to catch a glimpse.
K4HCK
Portable AllStarLink node
Raspberry Pi 3 + Baofeng BF-888s connecting to a 4G LTE hotspot.
KP4IP
Ham Radio network keeps Capital commuters rolling along
The Capital District Commuter Assistance Network is a group of operators who provide information about travel hazards.
The Record
Thank you for my signal report
Maybe this is a radical idea but for my own operation I will strive to start sending more accurate reports and help the other station truly know how they are being copied.
AA4OO
Building a feedline HF choke
The choke has a resistance of over 1000 ohms on most of the Amateur HF bands, and up to 5000 ohms in the middle bands.
Daniel Estévez
Build an end fed match box
Connected to my end fed inverted L it shows decent SWR on 40 and 20m. My transceiver’s built-in ATU easily matched on both those bands.
marxy’s musing on technology
Video
NVIS event with a fence antenna
I connected to the fence using two alligator clips from the coax, one clipping to the fence and the other clipping to two 33ft radials which ran perpendicular to the fence.
VA3OSO
Antenna made from exterior Christmas lights
W6LG shows the dipole antenna and an instantaneous antenna tuner.
W6LG
USA-135M Cape San Blas lighthouse activation
The Panama City Amateur Radio Club activated USA-135M, the Cape San Blas Lighthouse.
W4RYZ
Rowboat mobile
While on vacation in Maine, I borrow a friends rowboat and go mobile maritime off the coast of Maine. I work a nice pile up and finish the day off with fish and chips.
KB1HQS
Behind the scenes at the Arecibo Radio Telescope
Matt and Tom
Baofeng UV-5R stress test: Receiver and transmitter overload
Open circuit with 5 minutes of RF, short circuit with 5 minutes of RF high power directly on the front end of the receiver.
YouTube
Resin casting tips and tricks
I cover some of the techniques that I use to be efficient when I am resin casting.
resin-casting-tips