Amateur Radio Balloon crosses the Atlantic but but potentially dangerous for international flights.
Yesterday evening an amateur radio APRS balloon, call sign K6RPT-11, succeeded in its crossing of the United States and the Atlantic ocean.
Launched from California, the balloon transmitted on the APRS frequency of 144.390 MHz FM that is used in the Americas. It appears to have traveled south of Portugal...
The newest trend in American communication isn't another smartphone from Apple or Google but one of the elder statesmen of communication: Ham radio licenses are at an all time high, with over 700,000 licenses in the United States, according to the Federal Communications Commission.
DZKit Is Bringing Back The Tradition And Fun Of Building Complex Kits
Frequency range: 500 kHz to 30 MHz
Modes: SSB, CW, AM, FM, (Digital via optional embedded PC)
CW/SSB Sensitivity: 0.5uV for 10dB S/N (preamp1 on, PSBTM off)
, 0.16uV with both preamps, 14MHz
MDS (PSB off): -110/-120/-130dBm (preamps: off/1/both) (4.5kHz roofing filter, 400Hz filters at 2nd and 3rd IF, measured...
Voyager 2 Completes Switch to Backup Thruster Set
PASADENA, Calif. -- NASA's Voyager 2 has successfully switched to the backup set of thrusters that controls the roll of the spacecraft. Deep Space Network personnel sent commands to the spacecraft to make the change on Nov. 4 and received confirmation today that the switch has been made.
The change allows engineers to reduce the amount of power...
From the Discovery Channel series "Rocket Science": Alan Bean describes the lightning strike that knocked out power on the second lunar NASA landing mission shortly after launch. (www.foolishearthling.com)
As the third quarter of 2011 came to a close, ARRL VEC Manager Maria Somma, AB1FM, began calculating the number of licensed Amateur Radio operators in the US, as well as the number of new licensees. “At the end of September, I saw that the number of hams in the US was high,” she said. “When I started comparing that number with other years, I found that it was an all-time high.” For the first...
Dave K1TTT installed many Remote Internet Control WEB cameras in the Shack and now anybody can to follow up him inside. Try to catch him from camera to camera It's a really fun.
Dave is typical "radio maniac" :) The Big K1TTT Contest Station was created and developed by Dave almost 30 years ago.
Link to K1TTT Super Contest Station