Sputnik
October 4 marks the 61st anniversary of the launch by the Soviet Union of Sputnik 1, Earth’s first artificial satellite. The Soviets heralded the launch as a national triumph, and the space race between the USSR and the US began.
Sputnik 1 was a 58-centimeter diameter, polished aluminum sphere sprouting four antennas and transmitting a 1 W signal on 20.005 and 40.002 MHz, putting it within the range of nearly any radio amateur. Orbiting the planet about once every 96 minutes, Sputnik 1 could be seen from Earth. Following the launch, the US National Institute of Standards and Technology’s HF radio station
Scientists studying it gained information about such things as the density of the upper atmosphere, deduced from orbital drag. The propagation
Source:ARRL
Antenna
Bazooka Antenna A DOUBLE BAZOOKA antenna is an extremely broad-banded Half Wave Antenna that can operate efficiently across an entire Ham band with little change to the SWR. The DOUBLE BAZOOKA antenna design was first conceived as a radar a... Read more
Recent Posts
CW Skimmer Developer Alex Shovkoplyas, VE3NEA, Receives RAC Radio Amateur of the Year Plaque
Radio Amateurs of Canada (RAC) has honored CW Skimmer developer Alex Shovkoplyas, VE3NEA, as its 2014 Radio Amateur of the Year. He received th... Read more
Ham Radio Tutorial – Intro To The HF Bands
This is a video targeted at new HF operators and covers the 20 and 80 meter bands. Read more
Visit the factory of Begali Keys with PY2NY and PU2VYT
“In late April 2016, Ana (PU2VYT) and I were again in Northern Italy, to participate in various activities related to the end of World War II. M... Read more
SHMOOCON 2016: REVERSE ENGINEERING CHEAP CHINESE RADIO FIRMWARE
by:Brian Benchoff Every once in a great while, a piece of radio gear catches the attention of a prolific hardware guru and is reverse en... Read more
Introduction to APRS- the Automated Packet Reporting System
“The Automated Packet Reporting Service is a digital real-time communications system to share tactical information and messages. The most common... Read more
Recent Posts
Retevis RT-95 Dual Band Mobile Transceiver Review – Ham Radio Q&A
New Black Retevis RT95Dual Band 200 Channels Mobile Car Radio Description: RT95 Mobile Radio has nice housing, stoutness & stability, advanced and... Read more
Cobra Electronics Announces 2015 Line of VHF Marine Radios In Time for Upcoming Boating Season
VHF Marine Radios CHICAGO, IL (May 6, 2015) — Cobra Electronics Corporation, the leading designer and marketer of award-winning marine, safety,... Read more
May Edition of Digital QST Now Available
May Edition of Digital QST Now Available The May Edition of Digital QST is Now Available • Keep in touch on the trail by using your Android sma... Read more
The Amateur Radio Operators Preparing for the Worst
by JENNIFER HACKETT In natural or man-made disasters, ham-radio enthusiasts put their hobby to work. There’s a sense of urgency in the air at a Virgin... Read more
![PRE-RELEASE INFORMATION – IC 9700 [ ENGLISH ]](https://qrznow.com/wp-content/uploads/2018/09/icom_ic9700-190x122.jpg)
PRE-RELEASE INFORMATION – IC 9700 [ ENGLISH ]
IC 9700 – 144, 430/440, 1200 MHz ALL MODE TRANSCEIVER Read more
Recent Posts
EME SSTV Lunar Landing Commemorative Event Set
Moonbounce enthusiasts are invited to take part in a commemorative Earth-Moon-Earth (EME) slow-scan television (SSTV) party on 23 centimeters, marking... Read more
New Summer EURAO Party to Premier FT4
The motto of the new European Radio Amateurs’ Organization (EURAO https://www.eurao.org/) Summer Party https://www.eurao.org/en/node/1045 is... Read more
Centenarian Radio Amateur’s Efforts Helped Pave the Way to the Moon
The Nashville Tennessean newspaper recently featured the story of a 104-year-old ARRL member who contributed to NASA’s effort to put the first humans... Read more
![Antenna Polarization [ ARRL PODCAST ]](https://qrznow.com/wp-content/uploads/2019/07/AntennaPolarization-190x122.jpg)
Antenna Polarization [ ARRL PODCAST ]
Your antenna’s polarization can make a big difference in how well you can hear, and be heard — especially on VHF and up. Read more
![Antenna Polarization [ ARRL PODCAST ]](https://qrznow.com/wp-content/uploads/2019/07/AntennaPolarization-90x60.jpg)
![Antenna Polarization [ ARRL PODCAST ]](https://qrznow.com/wp-content/uploads/2019/07/AntennaPolarization-180x120.jpg)
