PROJECT: CROSS BAND REPEATER WITH 2 BTECH MOBILES
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One of the key performance attributes of any radio receiver old or new, professional or domestic is its sensitivity. It needs to be able to be sensitive enough to receive the signals that are required of it. There are several ways in which... Read more
![Field Day Antennas [ PodCast ] – “ARRL The Doctor is In”](https://qrznow.com/wp-content/uploads/2018/06/fldday4-90x60.jpg)
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US Naval Academy PSK31 CubeSat Transponders Active
CubeSat Transponders Active PSK31 transponders on two US Naval Academy CubeSats are operational, according to Bob Bruninga, WB4APR. The CubeSa... Read more
K6UDA Radio – Quartzfest 2016
The Elmer show with attitude. This time we’re on the road in Quartzite AZ for Quartzfest 2016. This, you gotta see. Its like Burning Man for old... Read more
The new Silphase R1 SDR receiver
Frequency coverage RX 0.1–30MHz Frequency resolution 1Hz Dial step 1Hz to 1KHz Dual VFO Direct sampling 16bit high speed 122 M/s ADC Mode CW, SSB, AM,... Read more
PJ4VHF Listen D4C/B – Transatlantic Beacon reception on 144 MHz
A post on the D4C Facebook page says: On May 6, 2015 history was made on contact across the Atlantic on VHF bands on the W-E path: The new D4C... Read more
How to Blow-up Your Balun – K6UDA Radio Episode 23
Curious as to which balun you need for what antenna? Why do you need a balun at all? Everything you’ve ever wanted to know about making your rad... Read more
Historic NSS Call Sign to be Reactivated for First Time in More than 40 Years
Operators from the US Naval Academy Radio Club (W3ADO) and the Potomac Valley Radio Club (W3GRF) will reactivate the historic NSS call sign on May 13-... Read more
RigPi RigPi MFJ-1234 Station Server, Remote Ham Radio @Hamvention
RigPi MFJ-1234 “Our first look at the brand new RigPI Remote station server called the MFJ-1234. This little beauty allows you to connect and co... Read more
What are Solar X-ray Flares and Their Effects?
What are Solar X-ray Flares and Their Effects? From NASA’s Scientific Visualization Studio. Solar flares may seem like far-away events, but they... Read more
CW Decoder – Inac
decoder translates and displays the tones of a telegraph or teletype signal on a display of alphanumeric characters. Only required to run a connection... Read more
More Mentors Needed for New ARRL Emergency Communications Course Sessions
High interest in the recently announced updated ARRL Introduction to Emergency Communications (EC-001) course is prompting a call for additional class... Read more
ES-4 Radio / Antenna Selector Switch between 3 radios and 5 antennas
ES-4 COMES AS A CONTROL UNIT AND A BASE (SWITCHING) UNIT THE BASE UNIT RECEIVES 12V POWER AND HAS ALL THE HEAVY COAXIAL CABLES CONNECTED TO IT. THER... Read more
Hamvention 2018 Tickets Now Available Online
kets for Dayton Hamvention® 2018 now are available online. “Both Inside Exhibits and Flea Market committees are working hard to have space sales open... Read more
Antenna Fire Puts SAQ Alexanderson Alternator Station Off the Air
An early October fire in the SAQ Alexanderson alternator long-wave antenna is under investigation by the Grimeton World Heritage Foundation, which own... Read more
Review of Chameleon P-Loop Magnetic Antenna
CHA P-LOOP 2.07.0-29.7 MHz The CHA P-LOOP 2.0 was designed with portability, ease of use simplicity, ruggedness and high performance in mind. U... Read more
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