President BILL FCC – CB Radio TEST RESULT CERTIFICATION Applicant: President Electronics USA 1007 Collier Center Way, Naples, Florida 34110, USA Manufacturer: GROUPE PRESIDENT ELECTRONICS
Read moreGiorno: 15 Luglio 2018
Circuiti di conversione frequenza-tensione
Questo articolo illustra il principio di funzionamento e i circuiti di riferimento, per la conversione della frequenza in tensione partendo dai concetti base fino all’implementazione circuitale. Per poter comprendere l’utilità di questi convertitori, si consideri
Read moreCQ World Wide Contest Rules Updated for 2018 Contest Season
CQ has announced that, effective with 2018 contests, some modifications to the CQ World Wide Contest rules have been developed and approved by the contest committee. The “busted call/NIL”
Read moreWRTC Call Sign mystery revealed !
WRTC call sign mystery revealed A well kept secret of the WRTC-2018 to be held in Germany next weekend finally was revealed last night. Some minutes after
Read moreSome ARRL Contest Award Certificates Now Available for Download
The ARRL Contest Branch has announced that some contest award certificates now are available for download from the ARRL website in PDF and JPEG formats. Just enter
Read moreRadio Amateurs of Canada Puts Members on Alert for Tropical Storm Chris
Radio Amateurs of Canada (RAC) says Tropical Storm Chris (TS Chris) — still meandering off the Carolinas — could threaten the Canadian Maritime Provinces and
Read moreThe August Edition of Digital QST is Now Available!
The August edition of Digital QST is now available for viewing on your desktop or laptop. Click here to view the issue. It is also available for reading on
Read more