Sur le Web, ces 60 derniers jours

dimanche 22 juillet 2018

samedi 21 juillet 2018

  • Tutorial: Low Cost QRP (FT8, JT9, WSPR etc)
    Les modes numériques QRP tels que FT8, JT9, JT65 et WSPR sont des modes conçus pour être transmis et reçus dans le monde entier avec de faibles puissances d’émission (bien que tout le monde n’utilise qu’une faible puissance). Sorti en 2017, FT8 s’est avéré être le mode le plus populaire de loin avec JT9 (...)

  • Repeater Temperature Monitor with Raspberry Pi
    Technical Reference/Raspberry Pi A simple and cheap solution to monitor temperature of your repeater implementing a Raspberry Pi device with a set of popular tools made in python a database and RRD tool

  • Amateur Innovation Thrives:
    The August RadCom includes an editorial that shows how innovation is alive and well in the amateur radio community. The options to dabble, hack and innovate have never been wider.

  • NASA Will Soon Launch a Probe that Will Travel Through the Sun's Atmosphere
    According to Greek mythos, Daedalus was an unrivaled Athenian craftsman -- the Leonardo da Vinci of his day. To his great misfortune, he angered King Minos, the ruler of the island of Crete. Desperate to flee the island, Daedalus built two pairs of wings for himself and his son Icarus, which he (...)

  • Foundations of Amateur Radio #163:
    If you've been part of the amateur community for a while and have heard me talk on matters of contesting, you'll know that I'm an avid contester and that for me it's better than sliced bread. Of course, I'm me and you're not.

vendredi 20 juillet 2018

  • Propagation Forecast Bulletin #29 de K7RA:
    Over three weeks of blank sun! reported 22 consecutive days with no sunspots as of Thursday, and there is nothing to indicate when sunspots will return. A few weeks ago I thought sunspots would return by now, based on solar flux predictions. If we look back to forecasts from (...)

  • This needs to go viral
    Dan KB6NU's most excellent post for today. Everyone needs to read and do this: I can think of MANY local Hams, off the top of my head, who are so deserving; but yet never get the recognition they so richly deserve. 72 de Larry W2LJ QRP - When you (...)

  • L’innovation radio amateur est bien vivante
    L’innovation radio amateur est bien vivante Le RSGB annonce que « la recherche et l’innovation amateur sont loin d’être terminées, nous sommes peut-être à l’aube de sa plus grande époque » La Société note « la variété et le faible coût de l’équipement, des composants sophistiqués, des logiciels libres et de (...)

  • SOTABEAMS ajoute « Summer Holiday Mode » à WSPRlite
    SOTABEAMS ajoute « Summer Holiday Mode » à son système WSPRlite SOTABEAMS a publié une importante mise à jour du micrologiciel pour son système de test d’antenne WSPRlite . Depuis sa sortie il y a un peu moins de deux ans, le système WSPRlite est devenu un moyen populaire pour DXers de comparer les (...)

  • Les »contests » du weekend
    La partie nord-américaine RTTY QSO, QRP 20-mètres CW Fox Hunt, NCCC RTTY Sprint, NCCC CW Sprint, Championnat d’équipe de radio russe, Trans-Tasman Bands Challenge, Jakarta 40-DX Contest, DMC RTTY Concours, Feld Hell Sprint, Concours VHF Mondial CQ, Concours SA Sprint, Concours CW de faible (...)

  • Stations déjà actives avant le contest IOTA
    TIMOR-LESTE, 4W. Gordon, K7TRB est QRV en tant que 4W6VA de Dili, IOTA OC-148, jusqu’à la mi-septembre 2018. L’activité est sur 20, 17 et 6 mètres. MALAWI, 7Q. Arnold, WB6OJB est QRV comme 7Q7JK jusqu’au 25 Juillet. L’activité est de style de vacances sur 40 à 10 mètres en utilisant SSB. ALGERIE, 7X. (...)

  • Des unités clonées SDRplay RSP1 et Airspy R2
    Récemment nous avons trouvé qu’il y a maintenant des unités clonées d’unités SDRplay RSP1 et Airspy R2 apparaissant sur Aliexpress et eBay. (Nous ne les lierons pas ici pour éviter d’améliorer le classement Google des listes de clones). Ce message est juste un avertissement et un rappel que ce ne sont (...)

  • WRTC 2018 results
    Last weekend’s World Radiosport Team Championship ended with a win for Lithuanian amateurs Gedas Lucinskas, LY9A and Mindis Jukna, LY4L, who scored nearly 5.7 million points from 5,139 QSOs. The runners-up were Germans Manfred Wolf, DJ5MW and Stefan von Baltz, DL1IAO, who scored nearly 5.3 (...)

  • Amateur innovation thrives
    The August RadCom includes an editorial that shows how innovation is alive and well in the amateur radio community. There are now unprecedented opportunities for experimentation, with, for example software defined radio dongles available for under £10, dual band transceivers for £20, and much (...)

  • New CubeSats reach ISS
    Three new CubeSats have been taken to the International Space Station for deployment in August. The satellites, known as MAYA-1, BHUTAN-1 and UiTMSAT-1 were built in Japan by students from Malaysia, Bhutan, and the Philippines. Collectively known as the BIRDS-2 constellation, the CubeSats will (...)

  • New Examination Standards Manager
    Nigel Barker, M0HZR was recently appointed the new RSGB Examination Standards Manager. His interest in radio was sparked when, early on in his career, he spent two years working in an electronics workshop. Over the years he has always held technical roles, and is currently responsible for the (...)

  • Examination Standards Committee report
    The 2018 RSGB Examinations Standards Committee report has been released. It discusses the UK amateur radio exams system in detail, including pass statistics, ongoing work on the administrative system and comments on the question bank, among many other (...)

  • 49 years ago, today
    It all started the year I was born. When I was a mere 5 months old. our friends in Russia launched Sputnik. I am told that Amateur Radio operators the world over listened to the "Beep, Beep" of its beacon on their shortwave receivers. The "space race" was born and little did I know, as a tiny (...)

  • The Near Vertical Incident Skywave (NVIS) antenna
    Antennas/NVIS Introduction to NVIS antenna and NVIS propagation. A simple NVIS antenna can be constructed as shown in this article

  • Ham Radio Club Prepares for Disaster:
    (TNS) -- A scrambled voice fills the room sounding like someone trying to talk under water intermixed with variable modulated frequency sounds one might hear from a music keyboard synthesizer. A person sits behind a radio carefully moving a silver control knob with his fingers to find just the (...)

  • Beyond Hobby: How Amateur Operators are Turning Ham Radio Socially Useful:
    His home-made radio suddenly started to crackle and Ambarish Nag Biswas could hear muffled voices on his transceiver. It was past midnight and Ambarish, a key functionary a group of amateur radio operators headquartered near Kolkata, was just thinking of retiring to bed. The location is (...)

  • DX News -- ARRL DX Bulletin #30:
    This week's bulletin was made possible with information provided by KI1U, W3UR, The Daily DX, the OPDX Bulletin, 425 DX News, DXNL, Contest Corral from QST and the ARRL Contest Calendar and WA7BNM web sites. Thanks to all.

  • Just Ahead In Radiosport:
    Just Ahead In Radiosport:

  • WRTC 2018: Amazing Contact Totals, Scores Despite Poor Conditions:
    A crack team of contesters from Lithuania won the gold medal in World Radiosport Team Championship 2018 (WRTC 2018), held over the weekend in Germany. Operating as Y81N, Gedas Lucinskas, LY9A, and Mindis Jukna, LY4L, topped the real-time scoreboard for much of the event, which is held as a (...)

  • The Doctor Will See You Now!
    "Zero Beating" is the topic of the latest (July 19) episode of the "ARRL The Doctor is In" podcast. Listen...and learn!

  • ARRL Represented at IEEE Symposium:
    ARRL was on hand in Boston July 8 - 13 for the Institute of Electrical and Electronics Engineers (IEEE) Antenna and Propagation Society (AP-S) Symposium, held jointly held with the US National Committee of the International Union of Radio Science (URSI). The ARRL exhibit included an Amateur (...)

  • Radioshack 'Express Stores' to Open In Hobbytown USA Locations:
    According to a July 13 article in the New York Post, RadioShack is planning to open "express stores" within HobbyTown USA locations. The nearly century-old, twice-bankrupt retailer has signed a deal with HobbyTown USA to put a mini RadioShack outlet in some 50 HobbyTown USA stores (...)

  • BIRDS-2 Constellation CubeSats Transported to ISS for August Deployment:
    The second generation of CubeSats in the BIRDS constellation now is on board the International Space Station (ISS) and set for deployment in early August using the Japan Aerospace Exploration Agency (JAXA) module's remote manipulator arm. The June 29 SpaceX Falcon 9 launch carried the BIRDS-2 (...)

  • US ARDF Champions Prepare for International Competition In Korea:
    Results of the 18th USA National Championships of Amateur Radio Direction Finding (ARDF) are now in the record books. Some of those who took part in that event now are hoping to win positions on ARDF Team USA, which will travel to Sokcho, Korea, in early September for the 19th ARDF World (...)

  • Final Preparations Under Way for Youth On the Air 2018 In South Africa:
    There are just weeks to go until the Youngsters on the Air (YOTA) international event, YOTA South Africa 2018, gets under way. The South African Amateur Radio League (SARL) is hosting the event. A summertime gathering in the past, YOTA South Africa 2018 will take place during the Southern (...)

  • Jack Gerbs, WB8SCT, Appointed General Chairman for Hamvention 2019:
    The Dayton Amateur Radio Board of Directors has appointed ARRL Life Member Jack Gerbs, WB8SCT, of Springboro, Ohio, as the General Chairman for Hamvention 2019. Gerbs, 58, who served as Assistant General Chairman for the 2017 and 2018 Hamventions, succeeds Ron Cramer, KD8ENJ, who served in the (...)

  • In Brief...
    In Brief...

  • ARRL Announces Two Career Opportunities:
    ARRL has announced career opportunities for a Business Services Manager and a Senior Lab Engineer -- EMC/RFI Specialist at ARRL Headquarters in Newington, Connecticut.

jeudi 19 juillet 2018

  • Les équipes du WRTC 2018, totaux de contacts incroyables
    Les équipes du WRTC 2018 produisent des totaux de contacts incroyables malgré de mauvaises conditions Une équipe de contestataires de Lituanie a remporté la médaille d’or au Championnat du monde de radios par équipes 2018 , qui s’est déroulé ce week-end en Allemagne. Opérant en tant que Y81N , Gedas (...)

  • Trois semaines sans taches solaires !!!
    Trois semaines sans taches solaires Le soleil a été vide pendant 21 jours consécutifs – une remarquable série de 3 semaines sans taches solaires. C’est un événement depuis presque dix ans. La dernière fois que le soleil a perdu ses taches pendant 21 jours consécutifs a été en 2009 sur les talons d’un (...)

  • 20 juillet 2018, contact ARISS et la Russie
    Contact radioamateur du 20/07/18 Un contact Radioamateur aura lieu le Vendredi 20/07/2018 vers 20H15 UTC (22H15 heure de Paris). Il aura lieu entre Oleg ARTEMYEV, et le 7th International Aerospace School. I.N. Sultanova Rep. Bashkortostan, Ufa, Russie. Le contact aura lieu en direct sur 145.800 (...)

  • CQmaps is Reopen for Business:
    CQmaps originally operated from March of 2015 until November 2016 and provided the Amateur Radio community with the best in personalized ham radio maps available on the market. CQmaps shipped more than 2000 individual maps during that time and gained a 4.9 out of 5 review rating. After an 18 (...)

  • KB6NU Tech Study Guide Updated for 2018:
    Updated to cover the 2018 question pool, the No Nonsense Technician Class License Study Guide really is one of the easiest ways to get your Technician Class license. The KB6NU No Nonsense Technician Class License Study Guide has helped thousands of folks get into amateur radio. It is now (...)

  • Amateurlogic Episode 119 is Out:
    Join the AmateurLogic crew for Field Day 2018. We assembled and raised a Hex Beam, Cobweb, and Off Center Fed Dipole this year. Jocelyn Brault, KD8VRX/VA2VRX talks about licensing requirements for operating in another country and Field Day at VOA. Arne Carlsson, K5ARN/SA7CAR added a little (...)

mercredi 18 juillet 2018

  • Some Skeeter Hunt videos
    Amazing what you can find on You Tube! 2012 2014 2015 2016 My thanks to the videographers and my apologies for the shameless self promotion of the Skeeter Hunt! 72 de Larry W2LJQRP - When you care to send the very least!

  • Bulletin IOTA semaine 29
    EU-053; OJ0 / SM, Market Reef: La Société finlandaise des phares et la Ligue de radioamateur de Finlande (SRAL), avec la Fondation OH-DX et l’Université DX, organisent la première activité internationale des jeunes en mer de Market Reef (ARLHS MAR- 001, OHFF-0038, WLOTA 0542) du 21 au 28 juillet et (...)

  • Attribution de bande 60m pour la Slovénie (S5)
    Attribution de bande 60m pour la Slovénie (S5) L’ Association des radioamateurs de Slovénie (ZRS) a informé le gestionnaire de la Région 1 de l’IARU aujourd’hui que depuis le 14 juillet 2018, après la mise à jour de la législation nationale relative au service radioamateur, la bande 60m est disponible (...)

  • Nunavut, VY0BRR du 14/7 au 31/12/2018
    Bonjour à tous: Je serai actif à partir d’Iqaluit, Nunavut en VY0BRR en utilisant tous les modes et toutes les bandes sauf 160. Iota na-047, à partir du 14 juillet 2018 à 0000z, pendant plusieurs mois, au moins jusqu’à Noël 2018.73, dx tnx Mike, ve2xb qsl via ve2 xb sur . Nunavut (Noon a Voot) (...)

  • 19 juillet 2018, F6GLZ / P sur FL / VO-080
    19 juillet 2018, 10h00/12h00 F6GLZ / P sur FL / VO-080 7-cw, 10-cw, 14-cw, 145.500-fm

  • Milton Amateur Radio Club Host Radio Event:
    MILTON -- The Milton Amateur Radio Club hosted an event July 14 drawing ham radio enthusiasts from Santa Rosa and Escambia Counties to shop and talk "ham." The event, held at the Santa Rosa County auditorium, was filled with both vintage and modern ham radio equipment for purchase as (...)

  • The Sunspot Cycle is More Intricate than Previously Thought:
    The sun's pockmarked surface is always shifting. Sunspots and solar flares rise and fall every 11 years, a cycle associated with regular reversal of the star's magnetic field. Huge quantities of plasma -- known as coronal mass ejections -- fly into space, which can disrupt satellites and other (...)

  • 2019 Hamvention Chairman Announced:
    Planning for Hamvention 2019 is officially underway with the appointment of General Chairman Jack Gerbs, WB8SCT, by the Dayton Amateur Radio Association (DARA) board of directors. Gerbs served as assistant general chairman for the 2017 and 18 (...)

  • Ham Talk Live #124 -- NASA on the Air Update:
    Back at our usual time, 9 PM Eastern (0100z) on Thursday night, Ham Talk Live!'s guests will be from NASA on the Air! 4 of NOTA's finest will give us an update on how the year long special event is going, and how it's going to really ramp up soon with the Apollo 11 anniversary. From Marshall (...)