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Propagazione E-sporadico

Pubblicato il 21/04/2026 By iz8ewd

Lo strato sporadic-E nella propagazione sulle bande VHF

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Verbale riunione C.D.N. 9 aprile 2026

Disponibile, in area riservata al CDN,il Verbale della riunione C.D.N. del 9 aprile 2026 [...]

Nel corso della Hamvention 2026 a Dayton, svoltasi sabato 16 maggio, durante la presentazione “ARISS: Celebrating 25 Years on ISS and Pioneering New Spaceflight Opportunities for Hams and Youth”, ARISS ha annunciato la nascita di AREx (Amateur Radio Exploration), un consorzio congiunto tra AMSAT e ARISS. L’iniziativa, sviluppata in collaborazione con la NASA, potrebbe aprire la strada a una futura presenza radioamatoriale sulla Luna nell’ambito delle prossime missioni lunari. Sebbene in questa fase nulla sia ancora stato definito, ARISS ha ipotizzato quale configurazione radio potrebbe permettere ai radioamatori di effettuare comunicazioni attraverso la Luna:Un progetto intitolato CAVIAR: Communications, Audio, Video e imaging utilizzando Amateur RadioTelecamere per la terra, la luna e l'imaging del veicolo, Voce, digitale e video supportati Collegamenti 10 GHz e 5 GHz supportati dalla rete di stazioni di terra Scalabile: cambiare potenza di uscita e fornitura per il profilo di missione Tenete d'occhio il sito web ARISS [...]

Verbale riunione C.D.N. 1 aprile 2026

Disponibile, in area riservata al CDN,il Verbale della riunione C.D.N. del 1 aprile 2026 [...]

Serata a tema FT8

Siete affascinati dai modi digitali? Volete scoprire le potenzialità e i segreti delle trasmissioni in FT8? Seguite la live cliccando sull'immagine!Ci sarà un grande DXer Francesco IK0XBX (Presidente della Sez. ARI di Perugia), che illustrerà questo interessante modo di fare radio.Nota: la serata verrà registrata e pubblicata sui canali ufficiali della Sezione ARI Termini Imerese per chi non potesse partecipare in diretta.Un'ottima occasione per scoprire, condividere esperienze e fare domande direttamente a un esperto. Non mancate! [...]

Complimenti Elvira IV3FSG!

Elvira Simoncini entra nella DX Hall of Fame: un riconoscimento storico. A Dayton le è stato conferito uno dei più prestigiosi riconoscimenti del mondo radioamatoriale: l’ingresso nella DX Hall of Fame, considerata da molti il vero e proprio “Premio Nobel” dei DXer. L’International DX Convention l’ha scelta tra numerosi candidati provenienti da tutto il mondo, premiando il suo eccezionale contributo alla comunità DX internazionale. Il riconoscimento valorizza in particolare le sue tante DXpedition, affrontate per la maggior parte in solitaria, con grande competenza, determinazione e spirito di avventura. Solo due donne al mondo fanno parte della DX Hall of Fame, ed Elvira è la prima ad aver ottenuto questo onore esclusivamente per la sua intensa attività operativa DX. Un risultato straordinario che rende orgogliosa tutta la comunità radioamatoriale italiana. [...]

2026 Hamvention Wrap-Up -- Weather or Not…

It’s a tradition for Hamvention® … it must rain for at least part of at least one day … and this year didn’t disappoint! Showers and even the occasional downpour popped up on and off Saturday, prompting flea market shoppers to periodically flee inside to dry out. Then a thunderstorm in the early hours of Sunday morning left the flea market a bit muddy. But spirts ran high for the closing day of [...]

Hamvention 2026 Friday -- Let the Fun Begin!

Hamvention® 2026 in Xenia, Ohio, is officially under way, with large crowds filling the five exhibit halls, four forum rooms, and the giant flea market. Here’s a summary of Friday, May 15.In the ARRL Expo area, attendees interacted with program representatives and volunteer leadership officials, including ARRL CEO David Minster, NA2AA, and President Rick Roderick, K5UR. Emergency Communications [...]

The ARRL Solar Update

Solar activity remained at low levels this past week. Region 4436 wasresponsible for the majority of the C-flare activity, including thelargest flare of the period, a C2.3 that peaked on May 13. Region4432 rotated off the west limb. Two new regions were numbered duringthe past 24 hours. Region 4437, which has since decayed to plage, and4438, resulting in a total of 4 numbered regions now on the [...]

Hamvention 2026 Thursday -- Setup Day and Much More

Hamvention® 2026 in Xenia, Ohio, officially begins on Friday morning, May 15. But several hundred hams arrived early to take part in pre-Hamvention activities. ARRL The National Association for Amateur Radio® was already on site at the Greene County Fairgrounds, exhibitors were busy setting up their booths. We snapped a few late afternoon photos of setup work at several booths, including Carlso [...]

The ARRL Solar Update

Solar activity was at low levels this past week with occasionalB-class and isolated low-level C-class flares. The largest event ofthe period was a C1.4/Sf flare from Region 4429 on May 5.There are currently six numbered regions on the visible disk as 4434decayed to plage and Region 4428 rotated beyond the western limb asan E-type group. The remaining regions mostly showed signs of decay.Region [...]

June 2026 – Strategic priorities update

Growing our membership, shaping our future Following our recent virtual AGM, I felt it would be useful to reflect on our future direction. Membership sits at the very heart of the Society. Without it, there is no collective voice, no effective defence of spectrum, and no structured support for amateur radio across the UK. This […] [...]

GB2RS News Script for 17 May 2026

Tap or click the link below to download this week’s news script News script for 17 May 2026 (MS Word document) [...]

UPDATE – Technical issues on RSGB website

UPDATE 16:10 19/05/2026 While most of our online services have now returned to normal, issues persist with some programs that generate custom PDF files. Bletchley Park admission vouchers Museum discount admission scheme vouchers All NoVs (except those handled by ETCC) Further investigation has revealed that significant code rewrites are required to these programs, which are […] [...]

RSGB releases new set of mock exam papers

The RSGB Exams Team is pleased to publish new mock exam papers for Foundation and Intermediate levels. There are three for each level and you can find them on our website. The new papers take into account all the changes to the syllabus and exam question bank which have been made since the last sets […] [...]

RSGB Convention workshops

The RSGB is running a practical and thought-provoking workshop for radio amateurs, makers, and home constructors, who want to understand what AI really is, what it is good at, where it can go wrong and why it matters. The session will run during the RSGB Convention on both Saturday, 10 October and Sunday, 11 October […] [...]

ANS-140 AMSAT News Service Special Bulletin

ANS-140 May 20, 2026 In this special edition: * OrigamiSat-2 is Designated Fuji-OSCAR 126 The AMSAT® News Service bulletins are a free, news and information service of AMSAT, The Radio Amateur Satellite Corporation. ANS publishes news related to Amateur Radio in Space including reports on the activities of a worldwide group of Amateur Radio operators ... Read more [...]

ANS-137 AMSAT News Service Bulletins

AMSAT News Service ANS-137 May 17, 2026 In this edition: * AMSAT “Radio Adventure” at Hamvention * VUCC Satellite Standing May 2026 * DXCC Satellite Standing May 2026 * AMSAT-DL to Highlight QO-100 at Friedrichshafen * PaperSat: A Satellite Tracking App for the M5Paper S3 Device* Launching Satellites with Zero Emissions* Changes to AMSAT-NA TLE Distribution ... Read more [...]

ANS-130 AMSAT News Service Weekly Bulletins

AMSAT News Service ANS-130May 10, 2026 In this edition: AMSAT at Hamvention – AMSAT/TAPR Banquet Ticket Deadline – Monday, May 11th at 17:00 EDT March/April 2026 Issue of The AMSAT Journal Now Available ARISS SSTV Series 32 “Cooperation in Space and World Peace” Underway Changes to AMSAT TLE Distribution for April 10, 2026 ARISS News ... Read more [...]

ANS-123 AMSAT News Service Bulletins

AMSAT News Service ANS-123 May 3, 2026 In this edition: * Reminder: AMSAT at Hamvention * FO-29 Update * FCC Approves Limited Emergency Use of 70cm Band by AST SpaceMobile Satellites Outside the U.S.* Saudi Amateur Radio Society Sponsors Satthon_2 * Request For Collecting CW Data of ARICA-2 * NASA Completes Nancy Grace Roman Space ... Read more [...]

ANS-116 AMSAT News Service Weekly Bulletins

AMSAT News Service ANS-116 April 26, 2026 In this edition: * AMSAT Update from 2026 CubeSat Developers Workshop Available Online * AMSAT-HB Announces Results of 2026 HB9RG Trophy Distance Competition * Rocket Lab Launches Eight JAXA Satellites on Kakushin Rising Mission * KrakenRF Discovery Drive Rotator Campaign Exceeds $314k Funding Goal * Changes to AMSAT ... Read more [...]

IARU IWS Newsletter April 2026

The IARU Intruder Watch Service (IARU IWS) Newsletter April 2026 is now available.Click on the link to read it! … [...]

Provisional results IARU R1 50 MHz MGM Contest

The provisional results for the 2026 IARU R1 50 MHz MGM Contest held on April 18th-19th are available on the IARU Region 1 VHF & Up Contest Robot. The complaining period will end on May 18th, after that results will be final. For … [...]

IARU IWS Newsletter March 2026

The IARU Intruder Watch Service (IARU IWS) Newsletter March 2026 is now available.Click on the link to read it! … [...]

VHF+ Contest Robot

Some new features are available in the VHF+ Contest Robot. For each contest, you can find : Results Table: you can filter the classification for country with a multiple choice instead of DXCC prefix. Statistics: you can show for each … [...]

YOTA Summer Camp 2026 to Take Place in Wagrain, Austria

The IARU Region 1 Youth Committee, together with ÖVSV (Österreichische Versuchssenderverband), are pleased to announce the 14th annual YOTA (Youngsters On The Air) Summer Camp, which will take place in Wagrain, Austria, from 25 July to 1 August 2026. Following … [...]

Radiorama Numero 136

Nuovo numero di Radiorama disponibile per il download. Vi ricordiamo che nel menu, alla voce RADIORAMA è possibile scaricare anche i numeri precedenti gratuitamente in formato PDF. Se non disponete di un lettore PDF [...]

Radiorama Numero 135

Associazione Culturale Radio Europa

La collaborazione tra A.I.R. (Associazione Italiana Radioascolto) e l’Associazione Culturale Radio Europa rappresenta un’importante iniziativa per promuovere la cultura del radioascolto.Grazie a questa sinergia, attraverso attività condivise, entrambe le associazioni intendono sviluppare e rinnovare [...]

World Radio Day 2026

Il 13 febbraio si celebra il World Radio Day, un’importante occasione per riconoscere il valore della radio come strumento di comunicazione e informazione. Anche l’A.I.R. ( Associazione Italiana Radioascolto – www.air-radio.it ) partecipa a [...]

Radiorama Numero 134

Lost Islands 25th Anniversary Activity

From May 21 to May 31, the “Lost Islands – Days of Activity / 25” will take place. Organized by the Russian Robinson International Club, the event is dedicated to Polar Explorer’s Day and the 25th anniversary of the “Lost Islands” High-Latitude Arctic Radio Expedition. During the Days of Activity, special anniversary call signs will […] [...]

ZD8KX – Ascension Island

[REFRESH] – Fer, M0HXC (also ZB2KX) announces that he will be active from Ascension Island as ZD8KX during May 25-29, 2026. QRV using an IC-705 and EFHW antenna (66ft / 20m). This will be a low power activity on CW, SSB & FT8/4/2. QSL via LoTW. More info here. [...]

T88IL, T88JH & T88KY – Palau

Yoshi JR3QFB (as T88JH), Masa JA1MFR (as T88KY) and Masa JF3PLF (as T88IL) plan activity from the VIP Guest Hotel in Koror, Palau during May 21-24, 2026. QRV on HF bands. QSL via op’s instructions. — Picture of the VIP Guest Hotel was taken on March 11th by David, OK6DJ (one of the team previously […] [...]

3G0Z & XR0Z – Juan Fernández Islands

[NEWS] by Felipe XQ7IR @ 3G0Z. The 3G0Z operation began a couple of hours ahead of schedule. At the moment, operations are taking place on the 17m band using SSB and FT8 modes, with a single element Delta Loop antenna. Over the next few hours, I expect to continue installing the remaining antennas and bring […] [...]

HC8M – Galapagos Islands

Edgar, K2IN is currently QRV from San Cristóbal, Galápagos Islands. During May 28 to June 2, he will be joined by Martín, LU5DX and Mark, LU8EOT preparing the HC8M station for the CQ WPX CW contest (May 30-31); SO/AB/HP category. — picture by LU9ESD. [...]

4L5A DX News. From DXNews.com

Due to Alexander Teimurazov’s, 4L5A serious health condition, updates to the DXNews.com website will be delayed. [...]

D60DX Comoros. From DXNews.com

Ivan, UR9IDX infrom DXNews.com that he will be active as D60DX from Comoro Islands, IOTA AF - 007, during 30 Days, starting 7 April 2026. [...]

3X3A Rouma. From DXNews.com

Elvira, IV3FSG will be active as 3X3A from Rouma Island, IOTA AF - 051, Guinea, 11 - 25 April 2026. [...]

5H3DX Tanzania. From DXNews.com

Chas, NK8O will be active again as 5H3DX from Tanzania, 8 Jume - 2 July 2026. [...]

T31TTT Kanton Island Phoenix Islands. From DXNews.com

T31TTT Team will be active again from Kanton Island, Phoenix Islands, IOTA OC - 043, starting 25 March 2026. [...]

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