Tecnica – PianetaRadio.it

Propagazione E-sporadico

Pubblicato il 21/04/2026 By iz8ewd

Lo strato sporadic-E nella propagazione sulle bande VHF

Controller per commutatore antenna

Pubblicato il 30/10/2025 By iz8ewd

Commutatore antenna IK5WWA - Control box

Controller manuale per commutatore antenna remoto

Quansheng UV-K5 e UV-K6

Pubblicato il 22/07/2025 By iz8ewd

Radio portatile bibanda V/UHF

XHDATA D-808

Pubblicato il 04/06/2024 By pianetaradio

Ricevitore portatile FM/AM/SSB LW/MW/SW/AIR

Baofeng BF-888S

Pubblicato il 17/06/2023 By pianetaradio

Ricetrasmettitore UHF

Spiderbeam Yagi – Parte 2

Pubblicato il 08/04/2023 By iz8ewd

Ulteriori modifiche alla struttura

LNA SPF5189Z

Pubblicato il 26/02/2023 By iz8ewd

Amplificatori fake asiatici

Alimentatore CANFI

Pubblicato il 18/02/2023 By iz8ewd

Alimentatore pulsed per sorgente di rumore

CANFI

Pubblicato il 14/02/2023, ultimo aggiornamento 18/02/2023 By iz8ewd

Un misuratore economico di cifra di rumore

LNB SAT

Pubblicato il 25/09/2022 By pianetaradio

Generalità sugli LNB per la ricezione dei satelliti

ARI
ARRL
RSGB
AMSAT
IARU
AIR
DX-World
DX News

Scuola di CW a Loano

Avvio corsi autunno 2026, iscrizioni a numero chiuso, contattaci per non perdere l'occasione [...]

Marconi Speed Contest 2026

Per scaricare il regolamento completo in PDF cliccare sull'immagine [...]

Graziano Sartori, I0SSH: l'eleganza del servizio e la forza della mitezza

L’8 aprile, alla soglia dei novant’anni e dopo aver affrontato con dignità la malattia, si è spento Graziano Sartori, I0SSH, Socio ARI dal lontano 1974. Definire Graziano non è semplice: la sua figura si compone di molteplici profili, tutti uniti da un tratto distintivo che lo faceva identificare da chiunque come un "signore d’altri tempi". [...]

Diploma II1NAP

Il diploma si svilupperà dal 1° aprile al 29 giugno ed ogni mese sarà dedicato ad una delle tre battaglie con una QSL diversa in ogni periodo: Aprile – Battaglia Monte Negino (Montenotte) Maggio - Battaglia di Cosseria (Millesimo) Giugno – Battaglia di Dego Gli operatori trasmetteranno con il nominativo II1NAP e saranno on air anche dalla Sezione A.R.I. di Savona per tutti i 90 giorni ed in oltre, per celebrare l’anniversario, attiveremo per la prima volta i luoghi simbolo di questi eventi storici.Il 12 aprile una postazione radio trasmetterà proprio sulla cima al Monte Negino ove era situata la ridotta (trincea) francese che impediva agli austriaci di avanzare. Il 17 maggio l’attività radio si trasferirà a Cosseria nei pressi del sito della seconda battaglia. Infine il 14 giugno la postazione radio sarà situata a Dego nei luoghi dell’ultimo scontro. In caso di maltempo le varie attività radiantistiche all’aperto saranno rinviate [...]

Verbale riunione C.D.N. 29 dicembre 2025

Disponibile, in area riservata al CDN, il Verbale della riunione C.D.N. del 29 dicembre 2025 [...]

Helping NASA Track Artemis II’s Orion Spacecraft

The University of Pittsburgh’s Panther Amateur Radio Club (PARC) had a unique opportunity last week...helping NASA track Artemis II’s Orion spacecraft on its mission to the moon and back!Faculty advisor Juan Manfredi, NAØB, said the club responded to a request from NASA to submit a proposal. “We submitted our proposal in September 2025 and were notified in November that our proposal was accepte [...]

The ARRL Solar Update

Solar activity was at very low levels with only isolated B-classflaring, mostly from Region 4416. There are currently four numbered regions on the visible disk. Region4416 remains the largest group by area but exhibited signs ofstructural weakening, including flux submergence and a slight decayof its intermediary pores. Region 4419 was the most complex group onthe disk and showed flux emergen [...]

The ARRL Solar Update

Solar activity remained at low levels this week. Most of the C-class activity came from either Region 4414 or Region 4409, which has developed a delta spot in its intermediary area. All remaining spots were either stable or in slight decay, with Region 4406 rotating over the west limb by the end of the reporting period. Coronal activity was observed in CCOR-1, LASCO and STEREO available imager [...]

ARRL Announces Change in Central Division Leadership

Brent Walls, N9BA, has resigned as Central Division Director of ARRL The National Association for Amateur Radio®, citing professional and personal commitments. He served as Director since 2025, and before that as Vice Director beginning in 2021.“Serving in the capacity of Division Director has been a truly rewarding experience and the highlight of my amateur radio journey,” said Walls in a mess [...]

RSGB post-AGM Board meeting

The new Board met on 18 April after the AGM and took the following decisions: To co-opt Dr Stewart Bryant, G3YSX onto the Board under Article 37. The Board then elected Dr Bryant as Board Chair. The purpose of these decisions is to allow newly elected Directors to learn more about the Society and the […] [...]

Catch up with the RSGB 2026 AGM on YouTube

The RSGB would like to thank everyone who joined the RSGB 2026 AGM which was held online on Saturday 18 April. If you missed the live event, you’re able to watch the full livestream on the Society’s YouTube channel. As well as the formal AGM business, there was a special message from the RSGB President […] [...]

GB2RS News Script for 19 April 2026

Tap or click the link below to download this week’s news script News script for 19 April 2026 (MS Word document) [...]

The RSGB has published a question bank for Full level examinations

At its 2024 meeting, the RSGB Examination Standards Committee agreed, with Ofcom approval, to publish the Full level examination question bank after a thorough vetting of the questions by the Examinations and Syllabus Review Group had taken place. ESC Chair Tony Kent, G8PBH is pleased to announce that the question bank is now available. It […] [...]

The RSGB has announced two new youth team volunteers

The RSGB is delighted to announce two new volunteer youth team roles as it continues to grow and strengthen its support for young radio amateurs across the UK. Leon Shaw, M0VUF will be the Youth Vice Chair, working closely with the Youth Chair Chris Aitken, MM0WIC to help guide and develop the expanding Youth Team. […] [...]

ANS-109 AMSAT News Service Weekly Bulletins

April 19, 2026 In this edition: The AMSAT(R) News Service bulletins are a free, weekly 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 who share an active interest in designing, ... Read more [...]

ANS-102 AMSAT News Service Weekly Bulletins

AMSAT News Service ANS-102 April 12, 2026 In this edition: Reminder: AMSAT at Hamvention AMSAT to Attend CubeSat Developers Workshop 2026 AMSAT Satellite Status Page: The Story Behind the New Colors and Satellite Naming Convention IARU Coordination Requested for VemanaReddySat FO-29 Update Changes to AMSAT TLE Distribution for April 10, 2026 ARISS News AMSAT Ambassador ... Read more [...]

ANS-095 AMSAT News Service Weekly Bulletins

April 5, 2026 In this edition: The AMSAT(R) News Service bulletins are a free, weekly 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 who share an active interest in designing, ... Read more [...]

ANS-088 AMSAT News Service Weekly Bulletins

AMSAT News Service ANS-088 March 29, 2026 In this edition: * AMSAT Announces Full Lineup of Events and Activities for Hamvention 2026 * AMSAT CubeSatSim Lite Available Again for Purchase Through AMSAT Store * New “Ground Station” Software Streamlines Satellite Tracking and Decoding * KrakenRF Announces Discovery Drive Az/El Rotator for Satellite Operations * Artemis ... Read more [...]

ANS-081 AMSAT News Service Bulletins

AMSAT News Service ANS-081 March 22, 2026 In this edition: * Digital Modes on FO-29 Not Permitted per Licensing Restrictions* Ten-Koh 2 Satellite With Linear Transponder Update* Catsat Request for Activation* SpaceX Plan For 1 Million Centers Poses Dangerous Risk* Changes to AMSAT-NA TLE Distribution* Astronauts Complete Prep For New ISS Solar Array* ARISS News* ... Read more [...]

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 … [...]

IARU IWS Newsletter February 2026

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

YOTA Contest 2026 | 1st Round on 15th March

The first round of the YOTA Contest 2026 will take place on 15th March 2026, from 10:00 to 22:00 UTC. The YOTA Contest is one of the key activities supporting the Youngsters On The Air program and aims to encourage … [...]

Radiorama Numero 135

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 [...]

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

Radiorama Numero 133

VK9HJ – Norfolk Island

Dom, VK2HJ travels to Norfolk Island regularly for work and when he has free time will operate as VK9HJ from the island. His antenna is a simple telescopic 1/4 wave vertical covering 20m through to 10m running 100w. QSOs logged via QRZ.com. – AUDIO from VK2HJ/VK9 – Norfolk Island (Feb 2023) [...]

E6MGA – Niue

Murray, ZL1MGA will be active from Niue as E6MGA during April 25 to May 1, 2026. QRV on 40 & 20m, possibly 15m too; SSB & FT8. No paper QSLs. Updates here. [...]

3X3A – Republic of Guinea

[UPDATE] by Elvira, IV3FSG / 3X3A. The 60m band shook tonight! For the first time ever, the 3X prefix hit this frequency, and the pileup was literally overwhelming. Being the first to bring Guinea into the air on 60m is an incredible feeling. I managed a relentless flow of calls: signals coming from everywhere, electrifying […] [...]

TX9W – Marquesas Islands

[LOG INFO] – The team is working diligently under trying conditions to resolve logging issues. The team leader, who happens to have most of the IT experience, is not onsite, due to an emergency medical problem. We have implemented some software and config changes to simplify the environment. An earlier version of software has been […] [...]

4W/EA2TA, 4W/EA3NT & 4W/IZ7ATN – Timor-Leste

With licenses in hand, look out for George, 4W/EA2TA, Christian 4W/EA3NT and Simon 4W/IZ7ATN to be active from Timor-Leste (OC-148) during April 21-28, 2026. QRV on 80-6m; CW, SSB & FT8. (60m not allowed in 4W). QSL all calls via IZ7ATN, LoTW. Further updates and pics to follow here on DX-WORLD. [...]

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. [...]

Categoria: Tecnica

Propagazione E-sporadico

Controller per commutatore antenna

Quansheng UV-K5 e UV-K6

XHDATA D-808

Baofeng BF-888S

Spiderbeam Yagi – Parte 2

LNA SPF5189Z

Alimentatore CANFI

CANFI

LNB SAT

Propagazione E-sporadico

Mostra Scambio Torrita di Siena

D.M. 26 Gennaio 2026

Auguri 2025

Controller per commutatore antenna