Tecnica – Pagina 4 – PianetaRadio.it

DDS Arduino Signal Generator

Pubblicato il 15/11/2019, ultimo aggiornamento 27/12/2019 By iz8ewd

Generatore di segnali DDS controllato da Arduino.

Smart Sequencer

Pubblicato il 04/05/2019, ultimo aggiornamento 14/08/2022 By iz8ewd

Sequencer antenna

Antenna analyzer FA-VA5

Pubblicato il 02/04/2019 By iz8ewd

Analizzatore vettoriale di antenna FA-VA5

Compressore microfonico

Pubblicato il 30/05/2018, ultimo aggiornamento 10/04/2020 By iz8ewd

Compressore microfonico con SSM2167

Yaesu FT-847 – Filtro SSB YF-122S

Pubblicato il 04/04/2018, ultimo aggiornamento 09/04/2020 By iz8ewd

Installare il filtro SSB stretto Yaesu YF-122S su FT-847.

Controllo remoto GPIO RaspberryPi da Web

Pubblicato il 21/03/2018, ultimo aggiornamento 15/11/2020 By iz8ewd

Controllo remoto di utenze da interfaccia web con la GPIO di Raspberry Pi, Python e Flask

Analizzatore di Spettro con RTL SDR

Pubblicato il 07/02/2018 By iz8ewd

Utilizzare una pennetta RTL-SDR come analizzatore di spettro con rtl_power su Raspberry Pi.

Yaesu FT-847 – Connettore N VHF

Pubblicato il 03/01/2018 By iz8ewd

Modifica per la sostituzione del connettore VHF con il tipo N.

Yaesu FT-847 – TCXO

Pubblicato il 01/11/2017 By iz8ewd

Yaesu FT-847 - Kuhne electronic TCXO QH40A

Installazione sistema TCXO per stabilizzare l’oscillatore locale.

LNA Switch

Pubblicato il 01/02/2017 By iz8ewd

Soluzione per la commutazione di preamplificatori con relé economici

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L'Editoriale di marzo 2025

Ediradio cessa le sue attivitàAlberto Zagni, I2KBD*Paolo Reda, IZ2AMW** Costituita a metà degli anni Ottanta con l’intento di separare le operazioni commerciali da quelle statutarie di ARI, Ediradio ha rappresentato un passaggio cruciale nella gestione di importanti aspetti, tra cui la produzione di RadioRivista, l’acquisto di carta da stampa, la gestione delle attività commerciali soggette a IVA, nonché la vendita di spazi pubblicitari e di materiale promozionale ai soci. La decisione di costituire questa entità fu dettata dalla volontà dei passati Consigli Direttivi Nazionali (CDN) di semplificare la gestione amministrativa e commerciale, consentendo così una maggiore efficacia operativa [...]

Riunione CEPT WG-FM

La riunione n. 109 del CEPT WG-FM tenutasi nella settimana dal 10 al 14 febbraio ha approvato una bozza di decisione ECC che identifica le bande di frequenza per il sistema di navigazione satellitare europeo Galileo e le misure operative per l'uso continuo della banda da 23 cm nell'intervallo 1258-1300 MHz. Chi fosse interessato, può scaricare la bozza cliccando su questo link Un rapporto riassuntivo, che copre questa e altre attività del CEPT WG-FM, è disponibile cliccando QUI [...]

EA1JAY nuovo Presidente della Youth Committee IARU Reg. 1

Mario Lerma Martínez, EA1JAY, è il nuovo Presidente della IARU Region 1 Youth Committee. La votazione dell’Executive Committee (EC) è stata unanime. L’ARI è lieta di dare il benvenuto a Mario e auguragli il meglio in questo nuovo ruolo. [...]

Sondaggio ARI Radioscouting

Per scaricare in PDF cliccare sull'immagine [...]

Contributo radioamatori 2025 - Precisazioni

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

Dayton Hamvention 2025 Award Winners Announced

The recipients of the 2025 Dayton Hamvention® Awards were announced on March 11, 2025. “The selection process was highly competitive, given the outstanding quality of nominations submitted this year. We extend our heartfelt congratulations to the winners for 2025,” said Dayton Hamvention Awards Chair Michael Kalter, W8CI.Technical Achievement Award: Dr. Kristina Collins, KD8OXTDr. Kristina Coll [...]

Hurricane Watch Net Founder Gerald Murphy, K8YUW, a Silent Key

Gerald E. “Gerry” Murphy, K8YUW, passed away on February 25, 2025. He was 88 years old, and the founder of the Hurricane Watch Net (HWN). According to a statement released by current HWN manager Bobby Graves, KB5HAV, Murphy, then 28 years old, was stationed at the U.S. Naval Mobile Construction Battalion Center in Davisville, Rhode Island, in 1965. During his time off, he handled countless phon [...]

Clubs are Gearing Up for ARRL Ham Radio Open House — Yours Can, Too!

The ARRL Solar Report

Spaceweather.com is reporting "A Hole In The Sun's Atmosphere" thatshould reach Earth on March 9 and 10.Solar activity has been at moderate levels for the past 24 hours.The largest solar event of the period was a M1 event observed onMarch 5 at 1150z from Region 4016. There are currently 10 numberedsunspot regions on the disk.Solar activity is expected to be low with a chance for M-classflares a [...]

The ARRL Solar Report

A Coronal Mass Ejection (CME) associated with a filament eruptionbecame visible on February 26 at 1448 UTC. Model analysisdetermined this CME to be a miss ahead of the Sun/Earth line.Unsettled to active levels are likely on February 28 to March 1 as aCoronal Hole influence continues, and a glancing blow is possiblefrom a Coronal Mass Ejection that occurred on February 25.Solar activity is fore [...]

RSGB to activate IARU centenary special call sign

As part of the celebrations of the centenary of the International Amateur Radio Union, the RSGB will be activating the call sign GB0IARU during the month of April 2025. If you would like to be an activator, you need to be an RSGB member with a Full licence, as UK licence conditions only allow Full […] [...]

British Science Week events

British Science Week began on Friday 7 March and will continue until Sunday 16 March. The annual celebration presents radio amateurs with the opportunity to showcase the hobby to new audiences. Crowthorne and Wokingham Men’s Shed will be operating as G8EYM during the forthcoming week. Organisers who would like to set up skeds with other […] [...]

RSGB PSC members to give talks at HamSCI event

Ham Radio Science Citizen Investigation (HamSCI) is holding its 8th annual workshop in New Jersey, USA on 14 to 15 March 2025. This year’s workshop features nearly 50 presentations, four tutorials, as well as a keynote address by the ARRL‘s Bob Inderbitzen, NQ1R. RSGB Propagation Studies Committee (PSC) associate member Prof. Gwyn Griffiths, G3ZIL will […] [...]

GB2RS News Script for 9 March 2025

Tap or click the link below to download this week’s news script News script for 9 March 2025 (MS Word document) [...]

Also in GB2RS this week…

The RSGB remote invigilation team will be taking a break over the Easter weekend. You will be able to book to take an exam on Friday, 18 April 2025 or Saturday, 19 April 2025, but no exam slots will be available on Sunday, 20 April, or Monday, 21 April. Exam bookings will resume as normal […] [...]

ANS-068 AMSAT News Service Weekly Bulletins

AMSAT NEWS SERVICEANS-068 In this edition: The AMSAT 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-061 AMSAT News Service Bulletins

In this edition: * Amateur Satellites Scheduled for Launch This Week * Nine New TEVEL Satellites Scheduled for Launch * UVSQ-Sat NG Scheduled for Launch * Intuitive Machines’ Lunar Lander Beams Back First Images of Earth * SpaceX Delays Flight 8 of Starship * GridMasterMap Satellite Top 100 Rovers March 2025 Rankings * VUCC Standings ... Read more [...]

ANS-054 AMSAT News Service Weekly Bulletins

In this edition: * HADES-R FM Repeater Activated and Designated Spain-OSCAR 124 (SO-124) * ARISS Completes Successful FRAM2Ham Simulation Event Using ISS Radio * Blue Ghost and Resilience: Private Landers on Course for Lunar Touchdowns * The Space Race Below: How Satellites Are Pushing the Limits in VLEO * Beyond L1: Solar Sails Aim to ... Read more [...]

ANS-047 AMSAT News Service Weekly Bulletins

AMSAT News Service ANS-047 February 16, 2025 In this edition: HB9RG Trophy Competition – March 3 – 16, 2025 Current Active AMSAT Engineering Projects Changes to AMSAT TLE Distribution for February 14, 2025 ARISS News Upcoming Satellite Operations AMSAT Ambassador Activities Satellite Shorts From All Over The AMSAT News Service bulletins are a free, weekly ... Read more [...]

ANS-040 AMSAT News Service Weekly Bulletins

In this edition: * AMSAT-EA’s HADES-R Successfully Deployed and Transmitting Telemetry * Blue Origin Simulates Lunar Gravity on Landmark New Shepard Flight * Interlune Aims to Mine Lunar Helium-3 for Quantum Computing on Earth * VUCC & DXCC Satellite Standings for February 2025 * Changes to AMSAT-NA TLE Distribution for February 7, 2025 * ARISS ... Read more [...]

Provisional Results Marconi Memorial VHF Contest

The provisional results for the last 2024 Marconi Memorial VHF Contest are available on the IARU Region 1 VHF & Up Contest Robot. We have received 766 logs from 28 different countries of our Region 1. The complaining period will … [...]

IARUMS R1 Newsletter February 2025

The IARUMS Region 1 Newsletter February 2025 is now available.Click on the link to read it! … [...]

Provisional Results IARU R1 UHF & MW Contest

Provisional results for the last 2024 IARU R1 UHF & MW Contest are available on the IARU Region 1 VHF & Up Contest Robot. We have received a total of 1820 logs from 25 different countries covering the majority of our Region 1. … [...]

M17 Conference 2025 in Poland, September 6–7 (Sat-Sun)

The M17 Foundation is pleased to inform that the M17 Conference 2025 will take place on 6–7 September, in Nowy Dwór Mazowiecki, Poland. The main topic will be open-source software and hardware development in the amateur radio realm, with the … [...]

YOTA Contest 2025

The first round of YOTA Contest 2025 will be held on March 9th between 10:00–22:00 UTC. YOTA Contest encourages us to make QSOs with as many young HAMs as possible. QSOs with operators under the age of 26 are worth … [...]

A.I.R. Contest 2025

I risultati finali dell’AIR CONTEST 2025! Ottimi ascolti a tutti gli appassionati. [...]

radiorama : 40 anni di passione per il radioascolto!

Quest’anno, radiorama, la storica rivista dedicata al radioascolto dell’AIR-Associazione Italiana Radioascolto, celebra un traguardo importante: i suoi 40 anni di attività. Fondata nel 1985, radiorama ha accompagnato generazioni di appassionati, diventando un punto di [...]

Radiorama Numero 130

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 [...]

100 anni di radio !

Anche l’A.I.R. intende commemorare i primi 100 di radio in Italia dedicandogli questa pagina e sperare in un suo futuro migliore, particolarmente nel nostro paese dove sono stante abbandonate le onde corte e recentemente [...]

Radiorama Numero 129

FY/PY8WW – French Guiana

Ren, PY8WW is currently active from French Guiana as FY/PY8WW. He mentions this will become a recurring, but not continuous, operation, and that Brazilian amateur radio operators are granted automatic rights to use FY/homecall in Guianese territory (in accordance with Article 7-2, subparagraph 4 of the decree dated September 21, 2000, as modified. For more […] [...]

PJ7KB & FS/KJ9B – Sint Maarten & Saint Martin

Ken, KJ9B will be active from Sint Maarten (as PJ7KB) & Saint Martin (as FS/KJ9B) during March 25 to April 6, 2025. QRV on 20 & 17m; SSB, FT8 & FT4. Power = 30w. QSL via Club Log OQRS or KJ9B direct. [...]

6Y7EI – Jamaica

[QRV @ 1545Z] – Team member EI5GM let’s us know that 6Y7EI is now QRV on FT8 while antenna set up continues. CW & SSB to come. [MARCH 13 @ 0530Z] – All the team and luggage arrived safe and well in Jamaica. Set up begins in a few hours, says Dave EI9FBB. [INITIAL NEWS] – […] [...]

FT/Z – 55% of island affected by fire

[SITUATION UPDATE by TAAF] – The fire that has been raging on Amsterdam Island, in the French Southern and Antarctic Territories, since January 15, 2025, has affected an estimated area of 2,578 hectares, or nearly 55% of the island. The reconnaissance mission carried out on the island at the end of February revealed that, despite the […] [...]

DX-WORLD Weekly Bulletin

[#602] The latest FREE NON-SUBSCRIPTION DX-World Weekly Bulletin written by Bjorn ON9CFG is available to download. Click below to get the newest jam-packed edition. This week runs to 17 pages. Previous bulletins can all be found here. Please contact Bjorn with any updates or errors. DOWNLOAD THE LATEST BULLETIN ===== [...]

6Y7EI Jamaica. From DXNews.com

6Y7EI Team will be active from Jamaica, IOTA NA - 097, 12 - 24 March 2025. [...]

E51ANQ Cook Islands. From DXNews.com

Frank, DJ5NQ is currently active again as E51AMQ from Rarotonga Island, IOTA OC - 013, Cook Islands. [...]

FM/F8AAN Martinique. From DXNews.com

David, F8AAN is currently active as FM/F8AAN from Martinique Island, IOTA NA - 107. [...]

JG8NQJ/JD1 Marcus Island Minami Tori Shima Islands. From DXNews.com

Take, JG8NQJ will be active again as JG8NQJ/JD1 from Marcus Island, IOTA OC - 073, Minami Torishima, 17 April - 17 June 2025. [...]

PJ7UK Sint Maarten Island. From DXNews.com

Chris, N0UK/G4JEC will be active as PJ7UK from Sint Maarten Island, IOTA NA - 105, 28 November - 7 December 2025. [...]

Categoria: Tecnica

DDS Arduino Signal Generator

Smart Sequencer

Antenna analyzer FA-VA5

Compressore microfonico

Yaesu FT-847 – Filtro SSB YF-122S

Controllo remoto GPIO RaspberryPi da Web

Analizzatore di Spettro con RTL SDR

Yaesu FT-847 – Connettore N VHF

Yaesu FT-847 – TCXO

LNA Switch

CatRotator 1.5.1

World Radio Day 2025

Podcast Rai PlaySound Number Stations

Auguri 2024

Modalità per il versamento dei contributi radioamatoriali