pianetaradio – Pagina 14 – PianetaRadio.it

La seguente tabella mette in relazione la potenza rms in dBm o watt e la relativa ampiezza in volts (rms, massima o picco-picco) di un segnale sinusoidale su un sistema ad impedenza 50 ohm. dBm […]

Contributo annuo radioamatori

Pubblicato il 01/01/2009, ultimo aggiornamento 30/10/2024 By pianetaradio

Istruzioni per il pagamento del canone annuo per i radioamatori

Protezione ESD

Pubblicato il 01/11/2008, ultimo aggiornamento 07/12/2017 By pianetaradio

L’E.S.D. (Electro Static Discharge) è una scarica elettrica causata dal trasferimento di elettricità statica da un oggetto ad un altro. La carica elettrica si può formare per sfregamento e separazione tra due materiali differenti, ad […]

Guide d’onda

Pubblicato il 01/10/2008 By pianetaradio

Caratteristiche Guide d’onda

Radio Test

Pubblicato il 01/07/2008 By pianetaradio

Radio Test è un software per la preparazione all’esame di radioamatore.

Links – Surplus e Strumenti di misura

Pubblicato il 08/04/2008, ultimo aggiornamento 06/02/2020 By pianetaradio

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Villa Griffone a Linea Verde

Sabato 23 novembre (ore 12:20) RAI 1 trasmetterà un servizio girato a Villa Griffone (IY4FGM). La trasmissione, realizzata nell’ambito delle celebrazioni per i 100 anni della Radio in Italia, sarà inclusa nel programma Linea Verde, che da oltre quarant'anni racconta le eccellenze italiane. [...]

L'Editoriale di novembre 2024

Non di sole quoteAlessio Sacchi, IZ4EFN Stabilire gli importi delle quote e dei servizi per l’anno in arrivo è sempre un tema articolato che, in estrema sintesi, richiede un’analisi della previsione di bilancio (quanto ci occorre per andare avanti, quanti siamo), della politica associativa (su cosa investire) e del contesto nel quale operiamo (competitivo, legislativo, fiscale). Quest’anno, coinvolge una riflessione ancora più profonda sul nostro futuro. [...]

Quote Sociali 2025

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

Diploma 100 Anni di Radio in Italia

A partire dal 1° ottobre saranno presenti sulle bande radioamatoriali HF diverse stazioni commemorative delle Sezioni ARI con Nominativo Speciale. Per scaricare il regolamento in PDF cliccare QUI [...]

Fall Season Section Manager Election Results

On Tuesday, November 19, ballots were counted at ARRL Headquarters for the ARRL South Carolina Section Manager election that was conducted this fall. ARRL members in South Carolina have elected incumbent Matthew Crook, W1MRC, to continue as their Section Manager with a new term of office starting on January 1, 2025. Crook received 296 votes, and his opponent, Billy Irwin, K9OH, of Anderson, re [...]

New Video Promoting YouTube Telethon to Benefit Teachers Institute

The ARRL Teachers Institute on Wireless Technology is a tremendously successful advocacy for inspiring youth, and it is growing significantly. The program is entirely donor-funded, and that effort is getting a huge shot in the arm. A YouTube telethon to raise money for the program will be held on Saturday, November 30, 2024, on the Ham Radio Crash Course channel. ARRL Education and Learning Man [...]

25th Annual SKYWARN Recognition Day December 7, 2024

SKYWARNTM Recognition Day is December 7, 2024. The annual event is celebrating its 25th anniversary. SRD was established in 1999 by the National Weather Service and ARRL® to commemorate the contributions of SKYWARN volunteers. Using amateur radio and other means of communication, SKYWARN spotters provide real time ground truth to NWS offices. The ham-volunteers can also provide vital communicat [...]

The K7RA Solar Update

Solar activity was lower this reporting week, November 14-20, withthe average daily sunspot number down from 141.6 to 99.3, and solarflux from 203.7 to 152.4. Geomagnetic indicators were quiet.This follows a period during August and October when it seemed wemust be at the peak of Solar Cycle 25. But we won't know that untilnearly a year after solar max, when a long moving average of dailysunspo [...]

ARRL Closing Early Nov. 21, and Closed for Thanksgiving Holiday Nov. 28 - 29

ARRL® The National Association for Amateur Radio® has two closures coming up for our headquarters in Newington, Connecticut:ARRL will close early at 12 PM Eastern Standard Time (1700 UTC) on Thursday, November 21, 2024. The ARRL Headquarters lobby and store, as well as W1AW, will be open to visitors from 8 AM to 12 PM EST on Thursday. There will be no interruptions to the W1AW bulletins or cod [...]

4 November – Listening to the Enemy by Mike Griffiths

Apologies for the issue below – a setting is wrong and this video will be available again soon! The presentation Many know that during WWII radio amateurs were drafted into the military specifically for their radio skills. But what was their experience like as they started to work for MI6 and the mysterious Radio Security […] [...]

The past and the future: Convention presentations

The RSGB continues to share some great presentations from its recent annual Convention. The two this week look back to the important history of amateur radio and contrast that with how amateur radio might be influenced by modern technology. Don Beattie, G3BJ discussed the very different amateur radio environment of 1924, and the history and […] [...]

Tonight @ 8: HF antennas

The final RSGB Tonight@8 webinar of 2024 is on Monday 2 December. The presentation by Tim Hier, G5TM will focus on the various HF antennas available for portable operating. He will also look at how to use very basic modelling software to ascertain the choices you have at your disposal. Tim’s ethos when working portable […] [...]

YOTA Month: encourage youngsters on the air

Youngsters on the Air Month begins one week today. Call sign GB24YOTA will be active for the duration of the month, hosted by a range of groups, clubs and individuals. Marlborough Scout Group will be the first team of youngsters to operate. They will be on the air before midday on Sunday 1 December, and […] [...]

Also in GB2RS this week…

The RSGB VHF Contest Committee is currently planning the rules for the 2025 VHF contests. Following some discussion at the RSGB Convention, the committee members have some questions on which they would appreciate feedback from contestants, with particular topics focused around VHF Field Day and the Back Packers events. You can find the survey online and […] [...]

ANS-322 AMSAT News Service Weekly Bulletins

In this edition: * AMSAT OSCAR-7 50th Anniversary – A Testbed for Saving Lives * Another Batch of CubeSatSim Kits Available Soon in AMSAT Store * SpaceX Dragon Fires Thrusters to Boost ISS Orbit for the First Time * SEAQUE Quantum Tech Arrives at ISS for Groundbreaking Demo * Changes to AMSAT-NA TLE Distribution for ... Read more [...]

ANS-315 AMSAT News Service Weekly Bulletins

AMSAT News Service ANS-315 November 10, 2024 In this edition: Celebrating AO-7: First Earth-Space-Space-Earth Relay Communications September/October 2024 Issue of The AMSAT Journal Available 2024 AMSAT Symposium Proceedings Available to AMSAT Members ASRTU-1 Satellite With FM Transponder Launched MO-122 Telemetry Beacon Level and Update – November 9, 2024 ARISS SSTV Event Changes to AMSAT TLE ... Read more [...]

ANS-308 AMSAT News Service Weekly Bulletins

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, building, launching and ... Read more [...]

ANS-301 AMSAT News Service Weekly Bulletins

In this edition: * AMSAT Board of Directors Elects Officers * 42nd Annual AMSAT Space Symposium Held in Tampa * GridMasterMap Satellite Top 100 Rovers November 2024 Rankings * CatSat Commissioning is Near * Administration Eases Restrictions On Space-Related Exports * Intelsat Satellite Explodes In Orbit * Changes to AMSAT-NA TLE Distribution * Reflect Orbital ... Read more [...]

ANS-294 AMSAT News Service Weekly Bulletins

In this edition: * 42nd Annual AMSAT Space Symposium to Proceed After Hurricane Milton * 2024 AMSAT-UK Colloquium: A Weekend of Satellite Innovation and Collaboration * SpaceX Achieves First Super Heavy Booster Catch in Landmark Starship Flight * NASA’s Europa Clipper Embarks on Epic Journey to Explore Alien Ocean World * European Spacecraft Launches to ... Read more [...]

ENAMS online presentations

Recently news post on the IARU-R1 website and email have informed about the new generation of the noise measuring receiver ENAMS 2.0 (developed by DARC) within the IARU-R1 Noise Measuring Campaign (NMC). In order to spread information and to allow … [...]

IARUMS R1 Newsletter October 2024

The IARUMS Region 1 Newsletter October 2024 is now available.Click on the link to read it! … [...]

ENAMS 2.0 available for pre-orders

What is ENAMS ? ENAMS stands for Electrical Noise Area Measurement System. It is a network of receivers that automatically measures and records the background noise level in the radio frequency spectrum from 66 kHz to 31 MHz. This data … [...]

Radio Devroom @FOSDEM’25 (1st February)

Calling all Free and Open-Source Radio Enthusiasts! Wondering what Amateur Radio and Software-Defined Radio are all about? We’ve got you covered with a clear introduction – check out the “Recommended Topics” section! We’re calling on developers and users of Free … [...]

International Day of Persons with Disabilities on 3 December 2024

Join Us in Celebrating the Program for Disabled Radio Amateurs (PDRA) on International Day of Persons with Disabilities! Hosting special operating activities or nets that focus on accessibility in amateur radio. Sharing stories and achievements of disabled ham operators within … [...]

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

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 [...]

Sconto SANDIT riservato ai Soci AIR!

Sandit Libri propone a tutti gli associati AIR uno sconto incondizionato su tutti i libri in catalogo del proprio sito www.sanditlibri.it del 10% sul costo del libro già scontato del 5% (applicato sul sito), [...]

Radiorama Numero 128

L’A.I.R. al MUMEC di Arezzo

Il MUMEC Museo dei Mezzi di Comunicazione è una realtà attiva nel territorio aretino dal 2005, di rilevanza regionale dal 2018 e che ad oggi conta più di duemila pezzi esposti in 500 mq [...]

HD8CW – Galapagos Islands

[GALLERY] – With credit to the HD8CW team, here’s a photo gallery direct from the Galapagos Islands. [QRV, NOV 19th] – HC5CW / K2IN and HC2AP will be active from the San Cristobal island, Galapagos Islands as HD8CW during November 19-28, 2024. QRV on HF bands; CW, SSB and FT8. Also participation in the CQWW […] [...]

A35GC – Tonga

[EARLY REMINDER] – After their Rarotonga activity (as E51SGC), Stan LZ1GC and Ted LZ5QZ will be QRV from Nuku’alofa, Tongatapu OC-049 as A35GC during November 25 to December 6, 2024. QRV on 160-6m; CW, SSB, FT8/FT4, RTTY. QSL via LZ1GC, LoTW, Club Log OQRS. NOTE: Stan LZ1GC was last active from Tonga in 2022 – […] [...]

2024 CQWW CW Contest

This coming weekend (November 23-24) sees one of the biggest DX contests of the year – CQWW CW. Even if you’re not a contester, there’s usually something “juicy” to work on the bands, especially now sunspots and solar flux are much higher than previous years. Keep an eye on ADXO for the most up to […] [...]

XV9X – Phu Quoc Island, AS-128

[NEWS UPDATE] – Juris YL2GM reports they have installed a Spiderbeam and 80m antenna. There is big mountain in the direction towards Europe from their QTH. JA and USA direction to the North is free from obstacles. XV9X CLUBLOG SEARCH [QRV, NOV 19th] – On November 16th, Juris and XYL Zigrida + Eugene EA5EL and […] [...]

V31CQ – Belize

Scott, K5PS is again active from Maya Hill Lodge, Blackman Eddy Village, Belize as V31CQ until November 30th. QRV on 80-10m, SSB & CW. QSL via H/c, LoTW, eQSL, Club Log. Recording below by DX-WORLD from November 2023. [...]

8P5A Barbados. From DXNews.com

Tom, W2SC will be active as 8P5A from Barbados Island, IOTA NA - 021, in CQ WW DX CW Contest, 23 - 24 November 2024. [...]

E2X Thailand. From DXNews.com

E2X Team will be active from Thailand in CQ WW DX CW Contest, 23 - 24 November 2024. [...]

D4DX Sao Vicente Island Cabo Verde. From DXNews.com

Emir, E77DX will be active as D4DX from Sao Vicente Island, IOTA AF - 086, Cape Verde, Cabo Verde, 13 - 26 November 2024. [...]

JT1BV Mongolia. From DXNews.com

Naran, JT1BV will be active from Mongolia in CQ WW DX CW Contest, 23 - 24 November 2024. [...]

VP2VWW VP2V/AA7V British Virgin Islands. From DXNews.com

Steve, AA7V will be active as VP2V/AA7V from British Virgin Islands, IOTA NA - 023, in CQ WW DX CW Contest, 23 - 24 November 2024. [...]

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Protezione ESD

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