DDS – 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.

DDS 60

Pubblicato il 01/04/2008, ultimo aggiornamento 15/11/2019 By iz8ewd

DDS 60, kit VFO 60MHz con DDS AD9851

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Worldwide Ham Radio Operators (2000-2022)

Amateur Radio Operator numbers worldwide from data 2000 to 2022. This data has been collected from multiple data sources. Some records only go up to 2018, so data to 2022 has been filled in with growth trend data. The last known collection of total hams worldwide was taken by the IARU in 2000.Source: Ham Radio DX [...]

XVIII Diploma COTA

L'Associazione Radioamatori Carabinieri C.O.T.A. in occasione del 208° anniversario della fondazione dell'Arma dei Carabinieri con la collaborazione del Comando Generale dell'Arma dei Carabinieri istituisce il XVIII Diploma COTA. Partecipazione: è aperta a tutti gli OM e SWL, italiani e stranieri; Periodo: fino alle ore 24:00 UTC del 5 giugno 2022; Bande: 3,5 MHz (80 m), 7 MHz (40 m),14 MHz (20 m), 21 MHz (15 m) 28 MHz (10 m), 144 MHz (2 m) nei segmenti raccomandati dalla IARU- Regione 1; Categorie/Modi: SSB, CW, Misto, (SSB+CW), RTTY, PSK31, FT8. Per scaricare il regolamento completo in PDF cliccare QUIManager del DiplomaGiovanni, U2IFIFonte: C.O.T.A. [...]

Il Mise sui ponti ripetitori

Disponibile, cliccando sull'immagine, la Circolare MiSE relative alla Nuova Procedura per il rilascio delle autorizzazioni generali per le stazioni automatiche non presidiate [...]

Ediradio acquisti più semplici!

Vi informiamo che è possibile pagare con carta di creditoper gli acquisti in Ediradio di libri e gadget radioamatoriali.Vi aspettiamo dal Lunedì al Venerdì dalle 12 alle 18! [...]

Bramea Award

Stazione Speciale valida per il Diploma Bramea della Sezione ARI di Melfi "Carmine Troiano" IQ8MJ dal 14/05/2022 al 29/05/2022Per leggere il regolamento completo cliccare QUI [...]

The K7RA Solar Update

Solar activity was up, up, up this week, with average daily sunspot numbers increasing from 74.4 to 134.1, and average daily solar flux from 120.3 to 157.3.To get some perspective, I averaged the weekly averages for sunspot number and solar flux from this bulletin and the previous three, then compared them to the bulletins from one year earlier.A year ago, the averages for 2021 Propagation For... [...]

The K7RA Solar Update

We saw some evidence of sporadic-e propagation this week on 6 and 10 meters, always surprising and exciting.Solar activity was about the same as last week, at least going by the numbers.Average daily sunspot numbers rose slightly from 68.6 to 74.4, while average daily solar flux only budged from 120 to 120.3.Geomagnetic indicators were quieter, with average daily planetary A index shifting from... [...]

Listen to ARRL Audio News for May 13, 2022

The latest edition of ARRL Audio News podcast for May 13, 2022 is available for listening now. This week's edition includes an update for the upcoming Dayton Hamvention®, an announcement for the Armed Forces Day Cross-Band Exercise which be held on May 14, and much more. ARRL Audio News is a summary of the week’s top news stories in the world of amateur radio, along with interviews and other fe... [...]

ARES® Activated in Oklahoma for Tornado Clean-Up Communications

To help with emergency communications support following an outbreak of tornadoes that hit this past week, the Oklahoma Department of Emergency of Management and Homeland Security requested support from the Oklahoma Amateur Radio Emergency Service® (ARES®).During the first week of May, 12 tornadoes touched down in the central and eastern parts of Oklahoma. The tornado that struck Seminole, Oklah... [...]

Día del Radioaficionado Celebrated May 10, 2022 in Puerto Rico

On May 10, 2022, radio amateurs in Puerto Rico celebrated 25 years of Día del Radioaficionado (Puerto Rico Amateur Radio Operator Day). The day was designated the second Tuesday in May by Law 50 of June 7, 1996. The Governor of Puerto Rico, Pedro Pierluisi, issued a proclamation to honor the event. Radio amateurs took to social media and the airwaves to celebrate and send good wishes. A special... [...]

Board proceedings – new online location

Following the introduction of our upgraded Membership Services system, the Board proceedings and reports have moved to a new location. They can now be found inside your new Membership Services portal. Proceedings and reports from the present day back to January 2019 have already been added to the new section; the remaining archive from 2015 […] [...]

GB70 QSL card

If you contact a GB70 station during June, a professionally-designed QSL card will be available on request from the appointed professional QSL Manager. Bureau QSL cards are free of charge, from M0OXO OQRS with the first batch of cards anticipated to be sent during July 2022. Cards requested by direct post will be subject to a […] [...]

GB2RS News Script for 22 May 2022

Tap or click the link below to download this week’s GB2RS news script GB2RS News Script for 22 May 2022 (19-page/440KB Microsoft Word document) Problems downloading the GB2RS news script? Try this alternative link [...]

High altitude balloon launch

A team from hi-impact on the Wirral will be working alongside the Oaktree Multi-Academy Trust, a Wirral based group of schools, on a High Altitude Balloon launch. This is planned for Thursday the 26 May at 11am from a location near Welshpool. The frequency in use will be 434.250MHz USB. There will be RTTY signals […] [...]

IARU Region 1 interim meeting

IARU Region-1 is holding its Interim Meeting on the 23 June. As outlined in the recent June RadCom, feedback is welcomed on proposals for global HF band changes to accommodate growth in digital modes and related matters. The meeting will also consider a series of EMC and Spectrum topics. RSGB have a consultation page with […] [...]

ANS-142 AMSAT News Service Weekly Bulletins for May 22

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 communicating through analog ... Read more [...]

ANS-135 AMSAT News Service Weekly Bulletins for May 15

AMSAT NEWS SERVICE ANS-135 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 ... Read more [...]

ANS-128 AMSAT News Service Weekly Bulletins for May 8

AMSAT NEWS SERVICE ANS-128 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 ... Read more [...]

ANS-121 AMSAT News Service Weekly Bulletins for May 1

AMSAT NEWS SERVICE ANS-121 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 ... Read more [...]

ANS-114 AMSAT News Service Weekly Bulletins for Apr. 24

AMSAT NEWS SERVICE ANS-114 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 communicating ... Read more [...]

First Session — YOTA Contest 2022

Press Releaseby International Amateur Radio Union Region 1 – Youth Working Group Nicosia, Cyprus — Tuesday, 15.05.2022 The first YOTA contest session of 2022 is coming up soon. Take the opportunity to test your stations a week prior the CQWPX … [...]

IARUMS R1 Newsletter April 2022

The IARUMS Region 1 Newsletter April 2022 is now available.Click on the link to read it! … [...]

IARU R1 Youth WG invited by CARS

The IARU R1 Youth Working Group recently got invited by the Cyprus Amateur Radio Society (CARS) into their Nicosia Heaquarters. Philipp Springer (DK6SP — Chair, IARU R1 Youth Working Group) took up the opportunity and introduced a school class of … [...]

Provisional Results March Subregional Contest

Since we are collecting all the scores for the new IARU Region 1 VHF & Up Trophy, for the first time ever we evaluate also the Subregional Contests. The provisional results of the March Contest are available on the IARU … [...]

Provisional results IARU R1 50 MHz MGM Contest

Provisional results for the last 2022 IARU R1 50 MHz MGM Contest held on April 16th/17th are available on IARU Region 1 VHF & Up Contest Robot. The complete Results Table is visible at this link. For a deep look, you can … [...]

Radiorama Numero 116

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... [...]

Radio Exterior de España: 80 anni!

Anche la nostra associazione desidera ricordare l’importante anniversario della Radio Exterior de España, i suoi primi 80 anni in onde corte. Emittente facilmente ascoltabile resta un punto di riferimento nel mondo dell’informazione internazionale. Per saperne... [...]

L’Ucraina in guerra – Notizie radiofoniche

In questi tragici momenti, che condanniamo, anche il mondo delle comunicazioni fa la sua parte. Tra mille difficoltà, interferenze e continui aggiornamenti. Per gli appassionati ecco alcune pagine pubblicate sul nostro BLOG per tenervi... [...]

AIR Contest 2022 – La classifica finale

AIR Contest 2022 – La classifica finale N° Partecipante – Paese Punti Cataldo Laddomada, Italia-AIR ... [...]

Radiorama Numero 115

[QRV] 3D2RRR – Rotuma

NEWS UPDATE – 3D2RRR on 12CW today. Recording by IZ5CML MAY 24 – 3D2RRR started FT8 activity from Rotuma at 04:40z. MAY 23 @ 12:15z – Team endured a hard sailing but are now a few hours from arriving Rotuma. It’s midnight local, so they will attempt a landing only during daylight. The post [QRV] 3D2RRR – Rotuma first appeared on DX-World. [...]

3B8M – Mauritius

Team 3B8M will again be QRV during CQWW CW (November 26-27) and a few days before and after the contest. This will be a M/M operation and confirmed operators so far are G0CKV, KX7M, M0SDV. More here The post 3B8M – Mauritius first appeared on DX-World. [...]

3B9 – Rodrigues Island

3B8FA, 3B8GF, 3B8CF, 3B8FV and 3B8BAN plan activity from Rodrigues island (callsign to be announced) during August 5-9, 2022. QRV on HF bands using G5RV’s; also activity on QO-100 SAT. The post 3B9 – Rodrigues Island first appeared on DX-World. [...]

TO2AZ – Guadeloupe

[UPCOMING] Reiner, DL2AAZ will be active Guadeloupe (QTH: Basseterre Island, NA-102) as TO2AZ during May 27 to June 10, 2022. QRV on 40-10m; CW, SSB. Radio: IC-706MK2, 300w PA and ground plane antenna. QSL via H/c. The post TO2AZ – Guadeloupe first appeared on DX-World. [...]

7P8CW – Lesotho

Hello fellow Hams, we will be having a Dx-pedition from the 1st November to the 9th November, the operational dates will be 2nd November 22h00 UTC 00h00 CAT until the 7th November 22h00 UTC until 00h00 CAT. Making provisions, for setting up and taking down the station. We hereby invite all Hams worldwide to work […] The post 7P8CW – Lesotho first appeared on DX-World. [...]

3B8M Mauritius. From DXNews.com

3B8M Team will be active from Mauritius Island, IOTA AF - 049, in CQ WW DX CW Contest, 26 - 27 November 2022. [...]

4L8A Tbilisi Georgia. From DXNews.com

Vakhtang, 4L8A will be active from Tbilisi, Georgia in CQ WW WPX CW Contest, 28 - 29 May 2022. [...]

OX3LX Greenland. From DXNews.com

Bo, OZ1DJJ will be active as OX3LX from Greenland, IOTA NA - 018, 27 - 30 May 2022. [...]

7P8CW Lesotho. From DXNews.com

7P8CW Team will be active from Lesotho, 1 - 9 November 2022. [...]

3D2RRR Rotuma Island. From DXNews.com

All ok here. Little hard ride but we should be on Rotuma in 3h. It's midnight so we Will enter the harbor daylight [...]

Icom IC-T10 Rugged Dual Band HT @ HamVention

Icom IC-T10 Rugged Dual Band HT This New VHF/UHF HT from Icom features a Very Rugged Design, 1500 mW of loud, clear speaker audio, 2400 mAH battery, IP67 Dust and Waterproof, FM Broadcast and Weather Receiver, Built on their Land Mobile Chassis. • 5 W RF output in 144 and 430 MHz.• Large speaker provides […] The post Icom IC-T10 Rugged Dual Band HT @ HamVention appeared first on QRZ NOW - Ham Radio News. [...]

Lido Radio Mounts

Lido mounts are a great way to mount your radio in your mobile. The post Lido Radio Mounts appeared first on QRZ NOW - Ham Radio News. [...]

iPortable Rack Systems | Ham Radio Rack Mounts

Take your Ham Radio Portable with iPortable. A look at these really cool rack mount units for HF/VHF/UHF Ham Radio. Portable Pro2 Equipment Rack Systems are specifically for portable communications. Made from ABS and powder-coated aluminum, these durable and lightweight rack cabinets are compatible with radios from most manufacturers. The front and rear lids feature […] The post iPortable Rack Systems | Ham Radio Rack Mounts appeared first on QRZ NOW - Ham Radio News. [...]

Barrett 4075 High Power HF Transmitter

The Barrett 4075 high power HF Transmitter is a compact rack mounted communications solution developed for base station applications in large HF networks. It can be supplied in 1kW and 500 W versions. The transmitter comes as a complete package with an exciter, power supply, liquid cooled linear power amplifier, interconnecting cables and all required […] The post Barrett 4075 High Power HF Transmitter appeared first on QRZ NOW - Ham Radio News. [...]

The history of communicating with submarines underwater

“Nestled deep in the Chequamegon-Nicolet National Forest in Northwest Wisconsin is the small town of Clam Lake. Clam Lake is best known for the excellent hunting and fishing in the area, and of course the herd of elk that roam the countryside. But the elk population is more of a side effect of what I’m […] The post The history of communicating with submarines underwater appeared first on QRZ NOW - Ham Radio News. [...]

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DDS Arduino Signal Generator

DDS 60

Ponti radioamatoriali

CatRotator e Log4OM

CatRotator

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