Antenne
- Antenna quadrifilare
- Antenna quadrifilare (G4ILO's shack, SK)
- Comet
- Diamond Antenna
- DX Commander
- Nagoya
- The End Feed Half Wave Antenna by Steve Yates - AA5TB
- APRS - Sito di Bob Bruninga WB4APR (SK)
- Byonics
- FindU
- Server APRS.FI
- M0CYP UI-View Web Resource
- TomTom - Dati GPS su Bluetooth
- A.R.I. Nazionale
- ARI Gorizia
- ARI Grado
- ARI Manzano
- ARI Monfalcone
- ARI Pordenone
- ARI San Daniele del Friuli
- ARI Trieste
- ARI Udine
- ARRL
- New Westminster Amateur Radio Club
- RSGB
- Arduino
- Elegoo
- Pacific Antenna - (ex QRP kits)
- QRP Labs
- Radio, Electronics and Computing Projects by Hans Summers
- Raspberry PI
- WB5RVZ Documentation Projects Home - Softrock Home Page
Componenti
- Amidon
- Analog Devices
- Digikey
- Farnell Element14
- FTDI Chip
- LiteON
- Mouser components
- Murata Manufacturing
- NXP
- On Semiconductor
- Prolific
- RF Elettronica
- RS components
- Silicon Labs
- TDK Corporation
- Texas Instruments
Digital radio
- EPC Member Center
- European PSK Club
- Feldhell Club
- FT8-DMC
- HF Link
- PSKreporter - Display Reception Reports
- WSPR - Weak Signal Propagation Reporter Network
- AC6V's Amateur Radio And DX Reference Guide
- EEVblog
- Hackaday
- Interference Technology
- Mappa interattiva ripetitori radioamatoriali italiani
- Microwaves101
- SolderSmoke Daily News - Ham Radio Blog
- SWLing Post
- The DX Zone - Amateur Radio Resource Guide
- CEPT
- DECRETO LEGISLATIVO 1 agosto 2003, n. 259, "Codice delle Comunicazioni"
- DIRETTIVA 2014/53/UE "RED"
- ECO Documentation
- ETSI standards
- ETSI EN 301 783 - V2.1.1 - Commercially available amateur radio equipment
- International Amateur Radio Union - Region 1
- INRiM - Istituto Nazionale di Ricerca Metrologica
- International Telecommunications Union
- ITU Frequency Plan
- ITU Radio Regulations
- MIMIT, Radioamatori
- Piano Nazionale di Ripartizione delle Frequenze - MIMIT PNRF
- The International System of Units (SI)
- USB Standard - Sito ufficiale
Propagazione & Solar data
- HamQSL.com - HF Propagation and Solar-Terrestrial Data Website
- Met Office Space Weather
- Propagazione by QSL.net
- Sito del NOAA - Previsioni solari
- SolarHam
- Spaceweather.com
- VOACAP - Web based RF propagation calculator
- I2NDT's QRSS KNIGHTS GRABBER COMPENDIUM
- Qrpradio.co.uk
- The KnightsQRSS Blogspot
- The Martello Tower Group - G0PKT
- The WEAKSIGNALS pages of Alberto I2PHD
- Radio, Electronics and Computing Projects by Hans Summers
- AC4M - Digital Radio Site
- DD1US home page - RadioAstronomia
- DL1GKK Krawczyk home page
- I6IBE - Sito di Ivo Brugnera
- IK1WJQ - Pagina di Emilio Moretti
- IW0HK - Sito di Andrea Borgnino
- M0KGK - Progetti e SDR
- PA0TAB website
- QSO 365 - An amateur radio blog by G6NHU
- S53MV Matjaz
- W8WWV
- YO3DAC - VA3IUL Homepage
- AIR Radiorama
- AirSpy
- Athens Meteo
- DCF77
- Digital Radio Mondiale - DRM
- Radar Graves
- HFCC - International Broadcasting Delivery, global databases of international shortwave broadcasting
- Radio Waves below 22 kHz
- RTL-SDR
- SAQ - The Alexander Association Grimeton
- Signal Identification Guide
- Shortwave Radiogram
- WebSDR - Software-Defined Radio receiver connected to the internet
- Worldwide marine radiofacsimile broadcast schedules
Ricetrasmettitori
Riviste di elettronica
- CQ Elettronica
- Introni.it - Vecchie riviste
- Nuova Elettronica - Elenco completo di tutti i fascicoli della rivista
Schemi elettrici e manuali
- Radiomanual.eu - Manuali e schemi elettrici ricevitori e trasmettitori
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