Onde ràdio
Le onde ràdio o radioonde, in fìxega, łe xe radiasion ełetromagnèteghe, che łe fa parte del spetro ełetromagnètego, inte ła banda de frecuensa conprendesta intrà 0 e 300 GHz, o sia co longhesa d'onda major de 1 mm.
Bande
Ła gama de łe onde ràdio ła xe de consension sudividesta inte łe seventi bande:a nelle seguenti bande:
| Banda | Frecuensa | Longhesa d'onda | Doparà prinsipalmente |
|---|---|---|---|
| < 3 Hz | > 100000 km | ||
| ELF (Extremely low frequency) |
3–30 Hz | 100.000 km – 10.000 km | Comunicasion ràdio co i sotomarini, ispesion tubasion, stùdio del canpo magnètego terestre |
| SLF (Super low frequency) |
30–300 Hz | 10.000 km – 1.000 km | Comunicasion co i sotomarini, par ex. ła ràdio rusa ZEVS |
| ULF (Ultra low frequency) |
300–3000 Hz | 1.000 km – 100 km |
Doparae par comunicasion in minjiera |
| VLF (Very low frequency) |
3–30 kHz | 100 km – 10 km | Marina, comunicasion co somerxìbiłi in emersion |
| LF (Low frequency) |
30–300 kHz | 10 km – 1 km | Trasmision Radio intercontinentałi in AM,
trasmision del segnałe de tenpo stàndar par i rełoji radiocontrołai |
| MF (Medium frequency) |
300–3000 kHz | 1 km – 100 m | Trasmision ràdio in AM |
| HF (High frequency) |
3–30 MHz | 100 m – 10 m (Onde curte) |
Radioamadori, Banda sitadina, trasmision intercontinentałi in còdaxe Morse |
| VHF (Very high frequency) |
30–300 MHz | 10 m – 1 m | Radio comersali in FM, Aviasion, Marina, Forse de l'ordene, Tełevixion, Radioamadori, Radiofari |
| UHF (Ultra high frequency) |
300–3000 MHz | 1 m – 100 mm | Radio PMR, Tełevixion, Tełèfono sełułare, WLAN |
| SHF (Super high frequency) |
3–30 GHz | 100 mm – 10 mm | Radar, Satelliti, WLAN |
| EHF (Extremely high frequency) |
30–300 GHz | 10 mm – 1 mm | Trasmision satełitari e radioamatoriałi |
| THF (Tremendously high frequency) |
300–3000 GHz | 1 mm - 100 micrometro | Trasmision satełitari (onde submiłimètreghe o banda submiłimètrega 300 GHz 3 THz) e radioamatoriałi |
Altri projeti
Wikimedia Commons el detien imàjini o altri file so Onde ràdio
Linganbi foresti
- (EN) radio wave / Hertzian waveEnçiclopedia Britannica, Encyclopædia Britannica, Inc.
| Controło de autorità | LCCN (EN) sh85110472 · GND (DE) 4176841-3 · NDL (EN, JA) 00561394 |
|---|
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