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MW, LW, KW....Sendewellen (telecom)

English translation: AM, LW, SW...ground waves

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
German term or phrase:MW, LW, KW....Sendewellen
English translation:AM, LW, SW...ground waves
Entered by: Marcus Malabad
Options:
- Contribute to this entry
- Include in personal glossary

09:59 Feb 14, 2001
German to English translations [PRO]
Tech/Engineering
German term or phrase: MW, LW, KW....Sendewellen (telecom)
Die Wellenbereiche MW, LW und KW bieten großen Fernempfang, weil sich die Sendewellen sowohl als Bodenwellen entlang der Erdoberfläche als auch als Raumwellen – reflektiert von der Ionosphäre – ausbreiten.

Me:
The MW, LW and KW(?) frequency bands offer great long-distance reception because transmission waves(?) and direct waves propagate along the earth's surface like ionospheric waves - that is, they are reflected from the ionosphere.
Marcus Malabad
Canada
Local time: 17:16
AM, Longwave, Shortwave
Explanation:
MW - Mittelwelle - AM in US parlance
- hectometric waves acc. to Ferretti, waves in the 1000-100 m, 300-3000 MHz range; also called medium waves]
KW - Kurzwelle - shortwave - or decametric waves [Ferretti]
LW - Langwelle - longwave - kilometric waves [Ferretti]

When talking about radio broadcasts, AM, shortwave, longwave would definitely be the terms to use. Else, Ferretti's terms look to be the more scientific ones.

HTH.
Selected response from:

Ulrike Lieder
Local time: 08:16
Grading comment
4 KudoZ points were awarded for this answer

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Summary of answers provided
nagrammatical commentKen Cox
naground wavesJack Huff
naMW, LW, SWUschi (Ursula) Walke
naAM, Longwave, ShortwaveUlrike Lieder
namedium wave, long wave, short wave...transmission wave
Andy Lemminger


  

Answers


14 mins
medium wave, long wave, short wave...transmission wave


Explanation:
MW is Mittelwelle (medium wave), LW Langwelle (long wave) and KW Kurzwelle (short wave). Transmission wave is correct.


    own experience
Andy Lemminger
Canada
Local time: 09:16
Native speaker of: German
PRO pts in pair: 1127
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17 mins
AM, Longwave, Shortwave


Explanation:
MW - Mittelwelle - AM in US parlance
- hectometric waves acc. to Ferretti, waves in the 1000-100 m, 300-3000 MHz range; also called medium waves]
KW - Kurzwelle - shortwave - or decametric waves [Ferretti]
LW - Langwelle - longwave - kilometric waves [Ferretti]

When talking about radio broadcasts, AM, shortwave, longwave would definitely be the terms to use. Else, Ferretti's terms look to be the more scientific ones.

HTH.


    Ferretti, WB Elektronik, Datentechnik und Telekommunikation
Ulrike Lieder
Local time: 08:16
Native speaker of: German
PRO pts in pair: 3525

Peer comments on this answer (and responses from the answerer)
Silvaine Zimmermann
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1 hr
MW, LW, SW


Explanation:
I can't find an abbreviation for Kurzwelle nor for Short Wave, but

UKW (Ultrakurzwelle) = VSW (Very short wave)


    Routledge
Uschi (Ursula) Walke
Local time: 02:16
Native speaker of: Native in GermanGerman
PRO pts in pair: 492
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1 hr
ground waves


Explanation:
air waves vs. grounds waves

electrical terms


    self
Jack Huff
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2 hrs
grammatical comment


Explanation:
Hi -- this is a tip on German grammar, not on what you asked about, but it looks like you could use a bit of advice abouot 'sowohl als ...als...'.

What this sentence mean is that the transmitted waves propagate as both groundwaves (which hug the earth and thus travel in a curved path) and as air waves (which travel in straight lines), and the latter are reflected by the ionosphere and thus come back to earth (usually quite a bit further away from the transmitter than the ground waves, which are attenuated by losses in the earth). This latter effect is the main reason why transmissions in these bands can propagate so far.

Ken Cox
Local time: 17:16
Native speaker of: Native in EnglishEnglish
PRO pts in pair: 5905

Peer comments on this answer (and responses from the answerer)
Silvaine Zimmermann
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