Wellenberglochweite 338 



peak, cresL or hump of a wave. 

 -berglochwei te disLance separai- 

 ing peaks, intercresi d. -betrieb, 

 Gleich- operation of stations on 

 one wave, chain operation (from 

 key station), network operation. 

 -bundel wave packets, beam of 

 electrons and ions, -bündelung 

 beaming, directional effect of 

 waves, -dämpfungskonstante wave 

 attenuation constant, -detektor 

 cjTnoscope, wave detector, oscil- 

 lation d., coherer, -echo radio 

 (signal or wave) echo (involving 

 single-, double-or multiple-hop). 

 -feld wave field, -fläche, 

 Fresnel'sche Fresnel zone (of 

 half-period elements). 



wel lenformi g undulatory, wavy, cor- 

 rugated, rippled. 



Wel I en-front, geneigte tilted wave 

 front, L. wave head, -frontwinkel 

 .wave front angle, w. tilt. 

 -fUhrung wave guide (either di- 

 electric or conducting), -funk- 

 tion wave function. 



wellengerader Kondensator straight- 

 line wave-length condenser. 



Wel len-geschwindi gkei t wave velocity, 

 phase V. -gipfel peak, crest, or 

 hu-np of a wave, -gleichung, 

 d' Alembert'sche d' Alembertian 

 wave equation, -konstante wave 

 constant (meters per millimeter 

 of piezo-electric resonator). 

 -länge, Grenz- limiting wave- 

 length, -leitung wave-guide (for 

 dielectric or conducting waves). 

 -linie wavy line, undulatory 1., 

 sirtuous 1., rippled 1. -mechanik, 

 Geometri si erung der geometric 

 derivation of wave equation. 



wellenmechanisch wave mechanical. 



Wellenmesser (cf Frequenzmesser) 

 wave meter, Fleming's cymometer, 

 frequency meter, ondometer. 

 Schwingaudion- autodyne wave meter 

 or frequency m. Summer- buzzer 

 wave meter. 



Wel 1 en-rückstrahlung wave reflec- 

 tion (by hop to ionosphere and 

 back), -sauger smoothing choke, 

 series reactor, wave trap. 



Wender, Strom- 

 -schelter wave-band switch. 

 -schlucker(cf-sauger) wave trap 

 (of absorptive or of impedance 

 type). -Schwanz wave tail (in 

 facsi'mile). -spannung,&i 1 d- 

 video wave potential (telev. ) 

 -Spannung, Ton- audio wave po- 

 tential (telev.) -spektrum(cf 

 -abgrenzung) spectrum of electro- 

 magnetic waves, radio wave spec- 

 trum, -stirn wave face, w. front, 

 w. head, -strom pulsating cur- 

 rent, ripple c. -stromfilter 

 ripple filter, -stumpf butt end 

 of a shaft, -tal trough or valley 

 of a wave, -tel egraphi e,Draht- 

 wirea-wave telegraphy, wired- 

 radio t. -wi derstand characteris- 

 tic impedance, surge i. (dis- 

 tinguis'ned by some authors). 

 -zahl wave number, -zugfrequenz 

 group or wave- train frequency, 

 spark f. -zugkohärenzlänge co- 

 herence length of wave trains. 



wellig wavy, rippled, undulated, 

 pulsating. -,lang- long-wave, of 

 great w. -length, -(e) Gleich- 

 spannung ripple potential, pulsat- 

 ing p. 



Welligkeit ripple, rippled condi- 

 tion, humpiness (of resonance 

 curve), pulsation factor; lack of 

 linearity. Mehr- multi-wave 

 property (of a crystal). 



Wellrohr corrugated tube or tubing. 



Wel lung rippling, corrugation, un- 

 dulation. 



Welt, Aussen- external world. 



Ael t-beschrei bung cosmography. 

 -raumstrahlen cosmic rays. 



weltzeitlicher Anteil des Poten- 

 tialgefälles universal diurnal 

 vari'ation component of potential 

 gradient. 



Wendekurve turn in landing (in ZZ 

 method), U turn. 



Wendel spiral, helix, coil. 



Kehrdoppel- reversed double loop. 



Wendel system, Doppel- biplane fila- 

 ment system. 



Wendepunkt inflection point, revers- 

 ing p., cusp, turning p. 



Wender, Strom- current reverser, 



