Sender, Gemeinschaf ts- 



266 



Gerne in Schafts- chain broadcast 

 station, network s. Haupt- 

 main oscillator (in independent 

 drive system). Hilfs- auxiliary 

 transmitter, local oscillator 

 (in heterodyne apparatus). 

 Kontroll- monitor transmitter, 

 check-up t.; service test oscil- 

 lator. Leitfunk-, Leitstrahl- 

 radio beacon, beam station, r. 

 range. Marl^ierungs- marker 

 beacon, marker. Maschinen- 

 alternator transmitter. Mutter- 

 key station, master s. (in chain 

 broadcasting). Prüf- service 

 test oscillator. Quarz- (piezo- 

 electric) crystal or quartz 

 stabilized transmitter. Richtungs- 

 beam station, beacon s. Schwarz- 

 unlicensed transmitter, illicit 

 t., "underground" t. Sperrkipp- 

 blocking oscillator. Steuer- 

 master oscillator, drive o. 

 (working on main transmitter in 

 independent drive). Stimmgabel- 

 tuning-fork oscillator, vibrating- 

 reed transmitter. Stör- inter- 

 fering station, jamming s. ; 

 shadowing signal, spurious ir- 

 regular shading signal (telev.). 

 Telegraphie-,tonmodul ierter 

 AP or tone-modulated telegraphic 

 signal transmitter. Telephonie-, 

 sprachgeschal teter voice-modulat- 

 ed telephony (signal) transmitter, 

 v.-m. radiophone. Tochter- re- 

 peater or affiliated station (re- 

 lated to key station, in chain 

 broadcasting and in b. networks). 

 Ton- modulated c.w. transmitter; 

 audio or aural transmitter (of 

 sound part of a telev. program), 

 Tonfunken- singing or musical 

 (auenched) spark transmitter (tele- 

 graph ), Zeichen- signal trans- 

 mitter, s. station. Zwischen- 

 re-transmitter, repeater station. 

 Sen der- ab stand interference guard 

 band, tolerance frequency. 

 -durchmodul ierung,hohe operation 

 of transmitter station at a high 

 modulation percent age^ 

 sendereigner Ton_pote or pitch 



Sicherheitskoeffizient 



peculiar to a beacon station, code 

 note; tuning n. 

 Senderöhre, frequenzgesteuerte fre- 

 quency-stabilized trajismitter tube. 

 Sendung transmission or emission (of 

 radio waves or signals), program. 



sengen singe, scorch, parch, flame. 



Senke crevass, dip (of resonance 

 curve), trough, valley, depres- 

 sion; negative source. 



senken depress, lower, sag, slope, 

 droop (of curve), de-accentuate 

 (a band). 



Senkkörper sinker, bob. 



Senkrechte vertical, normal, per- 

 pendicular, plumb (line), -fällen 

 let fall a perpendicular, -errichten 

 erect a perpendicular. Mittel- 

 median perpendicular. 



senkrechte Beleuchtung scaffold 

 lighting, overhead 1., top 1. 



Senkspindel specific gravity spindle, 

 hydrometer. 



Senk-rechtstel lung vertical position, 

 perpendicular p., plumb line p. 

 -schraube countersunk screw. 



Senkungswinkel depression angle. 



Senkung sag, droop, depression, dip. 



Sensitometer sensitometer (for com- 

 paring and grading film), densitome- 

 ter. 



Separatabdruck reprint, separate im- 

 pression, special i. 



SequenziHusion sequence illusion. 



Serien-apparat series camera. 

 -entwicklung series expansion 

 (math. ) 



ser ienmassige Herstellung quantity 

 production, large-scale manufac- 

 ture. 



Serienresonanzkreis series-resonance 

 circuit, acceptor c. 



si eher, feuchtigke Its- damp-proof, 

 Boisture-p. hochspannungs- 

 safe against high-voltage breakdown, 

 possessing high puncture strength, 

 proof against high-potential shock. 



Sicherheit,Pfeifpunkt- singing mar- 

 gin, whistling m. , stability m. 

 (of radio tube). Stand- stability 

 or steadiness (to shock or vibra- 

 tion). 



Sicherheits-koeffizient safety factor. 



