am Re ymaa Project 22,3 - $-Unit Monitoring - C. E. Ingersoll £E, C, Wootvard The technique used for monitoring the S-unit consieted of telemetering signals from signal sources in the immeiiate neighborhood of the (ince) device by high frequency radio’requency methois to a receiving an recording station located on Parry. The signale were then recorde! on oscillographs. fhe signal sources vere the load rire pulse of the X-unit end the output of « fluer - photomultiplier *etector near ‘he S-unit wh’ch measured both the” S-anit output end the -amma rays from the ruclear reac’ icon. The cecillograph displays consisted of s raster scope tisplay conteining all sigpale ard « linear sveep displey om s 517 cecillograph which showed greater tetail of the load ring pulse signal ar! the S-unit sirnal. soit poles Yield of first S-unit ‘i Time ‘rom beginning of X-unit loet ring pulse ‘to beginning of secon? Sumit pulse = Tield of second S-units = Tine from beginning of X-unit lout ring pulse to berinning of third Suuntt pulse = Yield of third S-unit Time “rom becinning of X-unit load ring pulse to beginning of game pulse brenkawev *' ye Bessy AY&ILASLE COPY om = ee Time “rom beginning of X-unit loed ring pulse to beginning of first ar?) The results of the measurement are as follows:

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