| : All oscilloscopes were triggerol simultanevusly by the DC trigger device located in the primary oathote follower and connected directly to the receiving antenna. The 2 eicroseccni lelay line was aided to permit the leading edge of the waveform to be recorie, In orier to establish a iefinite time relationship between the recertion of the signal ani the ‘-iggering °° « civen tevice such as a counter or tranamitter, a time marker rip, generate! by the delay oy trigrer from me of the osellloscopes, ts fed through the 2 wicrosecond delay line ani superimpose) on th~ Saitial portion of the re- ceived waveform, PRocrors All oscilloscopes ar« calibrated against a known frequency standard for sweep linearity. The cathoie follover trireporing systen is set to trigger approx. imately Gib. above the noise level, The vertioal jeflectorsof the asecillosespes are set to receive the predi-ted fiel! strength. BOSULIS Ar Date was rec oRqed on all onelllescopes. The pre'icte!l Mell strength - the measure! fieli strengtr |a waveform vere gool ani shouli provide dats for easy analysis. ~“ Br Data vas recorie!l on al) oscilloscopes. The “eli-tei fleli strength asWEI02 os wesc: 100 coreg a ‘ 3 BR- evetoms showel evilence of being moiulat-1 by an unmown carrier, wot F &F oe >