. QST . communication. Tlie Leagueurges tlie Commission to permit amateurs to take part inthis investigation. Improremenl in Techniques A reduction in [jermissible frei|uency shift will allow theuse of receivers with narrower bandwidth, resulting in animprovement in signal-to-noise ratio. It will be possible toshariien intermediate-frequency filters and amplifiers. Itis also expected that a reduction in frequency shift willlessen the effects of selective fading, since this problem iseased when mark and space signals are brought closer to-gether. A smaller freciuency shift is also more easily o
. QST . communication. Tlie Leagueurges tlie Commission to permit amateurs to take part inthis investigation. Improremenl in Techniques A reduction in [jermissible frei|uency shift will allow theuse of receivers with narrower bandwidth, resulting in animprovement in signal-to-noise ratio. It will be possible toshariien intermediate-frequency filters and amplifiers. Itis also expected that a reduction in frequency shift willlessen the effects of selective fading, since this problem iseased when mark and space signals are brought closer to-gether. A smaller freciuency shift is also more easily obtain-able when using crystal control, compared to the presentdifficulty of achieving direct 850-cycle shifts with Reduction in Interference Although this is a matter of lesser importance, it should bementioned (if only to point out that potential interference(Continued on page ISO) 128 AT LAST A COMPLETE LINE OF QUALITY TRANSFORMERS FOREVERY TRANSISTOR APPLICATION AT A PRACTICAL PRICE!. 95 singly, each , Wound on Nylon Bob-Mylar Outer Wrap « Color Coded Lead Ha xpor ,.,>rntlnK with transistorcircuits? And have yUbeen forced to makedowith compromise trans-formers or improvisedunits? And have you hadto pav from $f>.0O to$ for them? line bnriEs you a epia ntati rlely fnt. ell ;EfRc xper entlythe v4t-iiKtied to needs of niiniaturizationand enKineered to pro-vide more power handlinprcapacity and improvedfrequency response withminimum distortion. Allare nickel-steel lamina-tions except asteriskwhich are silicon n<?t welEht 1 <»oz. average shlppinc wt.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
