Judge — October 21, 1922 — page 33: what you’re looking at

Machine-transcribed from the original scan — historical spelling and the odd misread are preserved.

a. { ; F side, } operators } San Diego, Cal. Diransmission and interference will have Fito be solved with reference to this type. Thus, if in a certain locality several sta- ms can be heard clearly with the stand- ard receiver without interference, condi- tions in that locality must be regarded as sfactory even though bad interference jsexperienced with both poorer and better types. Unless some such arrangement is F agreed upon all efforts to organize and de- ) velop radio broadcasting are hopeless. The same thing occurred in wireless aphy. In the early days operators complained bitterly of interference be- tween stations working on wave lengths hundreds of meters apart. ‘To- are so many stations operating that mes- sages only a few meters apart must be } differentiated. In other words, as radio broadcasting must become more re- r This does not mean more expensive, but more skillfully de- signed and more carefully adapted to the service they must perform. Answers to Inquiries Variation in Range—R. A. S., Phila- delphia, Pa. Dr. A. N. Goldsmith re- cently stated that there is not a broad- casting station in America that can be heard satisfactorily at all times for dis- tances of over fifteen miles; but on the other hand, there are few that may not be heard on occasion over 1,000 or even 2,000 miles away. It all depends on atmospheric conditions. Consider the ether like a stream of water, which at times may be perfectly clear and trans- parent; at other times, mud spots and clear elsewhere and at others, almost perfectly opaque inevery directio Cat in a Broadcasting Station—B. S. Bordentown, N. J. The story is true. A cat did get into WJZ last spring, and becoming frightened by the attempts of those present to chase it out, rushed ) around the studio howling at the top of its voice. Jhe switch was opened by the announcer, but not until quite a little of the cat’s artistic efforts got out. Armstrong Super-regencrative Receiver P. B., Birmingham, Ala. A deserip- tion of the Armstrong super-regencrative receiver was published in Wireless Age, > July, 19 Radio Frequency Amplifier—W. B., A radio frequency am- plifier, said to be suitable for use with both regenerative and non-regenerative receivers, is made by the American Radio and Research Corporation, Medford Hill- Mass. Send for their bulletin R. B Storage Batteries—D. A. S., Bangor, An undoubted advantage of the 2-volt B storage battery over the ordinary dry-cell type is that it can be recharged whenever necessary. Many claim they give somewhat better results, causing less noise; but a good dry-cell B battery is entirely satisfactory. tr: A Radio Receiver—A correspondent “Our radio receiver was the ription for my mother’s writes us: doctor's pre: health, tainment as she cannot go outside. has proved a great suc She enjc ally the church ser ag she has not been able to go to church for many It is her only source of enter- It espe ay there | in some | W. 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