Evening Star Newspaper, January 11, 1925, Page 30

THE SUNDAY SIAR, Radio Industry In Amazing Gains In Only 3 Years By the Aseociated Press. NEW YORK, January 10.—Wall street’s keen Interest In radio stocks, of which more than 20 list- ed and unlisted fssues have been added to loeal security markets in the last year, has emphasized WASLUNGIUN, D. C., JANUARY ALDA AND FLETA TO SING FOR RADIO Victor Company to Place Stars on WEAF, New York, 7:20 to Program of Second Concert, el e January 15. ; Dinner concert by Scalzo’s Orchestra, KDKA, Pittsburgh, 6:15 to 7:45 o'clock. 11, 1925—PART 1. SHURE COMPOSITIONS ON WEAF PROGRAM Maurice Garabrant to Play Ex- cerpts From Lyric Washington at Skinner Studio. “Mirror SYMPHONY ORCHESTRA WILL BE PLACED ON AIR WOC Will Formally Open Powerful Station Tomor- RADIO’S BEST OFFERINGS TONIGHT. Musical and His FINDS RADIO FIELD STRENGTH LACKING Increase of Broadcasting Stations Cited by Depart- i Long Range Radio Entertainnfl,xent rogram by “Roxic Gang” from Capitol Theater, New York City, WCAP, Washington, and SUNDAY, JANUARY 11, 1925. The Programs of the Following Distant Stations Are Scheduled for Eastern Stendard Time More row Evening. DAVENPORT, Iowa, The formal opening of the powertul radio of WOC, owned by the Reflecting Pool,” and “Potomac Park Boat Song,” two ox- cerpts from “Lyric Washington,” the plano uits of R. Deane Shure, direc- January 10— more 9 TO 10 A.M. 9:00—Chlldren’s hour; stories; musical program . 10 TO 11 AM. Moters. Milea New York 453 204 broadcasting station Wiz Given an unprecedented indorse- Palmer School ment of Commerce. By CARL H. BUTMAN With 538 broadcasting stations, 16,000 amateurs, 590 commercial and 2,690 ship stations almost constantly on the air, the Department of Com- merce field representatives point out that the need for field strength meas- uring apparatus and wave meters is essential if they are to keep stations| on their proper wave lengths and see that they are not using excessive power. Most of the inspectors now have meters so that they can measure the transmitting waves of all stations, correcting them when they are off thelr wave lengths, but none of the fleld workers who police the air has equipment for measuring fleld| 10:30—Services from Arch Btreet M. E. Church ... WFI —~Holy Trinity Church services 11:00—8ervices from the Cathedral Church of &t. Paul -Westminster Presbyterian Church servic Sermon by W. R 12:00-Church of the Covenant services Central Church services: m 12:45—(oncert by Balaban & Katz Ch 10:00—Radio_chapel services from the Omare Gospel Tabernacle of the Chriath 3 Taberna stian and Missionary Sacred chimes concer WOAW Omaha WO Phiiadeipni : Fhliade phia Sunday school conducted by editorial staff of Sun- o day school publications of the Methodist Book Church servicrs. . : Se TN (Otneiaky Emmangel Raptist’ Chorch se rvice: CWEES Kehenettaay crevaens s WIP Philadelphia 11 A.M. TO 12 NOON. WCCO Minneupolis wiz ew York Wiz Spnmhela KDKA Pittsburgh FHSS Touavin .. WEMO Ber. Sp., Mch. : Weto MMioacupelis French .... ...WEMO Ber. Sp.,, Mch. 12 NOON TO 1 P.M. Grace Methodist Episcopal Church services South Congregational Church services; music; Sizch Presbrierian Church services . 5 Hrondway Buptist Church services; organ and e Lightiouse Choir: Socal and inetramentul ‘soios. WLW Cincindat T S oetay oat Mefuodist Ghacen ors KT Tiox spr. ar First Presbyerian Church services vp i r i Atlaot Uncle Walt reads the funnies to the chiidren Chicago Chicago KTHS Hot Sps., Ark. the fast growth of the Industry Wwhich has developed in three years from about 12 manufacturers in the United States to more than 3,000. In addition, about 335 firms do a large export business of radios and accessories. Sales of radio sets in 1920 were less than $2,000,000. Last year sales reached $400,000,000. More than 300,000 persons are now employed in the industry, while retall distributers of sets and accessories exc 25,000, i distances up to 400 miles to indicate that all three radiating receivers could be heard over that distance on a sensitive receiving set. Many per- sons reported hearing only the first two sets in Cleveland. That may be because the Akron set was weaker than these, or because {t sounded dif ferent and may not have been identi- ment by the radio fans of the coun- try for the first of the serfes of con- certs by world famous artists, the Vietor Talking Machine Co. today announced it had completed plans for the second concert January 15, which will feature Mme. Frances Alda and Miguel Fleta. These ar- tiats have acquired fame on both the opera and concert stage and their programs will include music of the masters in which they have appeared at their best during their distinguish- ed careers, ‘The American Telephone and Tele- graph Cs has recelved 21,000 mes- sages from the radio fans commend- ing the Initlal “Victor radio presen- tation” and urging a continuance of the classic recitals. Thousands of additional letters are pouring into the offices of the Victor company and the homes of the artists. The messages have been received from nearly every State in the Unlon Concert by Hotel Waldori- Astoria Orchestra, WJZ, New York, and WGY, Schenectady, 8:45 to 10 o'clock. Musical program _ irom jrooklyn Mark Strand Thea- ter, WNYC, New York, 9 to 11 ‘o'clock. Organ recital from Colum- bia University, New York City, WCAP, Washington, and WEAF, New York, 9:15 to 10:30 o'clock. Musical program by Harry Richman and_his entertainers, WHN, New York, 11:30 to 12 o'clock. tor of music of the Mount Vernon Place Methodist Episcopal Church, South, which have been arranged for organ by Mr. Shure, will be broadcast to- night from stations W AP, WEAF and - WJAR by Maurice Garabrant organist of the Skinner Organ Com- pany. The piano sufte, descriptive EBcenes around the Natjon: 8 has been heard on several oce from the local station, but organ arrangements have broadeast hera before. They have been played with grow- fllk‘_fquU!‘H()', however, from radio :tn(lon;m varfous parts of the coun- ry, and have been well receive . the radio audience sy the tw not been of Chiropractic, will Monday evening, take place broadcasting of the program by the Tri-¢ Orchestra at 8 o'clock, This famous anization pieces is conduct Ludwlg and dev with of Chicago under his d 1 vears musical organizat For the occasion, t include Franz Wax of Chicago. who W Ler of cello L 3 with the broadcast progran by the orchestra, WOC has arranged fef solos by Miss Jeanetto Brewbaker, soprano, and Mr. Robert Lynch, bar tone 1:00Sermon fram studio 1:30—First Metho L Armund Ve First Prest Augustans fled. As to the Intensity of the squeals from these three sets—in the city of Cleveland, over an area of some 50 square miles, where there are thou- sands of radlo listeners, the two Cleve- land sets were heard with great in- tensity. Certainly they were loud enough to have interfered with re- ception from distant points any place In the city. The West Side set was loud enough to have interfered with even local reception at distances as great as 13 miles. Indeed, listeners on the East Slde of the city rgported they would have thought the West Side “squealer” next door had they not known the location. ‘The Akron squealer was heard only faintly in Cleveland, and the Cleve- land squealers only faintly in Akron. In either case no serious interference would have been experienced from them. Although heard at great distances, the sets probably would not have caused and from several polnts in Canada, some of them from men and women, who, pioneers themselves, are in isolated places. There also is the usual great number of messages from those physically afficted, who, If it had not been for the radio concert, never would have heard McCormack and Borl or any of the other great |5 =A%/ . ol L singers and musicians who are to| Use 2 wixe ::‘»‘1.‘-?%[;"0 t0:159: feck, appear in future recitals sponsored |eXclusive of the lead-in. by Vietor. - strength. This apparatus is used to ascertain the intensity’ of signals of | a transmitting station at erent | distances. Tt measures the strength of | the received signal, from which the power of the transmiter may be ap- proximated. With such a plece of apparatus on a truck or fuspectors would listen measure the average strength signal of a broadcasting station at al| s distance of 1 mile y miles. ~This would whethe 8 TO 3 P.M, *Sunday hymn sin, N. Y. Federation Churehe 2:30—Radio DBible clas: community chorus e ~Interdenominational services by the Greater New 3 TO 4 P.M. ndeavor program Los Angeles Tos Angeles S New York JIIIKGW Fortl'd, Ores. Deaver, Colo. use 100 feet of wire, or does it mean that 1 should use a 100-foot wire on the roof? 1f I use only 100 feet of wire in all 1 would only have about 5 feet of wire up on the roof. Please give me the right information on this.—ALAN SEXTON. LISTEN IN Announcing the A&P GYPSY STRING ENSEMBLE You've heard of this unique organizat WDAR Philadelphia WWJ Detroit LICENSES ARE PROCURED BY FOUR NEW STATIONS KFUJ. WOCL, WORD and KTHS Are Recent Additions—WNAC Goes to Class B. new broadcasting stations were licensed last week by the De- partment of Commerce and WNAC in New York determine R busaf i . ¥ 3:00--Queens County Christ - usand 3 WHX New Yor e 3:15-8t. Mary Magdalene B Lopke L glven B0 WOAW Omaha B People’s Symphony Orchestra from St Usex Only Dependnble Equipment. Theater % Wi " 2| 330w practicat Religion.? by oy, Hidscy ‘Fopdich 3 = dependable equipment of | §35 “priaeiit] Keigin,l by Rev. Hapey Foudick W this type known is that developed by the | 3:45—Men's confermice in the Bodfors mromt ¥ American Telegraph and Te! hone Co. ( A., Brooklyn: address; answers to q With using such apparatus niounted RADIO QUERIES ering BZ Sprin ] New Radio Iditor 1 enjoy your column very much. One . of your readers defends radiating re- generative receivers on the ground that non-radiating five or six tube sets are too expensive. During 1924 a| g, two-tube set was devised, one tube mple DEsbalyiman @ Sotimay of which retains the advantages of chat might be termed Interference at | regeneration, while the other tube . distances greater than 35 miles. [ brevents or blacks radiation and at| e emss m oo Sirom s A But consider how many receivers|ehe same time glves the benefit of | (1. power and owners, follow: capable of rediation there are in a| (1) neutralization, (2) tuned radio| ggwJy, Hoppert Plumbing & Heating city like Cleveland, where almost any | trequency, and (3) reflexed audiofre- | o Breckenridge, Minn.: 242 meters one of them may interfere with recep- | quency amplification. This so-callod | 50 " wates 4 i * tion by other sets tuned to the same | Roberts set is inexpensive compared | " wocL, Hotel \ Jamestown wave all over the city. with five or six tube or even three tube | y o oo ¥ . e uat Ehaliibe done about interfer-|pets. Its selectivity In exceeded only by shos i g g erence from oscillating receivers, is |the super-hetrodyne and it gives loud | =y >eople’s Pulpi anoclEtion not known, but the above tests are |speaker volume on the more powertul | 5 Vtors: Fooples Pulpit Assoclation, another addition to the accumulated | out-of-town stations. The two tubes| KIS, Now Arlington Hotel Com- evidence which Indicates that such|de the work of four or five nis | o s e interference is the most serious prob- | note is intended as a constructive | Loe™ ““‘: BRcinsss e T eers lem of radio reception today. criticism of the radiating receiver.|” e H ¥ | Amatenr R 3 My purpose is to throw out a hint mateur Regulations Modified. ¥ purp P Ceranen SA o 7 . |or suggestion that the time is now i 3 th yn::::u:ufl';,,;:w:fl,,f‘f,a‘“:‘_::‘r“;‘:d here when no excuse exists for a ra- | broadeasting stations. Pennsylvania slightly broader channels in the low- | 41ating receiver within city limits. 'r;:?r‘“* “::;103:1 with 37 and Texas er wave lengths in 1925, although they A. J. BAN 3 lose the band between 105 and 110 me-| oo poe 0~ R ters under revised amateur regula 4 tions Just issued by the Department| The station Mr. L E. Murray refers of Commerce. Radio phone, spark and in the Radio Query columnin ICW transmitters may be used only Star, was WFAA, Dallas, polals within the band from 170 to 150 me- [ TeX. on & wave length of 476 meters. - ienectady ters, but CW transmission may be|l bad perfect reception on the loud o carried on within the following wave | Speaker of my five-tube set, which “hiladelphia channels: 4.69 to 5.35, 18.7 to 214, 37.5 | Was due to the local stations heing HIE b to 42.8, 15 to 85.7 and 130, to 200 meters, | silent, for they broadcast on almost The department urges the aban-|the same wave band as WFAA donment of the spark transmitter as HAROLD E. THOMAS. soou as possible and the adoption of sets causing less interference. No new restrictions will be imposed rela- e tive to the character of the power | Watch Tow(“r Station” hd-'nfnnd off supply, the department regulations|at 103 astern standard time, State, provided the emitted wave is|Thursday night »—DON G. HARMER, sharply defined and the power does| WBBR, Rossville, N. Y. uses such Orchestra program, same as W7 : Behenectady not exceed 500 watts, set by law. | Emmanaus Evangelical services; chois Clacinnati : Amateurs using the band between S = Fisons e S e 150 and 200 meters, which includes A e e, Gw, Portl'd. Oreg. all spark, phone and ICW transmit- P el oy B S tors, are required to remain silent Bible every night between 8§ and 10:30 standard time and on Sundays during church service broadcasting. Stations sermon WEMC Ber. Sp., Meh .o |using wave lengths below 85 mete: Orema recttal from 'Coiumbis University .. CWEAR New Poar and having & pure continuous wave 9:30—De luxe program by New Arlington Hotel OrchestraKTHS Hot Sps.. Ark. 5|or where full wave rectification is Art Hickman's Concert Orchestra -KHJ Lo Augeles employed are not required to remain Musical program ol : S New Yorl Augustana Lutheran Church services: organ; solos: - silent, except when interferring with quimteca e -.......KOA Denver, "Colo. other radio services 9 47 Concirt by Westorn and Southern Orchesira: vocal Speclal amateur licenses are abol- % ished, but owners of stations so licensed may continue to use their 22" calls under new regular amateur licenses. No more special “Z" licenses will be issued. as the department feels there is no longer need for them. Amateur stations are not permitted to communicate with commercial sta- tions unless so authorized or in emergencies. Mingeapolis 4 All supervisors of radio have been WO s o directed to enforce the new regula- = e R tions at once. 11 P.M. TO 12 MIDNIGHT. 11:00— Special musical program by juvenile entertaiers: de luxe program L KA canity Club revue SRR 11:30—Concert by Rudy Seiger's Fairmont Hotel Orchestra KPO Connle’s Ion revue: Smith's Orchesira . WHN 12 MIDNIGHT TO 1 AM. & Gloria Trumpeters: chimes trucks, which would also carry portable receiving eets, with loop antennas, de- partmental inspectors could greatly in- crease the efficiency of their work and cover more territory It is understood that the department hopes to secure authority to purchase at least four light trucks with full field radio equipment during the coming 0 as to speed up its work on dete traffic laws, tted radio cb Later o e radio : ee...WEAF New York 470 5 P, fh;;?rrv;:p:pllmpl] Chureh vesper service o o h L ier. WIZ New York Sunday talk, ““The Arf of Living, " by Edward Ot WIP Dhiladelphia Organ_recital by Dr. Oharies Heinroth ... -..KDKA Pitteburgh Jean’ Fowler Co__ program ... .o oo.r.. JWNAD Toston _ Sacred chimes contert program . W Cineinnats 4:30—Addresses from Central Branch of the Y. Mv\(‘ Philadelphia Special Atudio CORCETE .. oxosr.os.nrosr sen ot s ORAC 4:45--Vesper services from Shadyside Presbyterian Church KDKA 5 TO 6 P.M. 5:00—Orgen recital by Dr. Frank Rogers . Roseland Dance Orches Oleott v Coneert from Rialto. Theater . nday afternoon studio concert Vesper song mervices ......... 2 Classical recital from Relierive Hotel »:10—House of Hope Presbytertan Church services 6 TO 7 P.M. €:00—st Montreal Pittsburgh WGY, WHY New WHAP Fort Worth KYW Chicago WHAS Toutsville WDAF Kansas City WCCO Minueapolis offenders of aerial stations in their al and locate interference 1oped a truck for each of the i pervisory districts can be secy The need for radio-equipped truc automoblies by the radio inspectors \dicated in a recent report of adio field work in San Francisco by Supervisor Dillon PRt The location of outside interference. sometimes called “faults” Mr. Dillon points out, has been due almost entire- < T Tacs 5 meters, 1 artists musicians of rare ability, which have been delight 6:00~Twilight musical progran - Sacred organ recial by Clarence K. Bawden, Mnicipal concert from auditortum Gordon Street Tptist Churen Choi: Dinoar concers by Sealzo's Orchesira @:30_Concere by KGO Littie Symphons Orchestra 8:45Park Street Congregational Church services 770 8 P.M. ¥ to the fact that the inspectors. were ‘athan Abas' Hotel Pennsylrania Orchestra ...... WJ7 St e Firat Presbeteriag Church Bible clase; songs WEAA Daflas 1 0 Ixngis Usnd gy Copley Tiasa Hotel Orcheatr -« oo .- whz' Shringse on an automobile and trace the inter: Bihic atuds period by Mra. Carl Gray Woaw omanad ference from point to point until maxi- Musionl - prokram o LIIWREG Lansing im signals were heard in the close Musical program by ““Hoxis aud his gang” IWEAF New Tork g e T80 Services from Arch Street Dresbyteridn Church: ppectors McGowan and Lovejoy : il Cathedral Church se "“R"r worked until midnight seeking the €3: organ muslc WeT n earth as a defective ‘terlan "\“f‘); ";‘:)n(“.y 2 KDKA ght fixture. The defective light caused TP throughout an area of about § square | by Angelo Patri WR 5 miles, as the noises were carried to| WEBH Chj various parts of the city on connecting KYW Chicage and parallel light and power lines. Some of the fans aided in tracing this tro WIY New Yo bl WEAL shiiers of Minneapolls.. WCCO Minneapolis some interference by lending their SRl autos, so that the inspectors could travel about tracing the noises Atinta Jefferson City New York Complain of “Interferenc During November the of the nine radio districts of the cou try received 3,944 complaints of inter- | ference from fans and amateurs, not including many protests over the| phone and in person, of whic no record was kept. The cases reported | covered man sources and forms of| nterference: the spark set on board a ship transmitting off its wave- length: the broadcasting station emit- 1 ting harmonics and the amateur who | transmitted code during the sfient]| periods. Practically every complaint will have to be (nvestigated by a fleld representative of the radio sec- tion of the Department of Commerce. and in many instances an inspector | i1l have to travel far afield to lm'.xl‘" i ands of Radio listeners with Now ing hundreds of tho WEBH Chicago S W00 Philsdelphia KGW Fortha: Dreg. WOB Atianta CKDKA Pltteburgh KGO Oakland Cal. .. WNAC Boston some their hauntingly beautiful melodies. we've 7 arranged to have the Gypsies broadcast through 7:00— New Fork station 7 7 Philadelphia 72 WCAP Every Monday at 9 P.M.—Starting January 12 ATLANTIC & PACIFI 7% T:45-Polut Breeze Pre % 7% $:00—Robert 0'Connor, pianist Broadcast from Ford “Character Training, Special artist program Club services from Orchestra Hail; talk 8:15—Berniard Levitow's Hotel Commodore Orchesira Cits Temple Tresbyterian Church services Second Church of Christ. Scientist Wealey Memorial Church services First “Presbycerian Church services Waldorf-Astorla Concert Orchestra wiz 7 % 7 Radio Editor: Waat station uses the slogan, “The 7 Z HE REAT 22 TEA .CO, 7 8:20 8:80. W % supervisors four-circy that was bullt for me by a friend. He told me | that it would be advisable for me to put up a 100-foot wire for best re- sults. Does this mean that 1 _should WE BUY RADIO SETS LOUD SPEAKERS AND PARTS | Open Evenings LINCOLN ‘RADIO 5 EXCHANGE 715 9th N.W. T STORAGE 1 BATTERIEG RE-CHARGED Auto. Called For and Delivered PHONE FRANKLIN 9460 n Till 8 P.M. Daily 10 to 12 Noon Sundays Old Reliable Battery Service 3 31 H Street N.W. 77 ...... WBBR rer L1l WNYC Male Quartet Rossy Commonwealth W ///r Z 7 7 SIGNAL CONDENSER New Low Loss Type The new Signal Low Loss Vari- able Condenser has combined in it features which, up to this time were found only in the high priced Laboratory Types. Phone us before 10 a.m. and we will call for, fully charge and return your Radio Battery the same evening for $1.50. Smith’s Battery and Radio Service 2119 18th St. N.W. Distributors of Exide Au- tomobile and Radio Bat- teries. Experienced automo- tive electricians and radio engineers. ) WLW Cincinnati TO 11 P.M. copal Church K s Portl’d, Oreg. Schenecta New York Dallas {10:00—0rgan recital from Fir Colburn's Concert Orche Musical program by Hampton Institute Quartet ... WGY Hampton I rtet. wame as WOY...... . WIZ Sacred rect st Merhiodiat Chureh: muslc. WFAA “Reminiscences of & Reporter.” by William Craw 4 . LWIY and remedy the trouble. Some of them, however, are probably (he carelessness of the fans in operat- | ng radiating receivers, but all cause ! more work for the small force of the | department The supervisor in Atlanta reported | 30 formal complaints, but added | came from 15 cities in his territory. The Chicago district led 756 written complain san Francisco reported 750; New York es- fimated 700; Baltimore, 500; Detroit, 312 Boston. 3 casters and the press reporting §00); New Orleans, 32, and Afl | {215 believed that, all told, about 5,000 complaines were received, phone and other protests. Te e e Mustcal chapel services {rom Be Church;_sermon; vocal program; organ ........ WOAW Omuha \ Singers: Drake Concert Ensemble. WGX ¢ New York due to| Its construction meets the re- quirementset forthby the Bureau of Standards as essential for good condenser construction. Go to your dealer and ask him to let you see a Signal Low Loss Con- denser — you will readily appre- ciate that this is the Condenser you have been looking for. SIGNAL ELECTRIC MFG. CO. MENelk 2 classical concert Lllweco Musical program: orcle 2is LW Rar Jones and his orchest: Soldered Rotor. Pigtail Connection. Adjustable Stator Plates. Ample End Spacing. Soldered Stator Plates. Adjustable Bearings. Grounded Rotor and many other features. T Z, Some Operating Wave Lengths. The radio section of the Depart- ment of Commerce is still experi- menting with wave length separation ¢ g in the broadcast band between 280 220 ich nd his entertuiners; Eddie Elkins o e i oronaaies T = 0 WHN New York and 549 meters. By placing some Midnight frolic by Miller's Cri WBAP Fort Worth 47 stations five meters apart, the officials RADIO GOSSIP AND NEWS ncluding ‘ l arate channels may be used without WHISTLER ON PROGRAM. | Los Angeles New York n Francisco New York Hotel Orchestra 72 In order that fans may tune in ex- actly to the stations co-operating in the experiments, the list of temporary allocation is given below. 1f the plan works out well, it is probable that these stations will be allocated the wave lengths listed WNAC-—Boston WREO—Lansing KFKX_Hastings WBAV—Columbus KDK undue interference. Radio has entered the New Year with one of fts biggest problems still unsolved—how to eliminate interference from radiating receiving sets Thousands of radio users do not require any special tests to inform them about the devilishness of radia- from oscillating receivers, but test. Scattered reports from about the same area, however, indicate that sensitive sets did pick up the three squealers and identified the inter- mittent note. The greatest number of letters came from a distance, from thé east coast States of New York, Massachusetts and Connecticut. Hundreds of persons—many of them hundreds of miles from Cleveland— heard the disturbance created there. It was noted that oscillations set up by the second group were louder than those from the first. Possibly three-fourths of the apparently authentic reports mentioned that fact. In spite of the volume of evidence to the contrary, the paper was still s little skeptical that a radiating receiver could produce a wave which | could be heard several hundred miles away. 1t thought that perhaps listeners all over the country had misunderstood instructions and had put their sets in’ oscillation so that the disturbance was not only confined to Cleveland, but in a lesser degree to all of the area from which re- ports were received It was for the purpose of check- ing this that the second test was made. Because the signal could be positively identified, the second test was, from a scientific viewpoint, Probably the more valuable of the two. These facts were noted about rs. Charles Geissler to Be Broad- cast by WCAP. | Radio fan ething | dlfferent in the way of whistles com- | iz through the loud speaker or head | phones tomorrow ntght. One of the| motrow. bt 1 b S o : feninres oL WC AP's program will be 2| (B0 4 common with all radio fans, f whistling soios b . 1 will be interested in the unigque tests Dozton;) recently conduoted by the Cleveland Lngland £ans| pi iy Dealer over station WTAM, as a part of the Interference survey ndertaken in co-operation with the Cleveland Radio Association. Squeals started delibsrately in Cleveland for test purposes were heard over one quarter of the American continent. They were picked up clear to the Atlantic coast, and as far Southwest as Texas. Soon after Harry A. Mount and | Deane S. Kintner of the Plain Dealer's | radio €taff had eliminated the reports | of persons who, In addition to their regular radio equipment, had used liwo stages of imagination” the authentic reports clearly established tremenduous area over which recelvers spread inter- meters meters meters meters meters meters Meters meters Balkitg “B"'—re. flaces B batser. s and dry cells. Oberates from light socket. Price 55 W BZ. will be the first acn a through station Mrs. Geissler whistl tion. Sh numbers To a Wild Ro and “The Last and WOO—lowa City and Davenport b 93 meters WMC—Memphis . £..503.9 meters W00 and WIP—Philadeiphia.. . .500.9 meters —Detroit. (1516 meters WOAW_and WHO—Omaha and Des Moines WAYC—New York ... KYW and WCEE—Chic Blgin .. 3 KSD and KFUO—8t. r broadeast from the local sta has chosen three popular progra They are: . “Annie L: Rose of Summer, LEARN WHY AMPLIONS LEAD IN SALES This is an invitation to hearthe favorite of music lovers the world over.The creation of the world’s oldest makers of loud speakers.®* The largest selling loud speaker. The Amplion!—with its su- premesensitivity, purity, clarity and volume. With itsexclusive‘‘floatingdia- phragm,”” correct acous- tic contour and long tone travel through a rubber insulated, non-resonating meters 2 meters arie” meters Louls. 549.1 meters The annual roll call of broadcast- ing statlons shows a total of 538 on the air today, compared with G27 last year at. this time, 2 gain of 11 sta- tions. During .the past month 24 old statlons quit, but 24 new ones opened, leaving the total the same as on De- cember 1. Local Radio Entertainment Sunday, January 11, 1925. An unfailing power supply for both circuits Here at last is an unfailing power supply for your radio set. Balkite Radio Power Units furnish constant u~iform voltage to both“A” and “B" circuits and give your set greater NAA—Naval Radio Station, Radio, Va. (435 Meters). the and 10:05 p.m—Weather | radiating ference. & e v | In the initial test November l;‘,' WDM—Church of the Covenant | they report, those listening in to ; IV\'TA.\I were asked to divide into two groups, according to alphabetical order of their names, and each group it will not be long before the new Cros- ley WLW G5-kilowatt broadcasting sta- tion at Harrison, Ohio, is ready for testing “on the air, as workmen and engtneers are doing everything pos- sible to complete their work at an early date. JANUARY 1925 Sormtmeg ST STEVENgON NADIO SYpstecaTE. This Directory will 10:15 a.m reports 10 a Sverygirls' Bible Class, Miss Mabel N. Thurston, teacher. 11 a.m-—Morning by Rev. Charles Wood, “The Spirit of Christ.” 8 p.m.— service vening service: Sermon by Dr. Wood, ving One's Soul Alive in the City—Destructi Excesses of the City”; music by evening choir of 100 voices. WRC—Radio Corporation of America (469 Meters). Silent WCOAP—Chesupeuke & Potemac Telephone Co. (469 Meters). 10:45 a.m.—Service from the Ninth Street Christian Church. Rev. C. R. Stauffer, pastor, will deliver the ser- mon, “Divine Contentment.” 4 pm—Service from Bethlehem rape: of the National Eptscopal Ca- thedral at Mount St. Alban. Rev. Henry Lubeck, Canon of Washing- ton, will deliver the sermon. 7:20 to 9:15 p.m.—Musical program by “Roxie and his Gang,” direct from the Capitol Theater, New York City, by courtesy of the Capitol Theater management. $:16 to 10:15 p.m.—Organ recital on 2 Skinner organ, direct from the chapel at Columbia University, New York City. fn turn was asked to put its sets , into oscillation for a three-minute l]!!l’h’)d, while the other group listened This was only within the city of Cleveland and its surburbs, however. All listeners outside that territory were asked to report what they had | neara. The second test, conducted a week | laterswas designed to check the re- | sults of the first. In this test three | radiating receivers were “planted” on [ the east side of Cleveland, one on the west side and one in Arkon. Each Was provided with a mechanical ar- rangement for causing it to squeal at regular intervals, about once a Second. Listeners both in Cleveland and.at a distance were asked to re- port on what they had heard. In 21 more than. 2,000 reports on the fwo tests, were received from all over the continent, and one even came from South America. X perusal of these letters indicates pretty clearly ‘that both tests were heard ‘and identified over an area equal to about a quarter of the United States. The first test was heard with greater volume . than the second, Where only individual oscillators Were used, and more reports from a distance were, recelved on thé first the three oscillators: No. 1. on the east side of Cleve- land, was of medium intensity, with a very regular beat, squealing a little slower than once a second and break- ing cleanly after each beat. No. 2, in Lakewood, was very loud, had a sort of “double shuffie” effect in its beats, but broke cleanly and was a little faster than one beat per second. No. 3, was weaker than the others (even to listeners equidistant from the three), was less regular in-its ac- tion, somewhat slower than the others and did not break cleanly, but rather sounded like a varietion of a continuous whistle. All three of the radiating sets were heard clearly by Isiteners in Cleve- land and within a radius of about 50 miles of the city. Again the paper re- ceived about 1,000 letters reporting on the test, but this time most of the letters came from within that 50-mile radius Less imagination was used than on the former test, for nearly every re- port was positive in its identification of the three recelvers. This may ac- count for the scarcity of letters from a distance. Not enough reports of a positive” nsture were recefved from The new transmitter panels, six in number, bear the Western Electric Company serial number 101, which indicates it is the first one of its type to be made. H. 8. Price, engineer for the designers of this powerful broad- casting station was obtained to in- stall the apparatus. He is assisted by a corps of engineers and workmen. Although the new super-power sta- tion will work almost autbmatically by touching a button, it will require the attention of a thoroughly ex- perienced operator and for that posi- tion J. E. Whitehouse has been ob- tained. He comes to the Crosley or- ganization after 10 yvears in the United States Navy as chief radio man. He has been aboard the U. S. flagship Seattle for the past eight months, prior to his resignation, De- cember 1; to join the WLW staff. Mr. Whitehouse and his famity will occupy an apartment over the trans- mitting apparatus at the Harrison, Ohio, station. Everything will be provided for the convenience of his family and as the programs from WLW will require a gréat amount, of his time, both day and night, the llving quarters will be quite & con- be revised and pub- lished on the 5th of each month. It will enable you to identify any broad- casting station in the world. For Sale on All News Stands at 10 Cents a Copy or Send $1.00 for a yearly wub- scription of twelve lswmes re- vised up to date, to Stevenson Radio Syndicate Union Bank Building 710 14th Street N.W. Washington, D. C. curved conduit,Just com- pare the tone and you'll choose the Amplion.Lit- erature and dealers'name Pirweb U on request. ‘THE AMPLION CORPORATION OF AMERICA Hxecutive Offices: Suite K, 280 Madison Ave., New Yor] Territorial Representatives: K. §. Byrd & Co., 211 N, 11th St., Philadelphia, P clarity, power and distance. The Balkite Charger keeps your “A” storage ttery battery charged. 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