Radio daily (Feb-Mar 1937)

8 RADIO DAILY Friday, March 19, 1937 ft EQUIPMENT New Equipment at WTMV St. Louis— Installation of WTMV's new Western Electric 23-A speech input console in their main control room completes the task of entirely refurbishing equipment in the station. Three months ago the installation of a new RCA 250-watt transmitter permitted the station to take advantage of an FCC power boost grant. Now, with the improved speech input, WTMV's listeners are assured of the utmost in quality, according to Alfred Lee Bergtold, chief engineer of the East St. Louis station. In a co-operative deal with the Majestic Theater, big Publix-Great States house in East St. Louis, WTMV also has completely overhauled and repaired the big Wurlitzer organ in the theater. Maryland Short Wave Tower Baltimore — Contract for a 170-foot tower for short wave fire control system recently was let by the Maryland State Forestry Commission. Fabrication of the tower is being carried on by the Century Wood Preserving Corp., Charleston, S. C, and the structure will be erected by CCC personnel. of the basic units required for the installation of a radio receptor sound system, with latest price lists being supplied to qualified dealers on request. Du Mont Oscillographer Upper Montclair, N. J. — The Du Mont Oscillographer, pamphlet, is to be published monthly by the Allen B. Du Mont Laboratories Inc. for the purpose of supplying unbiased information to engineers, scientists and others interested in the application of cathode ray tubes. First issue is just off the press. Contents include a discussion of a new gaseous discharge tube and an item on a newly developed screen material which allows a black and white television picture. Antenna Support Satisfactory Trail, B. C— The 270-foot triangular wood tower recently erected for support of antenna at CJAT is reported giving thoroughly satisfactory results. The tower is of the free standing type in design, similar to the 325-foot tower erected some time ago at Richmond, Va., by Station WRVA. Plans for the structure were prepared and its fabrication supervised by Charles T. Hamilton, consulting engineer, of Vancouver, B. C. Erection was done by the owner on force account. Cage Antenna Still Popular Although the vertical radiator has to a large extent superseded the multi-wire type of construction, there are still many stations erecting and using the less expensive cage antenna construction, according to Charles F. Jacobs of New York, manufacturer of the Jacobs Antenna Spreader. The Jacobs antenna spreader has been in use continually since 1925. Demonstrating Audi-o-Graph Canton, Mass. — Tobe Deutschmann of the Tobe Deutschmann Corp., manufacturers of Tobe apparatus for radio stations, is away on a demonstration trip in connection with the Tobe Audi-o-Graph, the new instrument for automatic recording of audio frequency characteristics. RCA Ship Radio Device RCA's Radio Marine Corp. has just made available to American ship owners a new radio device for the protection of life at sea that listens, thinks and acts without human attendance. The device is known as an automatic radio alarm, and is intended for shipboard service in "standing watch" for emergency calls from other vessels at all times when the radio operator may be off duty. Tracing Interference Shenandoah, la. — So bad has been interference with radios in Shenandoah this spring that the Iowa-Nebraska Light & Power Co. has employed Bud Vance, radio expert, to trace down the cause. Station Improvements Wenatchee, Wash. — KPQ has been granted an FCC permit for transmitter site at N. End Miller St. and installation of vertical radiator. Paris, Tex. — KPLT is making changes in equipment and increasing day power from 100 to 250 watts. Philadelphia — WTEL has been granted authority to install automatic frequency control apparatus. St. Joseph, Mo.— KFEQ has applied to the FCC for permit to install a new vertical antenna and move its transmitter. Sound Manual Issued Radio Receptor Co., New York, has issued a Sound Manual, covering amplifiers, sound systems and centralized radio. The catalog provides complete information regarding each Lincoln, Neb. — KFOR is seeking FCC permission to install a new transmitter and directional antenna for night use, also to change frequency and increase power. Watertown, S. D.-KWTN has applied for authority to install automatic frequency control. Wayne, Ind.— WGL is asking FCC for a permit to make changes in transmitting equipment and increase power to 250 watts daytime. Who Reads Radio Daily ft STATIONS SPONSORS STARS ADVERTISING AGENCIES RADIO EDITORS MUSIC PURLISHERS RADIO ENGINEERS PROGRAM PRODUCERS TALENT AGENCIES MOTION PICTURE EXECUTIVES EQUIPMENT MANUFACTURERS SONG WRITERS BAND LEADERS ft Every Day ft