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O FM SUCCESS
MASSACHUSETTS
HOISTS ANTENNAS AND GETS RESULTS
"Here in my town we have devised a method of selling which proves to the prospective customer that FM is not only the biggest change and advancement in radio, but when correctly installed will give him radio enjoyment he never dreamed of!"
These are the energetic words of S. Harold Bent, prominent radio dealer of Gardner, Mass. He says that FM represents an opportunity for the legitimate radio dealer to get back into "real" radio business, selling sets priced from $175 to $1,000. But the radio man has to be prepared to prove that the new radios are worth the high prices.
"This requires a complete revolution in selling and installing," declares Mr. Bent. He has been staging his own "revolution" for nearly a year now, and has emerged with flying colors. Mr. Bent takes the matter seriously because "during these days of merchandise shortages the dealer must more than double his unit sales prices to break even. . . . FM offers the solution to that problem."
FIRE-ENGINE TACTICS
One of the keys to Mr. Bent's success with FM is a long one, with rungs. It's a demonstration ladder — but let him tell the story:
"My method is to use a step-ladder 22 feet long, made light enough so that it may be erected by two men. This
is tied to the side of the customer's house in a position that will give the least signal reflection from tin roofs, gutters and service wires. Through the center is raised a 20-foot steel tube which is light and strong (not galvanized iron pipe) and on top of this is the dipole antenna with reflector. The antenna is constructed so that it can be matched as to impedance with the transmission line which is E01 cable. The adjustment of the matching bars will vary considerably if the line is long or short.
"The matching is done with the use of an electronic voltmeter measuring limiter voltage, listening to a lower power transmitter (we use Worcester, WlXTG, 18 miles from us at 1000 watts. A high power transmitter such as W43B, Paxton with 50,000 watts, (ten bay turnstile antenna) about the same distance from us as WlXTG is using so much power that AVC action makes the signal useless for antenna matching).
"After the antenna and transmission line are matched for impedance we orient antenna for direction, raising and lowering antenna above the ground for ground reflection factor so that most stations, WlXTG, W43B, W1XSN, W2XMN, W65H, (see accompanying map) come in on the "big lobe" in front of the antenna and others on a lobe about 45 degrees on the side. The lobe varies as to angle with ground reflection factor and has to be determined by raising and lowering and orienting antenna. In some (Continued on page 52)
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RADIO TODAY