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■4~ Now for the type of antenna, let’s appeal again to that faculty engineer or graduate student. Can he not figure out the dimensions of a four-rhay turn-s;tyle antenna and “build it himself? If not, try one of the engineers on your local radio station who’d like to make some extra money. Have him purchase some seven-eights inch copper refrigerator pipe with proper turn fittings. You ought to get the four-hay job done for $400 ($300 for labor and $100 for materials). In current radio magazines you 11 see advertisements for more kinds of I'M antenna system than you can dream up. Probably, all of them are serviceable, but the fact that they vary so widely in design is adequate proof that no one type is best, and for general purposes I believes that tbs four-bay turn-style, engineered to the proper dimensions,, will give complete satisfaction. Now the transmission line, the gadget that connects the transmitter with the antenna, remains. Ibr any powered PM .transmitter up and including 3,000 watts, simply buy some more seven-eights inch hard copper tubing, some one-, fourth inch flexible copper tubing, and some lava insulators. The electricians in your maintenance department can assemble this co-axial line as they put it up. Total cost of 100 feet, including materials and labor, should not exceed $100^ To recapitulate, the total cost, then, of setting up your PM station, excluding remodeling of building and accoustical treatment, would be as follows; Trasmitter, 250 watts Combination frequency and modulation moniter Speeoh-input e quipment Antenna and tower Transmission line $5,500.00 850.00 3,300.00 500.00 100,00 Total $10,000.00 Of course, if you already have radio studios, you can skip the speech- input item. Now, if these items haven’t given you too much of a jolt, you can read on. LICBNSE PROCHOURS Your next step is to send to the Pederal Communications Commission, Y/ashington, D.C., for three copies of Porm 340, which is your application for a station construction permit. You must submit two copies and you'll want to keep one. Let’s study this form a little. Here are the questions that might trouble you; 1. Remember, the applicant is your institution, not yon. 2. Here’s where you put your name. 3. (c) This is for the name of your president. He’s your executive officer. You will note at the bottom of page 3 that your board of trustees or regents have to specifically authorize the application ior a station. Be careful to execute either Part II or Part III (whichever applies), but not both.