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Magnum’s Filtered Power Cord

Have you ever tried to filter out alternator whine from you CB receiver? In severe cases, this whine is transmitted over the air. Even ignition spark noise is carried along the power leads. There are a number of power line filters available. Radio Shack has them, Pyramid makes one, and there are other manufactures of […]

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MODERN DO-IT-YOURSELF GROUNDING TECHNIQUES

MODERN DO-IT-YOURSELF GROUNDING TECHNIQUES Proper safety grounding of telecommunications equipment is one of the most important but least understood elements of good installation practice. Earth neutral connections provide numerous benefits to equipment owners including personal electric shock safety, protection from voltage surges caused by lightning and power line delivery variations, and reduction or elimination of […]

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RCI 2950DX Image Rejection Modification

As noted in the review, an anomaly, not found in other radios, was found in two of the RCI 2950DX tested. Further test determined signals outside the passband of the 10.965 crystal filter were indeed getting through or around this filter. All the components and every circuit trace was followed per the schematic diagram. No component […]

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SUPER STAR SILVER SALUTE BASE MICROPHONE

SUPER STAR® SILVER SALUTE BASE MICROPHONE Description The SILVER SALUTE is Superior Quality Base Microphone For the CB. And Amateur Communications Enthusiast. That is entirely chrome plated and features a grip-to-talk bar and a press-to-talk bar. The microphone head plugs into the top of the mast and is locked on by means of a union nut (See drawing […]

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SOLVING TELEPHONE RF INTERFERENCE – HELPFUL HINTS AND SUGGESTIONS

SOLVING TELEPHONE RF INTERFERENCE – HELPFUL HINTS AND SUGGESTIONSWith the increasing popularity of complex and computer-aided home telephone units manufactured by numerous companies worldwide comes a corresponding increase in both the quantity and severity of telephone interference caused by local radio broadcast transmitters. The new telephones, both domestic and imported, are the most susceptible and delicate […]

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