Graymark scours the globe to locate the best value for quality components. Each product's courseware has been thoroughly tried and tested in classrooms around the world. Value: Graymark's commitment is to provide you with great value for your dollar. It teaches radio and electronic theory, soldering, construction, troubleshooting, and the use of test equipment such as Multimeters, Signal Generators, and Oscilloscopes. 5 Comments Building an AM Radio kit is a staple of many Vocational Electronic programs. After 40 years' experience in producing outstanding educational course materials, they provide consistently high-quality products so you know your next purchase of Graymark products will be the same high quality as your last. The Dormant Graymark Model 536 AM Radio Kit. Quality: Graymark's products are designed with careful attention to detail and reliability. Graymark continues to produce the finest training systems and kits available, and are proud of their worldwide reputation for delivering quality technology training products far ahead of the competition. But I have a 20 meter regen that is as stable as an 80 or 160 meter regen. You have to advance or decrease the regeneration every 75 Kc or so. The leader in technology training with a tradition of excellence for four decades. Of course, this radio is no Collins, and in all actuality, it operates just like a typical regenerative receiver. TECHNICAL BOOKS | POWER SUPPLY & BATTERIES | SOLAR POWER TEST INSTRUMENTS | KOMPONENT KITS | FIBER OPTICS | TOOLS & TOOL SETSĬABLE INSTALLATION TOOLS & TESTERS | WELLER/UNGAR & XCELITE TOOLS ROBOT KITS & BOOKS | ANALOG/DIGITAL TRAINERS | BREADBOARDS & ACCESSORIES Thank you, too, for your support of these sites.IT TRAINERS | GPS TECHNOLOGY | STARTER KITS | TRAINING MODULESĮLECTRONIC PROJECTS: (200 series) (400/500 series) (800 series) Additionally, we always try to include links to other retail options if they are available, as we support and freely advertise independent ham radio retailers. We hope you understand, and are grateful for your support.īut please note that we will never create a post and product link explicitly to receive a commission. very Meetings of Scientific Societies 88 Report on ' The Radio - TeleContemporary Electrical Science. This means that by clicking on these links, a small percentage of the purchase price for goods you purchase from these sellers will help support our site’s running costs. Many of our links now function as affiliate links. The SWLing Post now participates in two affiliate advertising programs with two large retailers that still sell shortwave radios, the Amazon Services LLC Associates Program and the eBay Partnership, designed to provide a means for sites like ours to earn advertising fees by advertising and linking to these retailers of radio products.

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