![]() jgpeiro has added a new project titled RPScope.kelvinA wrote a reply on project log Screen options.kelvinA wrote a comment on project log Build.Jan Neumann has added a new log for WiFi Cam 2.0.dwasus liked Nextion touchscreen display for web Player KaRadio.AgentPothead liked Dice using Radioactive Decay for True Randomness.kelvinA wrote a comment on project log Use CM4 for its MIPI DSI feature.solipso on ZIF HDDs Dying Out? Here’s An Open-Source 1.8″ SSD.JRRT on Welding Aluminum With A MIG Welder.OG on Welding Aluminum With A MIG Welder.dlcarrier on Recreating The “Stuck Throttle” Problem On A Toyota.JamaicaJoe on FM Signal Detection The Pulse-Counting Way.oliver on All Your Pixels Are (Probably Not) Belong To Pantone.NiHaoMike on Recreating The “Stuck Throttle” Problem On A Toyota.mayhem on Recreating The “Stuck Throttle” Problem On A Toyota. ![]() FeRDNYC on Improve CD Sound By Shaving?.Dan on All Your Pixels Are (Probably Not) Belong To Pantone.Video after the break.Ĭontinue reading “Indoor Antennas Worthy Of 007” → Posted in Radio Hacks Tagged antenna, cold war, doublet antenna, ham radio, indoor antenna, loop antenna, portland spy ring, radio, spyĢ022 Hackaday Supercon: Joe Grand Keynote And Workshops Galore 6 Comments By today’s standards, they aren’t especially small, but for their day they are positively tiny. has some period spy radios, which are always interesting to see. They probably won’t do as much good as a proper outdoor antenna, but you can make quite a few contacts with some skill, some luck, and good propagation. He also shows other types of indoor antennas. Like many people, likes loop antennas for indoor use. Paradoxically, older houses work better with indoor antennas because they lack things like solar cell panels, radiant barriers, and metallic insulation. Keep in mind, the old tube transmitters were less finicky about SWR and by adjusting the loading circuits, you could transmit into almost anything. The antenna the used was a 22-meter wire in the attic of their home. A concealed spy antenna might be just the ticket for a deed-restricted ham radio station. If there had been, the authorities could simply follow the feedline to find the radio. Clearly, then, there wasn’t a giant antenna on the roof. In this case, the transmitter itself was so well-hidden that it took MI5 nine days to find the first of them. points out that spies like the needed to report British Navy secrets like the plans for a nuclear boomer sub to Russia but didn’t want to attract the attention of their neighbors. can sympathize, and has a solution based on lessons of spycraft from the cold war. It seems that homeowner’s associations are on the lookout for the non-conformity of the dreaded ham radio antenna. Continued abuse of our services will cause your IP address to be blocked indefinitely.Many ham radio operators now live where installing an outdoor antenna is all but impossible. Please fill out the CAPTCHA below and then click the button to indicate that you agree to these terms. If you wish to be unblocked, you must agree that you will take immediate steps to rectify this issue. If you do not understand what is causing this behavior, please contact us here. If you promise to stop (by clicking the Agree button below), we'll unblock your connection for now, but we will immediately re-block it if we detect additional bad behavior. Overusing our search engine with a very large number of searches in a very short amount of time. ![]()
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