tag:blogger.com,1999:blog-386077914312449748.post7308938072983941403..comments2024-03-27T20:37:08.065+01:00Comments on Defence and Freedom: Neglected tech (II): MegaphonesUnknownnoreply@blogger.comBlogger5125tag:blogger.com,1999:blog-386077914312449748.post-53838145538636678162022-10-08T14:06:27.722+02:002022-10-08T14:06:27.722+02:00Sorry, forgot to add FirnSorry, forgot to add FirnAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-386077914312449748.post-40524373877992534712022-10-08T14:05:59.794+02:002022-10-08T14:05:59.794+02:00Drones with megaphones have been used by the Chine...Drones with megaphones have been used by the Chinese regime to enforce lockdown, It is a widely available accessory for drones.<br /><br />In this case a (very) cheap quadcopter and a cheap fixed win aircraft with cheap optics might be sufficient. INS as a backup for GPS might be even enough. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-386077914312449748.post-68322854977467382842022-10-03T17:51:23.984+02:002022-10-03T17:51:23.984+02:00Thank you, while not relevant to the topic at hand...Thank you, while not relevant to the topic at hand, I now understand why ancient battlefield communication needed visuals in addition to sound.Kurthttps://www.blogger.com/profile/03580509598658129130noreply@blogger.comtag:blogger.com,1999:blog-386077914312449748.post-79783745399558433002022-10-02T15:22:58.789+02:002022-10-02T15:22:58.789+02:00The human hearing cannot accurately find the direc...The human hearing cannot accurately find the direction of such sounds,and megaphones with separate microphones exist, so the user can stay behind cover.<br /><br />Large loudspeakers can and were used to reach hostiles in a large area, demanding surrender. The risks are small, as sound propagates beyond line of sight.S Ohttps://www.blogger.com/profile/03359796414832859686noreply@blogger.comtag:blogger.com,1999:blog-386077914312449748.post-39972865271261325792022-10-01T11:13:06.108+02:002022-10-01T11:13:06.108+02:00The megafon calling for surrender might have targe...The megafon calling for surrender might have target painted all over. Could a drone calling for surrender be an effective solution? It would quickly change places and could reach a greater area when required.Kurthttps://www.blogger.com/profile/03580509598658129130noreply@blogger.com