http://www.radiohobbyist.org/blog/?p=271 http://www.ontheshortwaves.com/T_Hirahara/NHKs_Low_Power_SW_Outlets.pdf
European, Private Shortwave Stations - Radio Heritage
http://www.faqs.org/faqs/radio/broadcasting/low-power-faq/ WebPortable jammers are phone-sized and low-powered devices. They can block data delivery at a distance up to 15 meters without barriers. Stationary jammers are more expensive and powerful. They usually have a larger jamming radius and wider frequency band. Strong jammers can require additional cooling as they can overheat. my steam gift card is damaged
Shortwave radio proves simple, powerful — and necessary
WebMost stations use low power, but a few use several kW. Note that UTC is used here - not CET ... kHz Country Name Transmitter site Schedule ... 3975 D Shortwave Gold Winsen Daily 0700-2100 3985 D Shortwaveservice Kall-Krekel Daily 1500-2100 3995 D HCJB Weenermoor 24/7 5895 NOR The Sea / Radio Northern Star Bergen ... http://www.londonshortwave.com/docs/RadioHabanaCuba.pdf WebA comparison of three low power AM shortwave pirate transmitters. Recently shortwave free radio station Channel Z Radio conducted test broadcasts using three different transmitters, all on the same frequency … the shoebox bible