Alliance U? Free shipping. Skip to main content. Email to friends Share on Facebook - opens in a new window or tab Share on Twitter - opens in a new window or tab Share on Pinterest - opens in a new window or tab. Add to Watchlist. People who viewed this item also viewed. Picture Information.
Also see N8UDK's tethered balloon. Manuals and Data Sheets on P. Electronics manufactured products are available by email request free only to licensed hams upon email request - include your call letters - model number with revision letter or year as etched on the board. Please request only 1 or 2 at a time. In southern California, we suggest first getting a downconverter and antenna for the repeater ham band you are line of sight to and then seeing if you want to transmit later.
The picture above shows the current repeater configuration. When the repeater is not in use, people will see information pages or colour bars being displayed. There are two inputs on the AV switcher that have sync detectors on them which detect an incoming video signal. The sync detectors work by a PLL locking to the video line sync frequency at
Amateur television ATV is the transmission of broadcast quality video and audio over the wide range of frequencies of radio waves allocated for radio amateur Ham use. Ham TV stations were on the air in many cities before commercial television stations came on the air. ATV includes the study of building of such transmitters and receivers , and the study of radio propagation of signals travelling between transmitting and receiving stations. ATV is an extension of amateur radio. SSTV is a method of transmitting still images over radio, when it is not possible to send video.