This page was last edited on 31 July , at Each of the four antennas can support amateur radio operations on multiple frequencies and allow for simultaneous automatic and crew-tended operations. Note that this article is written for amateur radio operation in Colorado. HD Radio is a digital version of the analog content overlaid on the same analog carriers. My favorite tool is a ball peen hammer. Orbit Prediction Software Commercial and public domain software is available to help track when the ISS will be in range of your station, and where to point your antenna.
Subpart E--Technical Regulations Sec. Satellite segment 29 — 29 kHz: Number of FM Repeater channels increased to eight, former FM simplex channels became new repeater input, respectively repeater output channels. You can use a variety of different modulation modes on frequencies capable of worldwide communicationand interference! Channels are also identified as Chs Navigation Top rated contacts Top rated images. It transmits and receives JPEG still images.
That communication is then relayed to the ground via various communication links. Frequencies MHz include a variety of aeronautical and amateur uses, studio-transmitter relays, etc. Modern Shortwave Receiver Survey. You will hear it referred to as in-band on channel IBOC. HD radios are rare devices.
The aim to start with is simply to listen to the sounds from the satellite. There is still time to enjoy the benefits of AM radio. Repeater stations are located on top of tall buildings or mountains where the "radio horizon" is much greater than from the ground. I tuned only three local AM stations and they were weak but very listenable. All modes All modes — FM simplex — 10 kHz channels All modes — digimodes, automatically controlled data stations unattended.