Japan Asks Radio Amateurs to Keep Frequencies Clear As Country Goes into Recovery Mode after Devastating Earthquake After the 8.9 earthquake that struck near Sendai, Japan at 2:46 JST (0546 UTC) on Friday, March 11, the island nation is trying to recover. Soon after the earthquake — which the US Geological Survey (USGS) is calling…
Availability is projected as early 2011. General * Bright, High Resolution Color TFT Display * 16-bit DSP Processor * USB & RS-232 Interface (not needed for normal operation) * Flash Upgradeable * Fast Screen Refresh * 12VDC Operation * Interface to Rig is Through Remotable RF Couplers Which Attach to the Rig /…
# PCB size 75 x 49 mm up to our analog sequencer boards. # The entire control needs to be done by a small PIC 12F629/675, to save space on the board (the 12F series has only 8 pins, but that only 6 possible I / O ports for input and output). # A…
Morse Pad Decode Morse Code NAVTEX Pad Decode NAVTEX weather transmissions Packet Pad Decode Packet Radio transmissions PSK31 Pad Decode PSK31 transmissions ACARS Pad Decode ACARS transmissions SSTV Pad Decode SSTV transmissions Elmer Technician Amateur radio written exam practice Elmer General Amateur radio written exam practice Elmer Extra Amateur radio written exam practice HF…
Digital measurement and communication receiver with 17-bit analog-digital conversion and direct spectrum-based signal processing 0-31 MHz + 50 – 54 MHz. Stand-alone unit without PC, 230V power supply and speaker. Very high selectivity by 136 dB exact time-frequency transformation by newly developed principle. Many settings and display features (including waterfalls) on high contrast and fast…