HF/VHF Transceiver Frequency range: Rx 0.5-29.999999MHz Tx 1.6-29.999999MHz Mode: USB, LSB, CW, AM Memory channels: 100 Power supply: 13.8V DC Receive Standby mode: 1.4A Transmit Max. power: 25A Operable temp. range: -10 – +60 Dimension(WxHxD): 240 x 200 x 65mm Weight: 4kg Receiver: Reveive system: Double-conversion superheterodyne system Sensitivity(12dB SINAD): 0.5-1.5999MHz: SSB, CW, RTTY –…
Introduction: The StationStack Digital Compass can tell your antenna is REALLY pointing within 2 degrees. It does this using a highly accurate 2 axis digital magnetometer. The compass box is mounted to the boom of your yagi or other directional antenna and sends the actual direction back to your radio shack using a wireless RF…
Author: Andrey Fedorov KL1A (RW3AH) www.CQDX.ru © In this article I would like to share my personal experiences on the use of the remotely controlled amateur radio stations. This subject is not new, and was referred to repeatedly in some amateur radio information sources, as well as discussed in many forums on the Internet. So…
Description: The R&S®EM510 HF Digital Wideband Receiver is a modern direct receiver. After the antenna signal has passed through preselection with highpass/lowpass filters, it is fed directly into the A/D converter. This concept offers a variety of advantages: Extremely high scan speed No image or IF frequencies (no mixers or local oscillators) No local oscillator…
The Schumann Resonance is 7.83 cycles per second (7.83 Hz). Named after Winfried Otto Schumann, the Schumann Resonance is said to be the frequency of the Earth’s vibration. This puts the Schumann Resonance in the ELF (extremely low frequency) range of the Earth’s total electromagnetic spectrum. The Schumann Resonance is also associated with 13.8 Hz,…