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VLF Receiver

Price: £ 130.00

The UKRAA Very Low Frequency (VLF) Receiver is designed to record Sudden Ionospheric Disturbance (SIDs) induced by solar flares. It does this by monitoring transmissions from Earth-based beacons, which are affected by changes in the ionosphere, giving an indirect indication of events on the Sun. The main motivation for this work is to correlate the radio observations of solar activity with those from optical observers, and to follow the cycle of sunspots as they appear on the Sun.

The VLF Receiver output is a voltage varying with time, which may be fed to any data logger or digital multimeter. The VLF Receiver is also compatible with the popular Radio Sky-Pipe data logging software, but extra components will be required.

The VLF Receiver has a tuning range of about 12 kHz to 35 kHz, requires a supply of 15 Volts DC at 35mA, and provides output signals at 0 – 2.5 Volts and 0 – 5 Volts. It is designed to work with the UKRAA VLF loop Aerial and the UKRAA VLF Aerial Tuning Unit. You may also find the UKRAA VLF Signal Generator useful during tuning of the system.

The receiver comes pre-aligned and tested to 23.4kHz DHO38 Ramsloh Germany.

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