Amateur vhf receiver imd comparison

Interference has always been one of the greatest impediments to communications, regardless of frequency. If an amateur with a strong signal transmits right on a frequency where a weak signal is present, there is virtually no way you can copy the weaker signal unless the stronger station stops transmitting. But, interference isn't confined to the simple case described above. The latter may be transmitted, or locally generated in the receiver. Using CW provides a partial solution to the interference problem.

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Effective use of a Low Noise Amplifier on VHF/UHF

Receiver Test Data

All rights reserved. Update Patience, please! There are lots of slow loading large images on this page. The other reason was perhaps the lack of documents containing information on more, than just one kind of setup and software. I was missing a document giving the key features of different types of operational observing systems.

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Meteor Scatter obs with VHF Radio & Computer

An accurate digital multimeter with a high-voltage probe for safe measurement of voltages above V. For more sophisticated station adjustment SSB audio, modulation envelope, tones in digital modes etc. A good-quality frequency counter with a minimum frequency range of MHz, preferably with a 1 GHz C-channel. Radio amateurs who are interested in aligning and repairing their own or their friends' radio gear may wish to go a few steps further:.