Setting up a radio station

Most of these transceivers do not have their own power supplies, so read their specifications before you buy.

They tend to communicate using CW, but they also use digital modes and occasionally voice. Low power consumption is another major plus. You need continuous power, so check and be sure! QRP enthusiasts operate at only 5 watts output or less.

The disadvantage of QRP is that you need a very good antenna to make contacts with reasonable ease. But if you want to operate the radio without the battery, you may want to invest in a small dc power supply— There are also many transceiver kits available.

Your equipment will only draw the current it needs—no more, no less. See the sections below and make your choice!

A switching power supply is much smaller and lighter, and usually less expensive. In the switching power supply, the ac line voltage is converted directly to dc and filtered. The linear design uses a hefty transformer to shift the V ac line voltage from your wall outlet to a lower voltage for later conversion to Here are some fundamentals that all Amateur Radio stations have in common: The reason for doing this is that rapidly pulsating dc can be transformed to lower voltages without the need for large transformers.

Another approach to the power supply problem is the switching design. Antennas are subjects unto themselves.

In fact, it is probably safe to say that you can never have too much current capacity.

Build Your Own Radio Most hams buy their radios factory assembled, but you can design your own transceiver from scratch. These power supplies tend to be large and heavy, especially the high-current models.

Are those 30 amps provided intermittently—only for short periods of time--or continuously? Power supplies are often rated by their continuous and intermittent ICS current capacities. If you think your technical skills are marginal, however, build your kit with the help of a more knowledgeable ham.

A transceiver with a maximum output power of W will require about 25 A of current at Your Amateur Radio station may change, but you have to start somewhere, right?

Your First Station

The figure you want to look at is the continuous rating—the amount of current the power supply can provide continuously. It is the transformer that accounts for most of the weight, size and cost of traditional linear power supplies. The great advantage of QRP is cost.

Transceiver Antenna System The Transceiver Selecting your transceiver will largely depend on how much you want to spend and what you hope to do.

QRP transceivers can be easily powered from batteries, which make them great for outdoor or emergency operating. The result is pulsating dc that can be applied to a transformer for conversation to When shopping for a power supply, beware of one potential stumbling block.Setting Up a Station.

Check out some supplemental articles on setting up your first amateur radio station! Learn More. Make a Gift It's easy to donate now.

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Setting up a radio station
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