AOR AR-ALPHA Specifications download pdf (Page 3)

Introduction

AR-IQ software allows direct control of the AR-Alpha receiver through a graphical interface. The recorded samples are

acquired through the USB I/Q Port and further processed (filtered and demodulated) by the PC CPU. All commands are sent to

the AR-Alpha through the receiver’s remote control USB port.

AF vs. I/Q

Compared to a regular AF recording, which only allows recording one frequency at a time, I/Q recording allows you to store and

playback a full 1MHz bandwidth with no loss of quality!

This 1MHz bandwidth can be anywhere within the receiving range of the AR-ALPHA, between 10kHz and 3.5GHz.

Off-line, you can listen and decode within the recorded 1MHz range, tuning any frequency as you would in real time. You can

even loop a particular time frame to listen repeatedly to a signal received in difficult conditions, or search for and analyze hard

to catch signals bursts.

I/Q on the move#

It is also possible to move the I/Q data to another PC and to listen/decode it off line, as long as the other PC has the AR-IQ

software installed as well (see software registration chapter 5). Although AR-IQ data can be copied to any data storage device

(USB key, DVD, external hard-drive, etc), the data must be first copied to the hard drive of the other PC for AR-IQ software to

work properly. It will not work if the I/Q data is read from a DVD, USB key or through a network, since the read speeds would be

too slow.

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AOR AR-ALPHA Specifications Page 3