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atest - Online in the Cloud

Run atest in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command atest that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


atest - Decode AX.25 frames from an audio file.

SYNOPSIS


atest [ options ] wav-file-in

wav-file-in is a WAV format audio file.

DESCRIPTION


atest is a test application which decodes AX.25 frames from an audio recording. This
provides an easy way to test Dire Wolf decoding performance much quicker than normal real-
time.

OPTIONS


-B n Bits / second for data. Proper modem selected for 300, 1200, 9600. 300 baud uses
1600/1800 Hz AFSK. 1200 (default) baud uses 1200/2200 Hz AFSK. 9600 baud uses
K9NG/G2RUH standard.

-D n Divide audio sample rate by n.

-F n Amount of effort to try fixing frames with an invalid CRC. 0 (default) = consider
only correct frames. 1 = Try to fix only a single bit. more = Try modifying more
bits to get a good CRC.

-P m Select the demodulator type such as A, B, C, D (default for 300 baud), E (default
for 1200 baud), F, A+, B+, C+, D+, E+, F+.

EXAMPLES


gen_packets -o test1.wav
atest test1.wav

gen_packets -B 300 -o test3.wav
atest -B 300 test3.wav

gen_packets -B 9600 -o test9.wav
atest -B 9600 test9.wav

This generates and decodes 3 test files with 1200, 300, and 9600 bits per second.

atest 02_Track_2.wav
atest -P C+ 02_Track_2.wav
atest -F 1 02_Track_2.wav
atest -P C+ -F 1 02_Track_2.wav

Try different combinations of options to find the best decoding performance.

Use atest online using onworks.net services


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