SiliconDust HDHomeRun TECH Usage Manual page 9

Example output:
ch=qam:33 lock=qam256 ss=83(-10dBmV) snq=90(29dB) seq=100 bps=38807712 pps=0
ch = channel requested
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lock = actual modulation detected
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ss = signal strength.
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snq = signal to noise quality (MER).
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seq = symbol error quality (based on the number of uncorrectable digital errors detected).
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bps = raw channel bits per second.
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pps = packets per second sent through the network.
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More advanced information can be obtained by using the get debug command:
Format: hdhomerun_config <device id> get /tuner<n>/debug
Example: hdhomerun_config FFFFFFFF get /tuner0/debug
Example output:
tun: ch=qam:33 lock=qam256 ss=84 snq=88 seq=100 dbg=22081-6930
dev: resync=0 overflow=0
ts: bps=38809216 ut=94 te=0 miss=0 crc=0
flt: bps=38809216
net: pps=0 err=0 stop=0
Each line contains a prefix to indicate the type of data, followed by the values.
tun = tuner status
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see above section
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dev = device status
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ts = transport stream
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bps = bits per second
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ut = utilization percentage (100% is filled to capacity)
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te = transport error counter (uncorrectable reception error)
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miss = missed packet counter (jump in sequence numbers)
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crc = crc error counter
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flt = results after pid filtering
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bps = bits per second
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net = network status
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pps = packets per second
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err = packets or TS frames dropped before transmission.
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stop = reason for stopping the stream
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The counters are reset to zero upon a channel change, but may indicate a small number of errors
caused before the tuner locks on the channel. As a result, diagnostics should be based on the
change in values over time, and not the initial values.