Shouldn't Orion be in the Subject?
It is confusing and time-wasting to have to read through 50 lines of
text in posts to figure out what rig is being discussed.
Just a request to help fellow list members.
IMHO, YMMV ...
Thanks! & 73, doc kd4e
John L Merrill wrote:
> I hear the pops, which is probably the PLL relocking ( common on other
> radios). But hear no change in noise level.
>
> John N1JM
>
> TJ Sheffield wrote:
>
>>I’m running firmware version 1.372 and using DX4WIN Ver. 6.04 to
>>communicate with the Orion on a serial port.
>>
>>A master re-set doesn’t eliminate this condition. Below certain
>>frequencies the noise disappears. Cycling the power when the
>>sub-receiver is tuned below these frequencies fixes the condition, at
>>least until it recurs on a random basis. I am unable to determine if
>>some combination of band / frequency / mode choice precipitates this
>>condition.
>>
>>Rolling the sub-receiver across the following frequencies shows where
>>the noise is present or absent (by mode):
>>
>>UCW 13.000.640 Present, 13.000.630 Gone
>>
>>LCW 12.999.300 Present, 12.999.290 Gone
>>
>>USB 12.999.970 Present, 12.999.960 Gone
>>
>>LSB 12.999.970 Present, 12.999.960 Gone
>>
>>AM 12.999.970 Present, 12.999.960 Gone
>>
>>FM 12.999.970 Present, 12.999.960 Gone
>>
>>Please try rolling your sub-receiver across these frequencies and let me
>>know if you detect an audible pop or other indication that something may
>>be happening in this region.
>>
>>In my case, even when the S-5 noise is gone, I can detect an audible pop
>>when the sub-receiver is tuned across these frequencies.
>>
>>Thanks very much,
>>
>>TJ Sheffield, KL7TS
>>Anchorage, Alaska
>>
>>
>>=============================================================
>>PREVIOUS POST
>>
>>On an intermittent basis my Orion sub-receiver will display
>>approximately five bars of noise while the main receiver may show S-2.
>>Both receivers are on 20m at present.
>>
>>If I tune the sub-receiver down to 13.000.000 the five bars of noise is
>>still displayed and the hash is still heard in the sub-receiver. If I
>>tune to 12.999.900 the five bars of hash drops entirely and a more
>>reasonable 1-1/2 bars of normal background hiss is heard.
>>
>>The sub-receiver noise at 13.000.000 and above sounds something like a
>>mixture of high and low tones that are cycling, burbling and/or pulsing
>>at a rapid rate. Sorry I don’t have a more technical description for
>>this noise! Tuning to 12.999.900 and below the hash disappears and I
>>hear the normal background hiss of a quiet band.
>>
>>If the sub-receiver is above 13.000.000 and I cycle the main power
>>switch off / on the condition persists. If I tune to 12.999.990 and
>>cycle the power the condition is cured but a noticeable pop is heard
>>when rolling from 12.999.900 to 13.000.00 however the sub-receiver hash
>>is gone.
>>
>>When the sub-receiver noise is present the rig is not useable for split
>>operation but the cure at least is available. I’m running the latest
>>firmware.
>>
>>These observations will be cross-posted to “ditsnbits” but I though I’d
>>mention it to the group.
>>
>>Thanks very much,
>>
>>TJ Sheffield, KL7TS
>>Anchorage, Alaska
--
Thanks! & 73, doc kd4e
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============\ # West Central Florida
KD4E ==============================
http://bibleseven.com
Ham PC = 100% Linux Novell-Suse 9.2
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