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| Subject: | Re: LF: What is that effect? |
| From: | Markus Vester <[email protected]> |
| Date: | Tue, 14 Aug 2012 07:14:04 -0400 (EDT) |
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Hi Graham,
oops, I'm sorry I wasn't aware that the verb "honk" is also used as described as "Sense 4" on
Though I do not share the belief that Opera mode is the latest and greatest achievement in weak signal technology, I certainly did not intend to insult it, or anyone working with it.
Best 73,
Markus (DF6NM)
Von: Graham <[email protected]> An: rsgb_lf_group <[email protected]> Verschickt: Di, 14 Aug 2012 12:01 am Betreff: Re: LF: What is that effect? As its a 'Opera' signal could be a little 'VIBRATO' adding artistic effect ?
Though, 'HONK Mode' could be misinterpreted ...............
G :0)
Stefan
which effect do you mean?
- the undecipherable garbage in Morse code? Must be toot-toot mode *)
- the gap in the middle, between "ts" and "nr"? Must have been a temporary outage on the transmit side, or a SpecLab timewarp at G4WGT.
- The weak +- 10 Hz sidelines at the beginning? Probably a spurious modulation from the transmitter or power supply, or perhaps an artifact the receiver AGC, acting on a pair of local signals outside the spectrogram range. Or a Perseid meteor trail, moving at 20 km/s (no, not really).
Best 73,
Markus (DF6NM)
*) Here in DL (and probably elsewhere), there is a wedding rite that the newly married couple is driving from church in a flower decorated car, followed by their friends and relatives in a convoy of cars. They follow a white chalk line painted on the street **), and usually keep honking their horns in an erratic manner. Listening to one or several instantaneous Opera signals never fails to remind me of that sound - so I privately dubbed it "honk mode".
**) Rumour has it that this white line is primarily meant to guide the couple in safe distance around the houses of their former lovers.
Just seen this on the G4WGT garbber, see attachment. Where does this frequency spreading effect come from? Experts: go! 73, Stefan |
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