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Lo-19 beacon

I was listening to the inspiring beacon from LO-19, "lusathihi", and noticed something on my screen in speclab: The carrier seems to continue faintly, after the transmission is over.  During the 20 second pause between telemetry frames, I can see the carrier continue but very faintly, all the way through to the start of the next frame.  I can only see this when the bird is right in my beam, as I can't adjust my elevation, and only have a small yagi/preamp, so that the transmissions are at least S-7, then the carrier is just visible on my display.
Can someone explain how this is possible?  Shouldn't the transmitter be off ehen it's not keyed?


Auke de Jong
Edmonton, AB

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