BC-DX 789 05 Jan 2007 Private Verwendung der Meldun

1100-1200 9420AVL
[and sometimes also 17525AVL starts irreg. at 1100 UT too, underneath is
RFI relay via Meyerton-AFS co-channel]
1100-1650 9935THE-Makedonias progr, different unit
1200-1550 9420AVL 15630AVL 17525AVL
1600-1950 9420AVL 15630AVL
1700-2250 7450THE-Makedonias progr, different unit
2000-2200 7475AVL 9420AVL
2200-2400 5865THE 7475AVL 9420AVL
(wb, Feb 8/9/10)
And this morning (Feb. 8) 11645 was on air at 1000 UT when all Avlis were
off air. Audio was cutting on/off - very quick breaks - but the carrier
stayed on - unlike yesterday when everything went off.
I noted a pause in programming at 1055 UTC when IS was played and ID given
in English and Greek. This stopped at 1059 and carrier dropped at 1102 UT.
And at 1105 UT 15630 has come up, and in USB-SSB(!) followed by a
readjustment to DSB. Audio quality is somewhat muffled in AM and better
using SSB - could it be a form of compatible AM?. Signal strength is
varying widely from S-1 to S-9+. The transmitter managed to stay on air to
begin with but is now dropping audio and carrier when the announcer stops
speaking.
I noted that Wolfgang reported hearing SSB earlier today - are the former
Collins or Continentals used by the IBB capable of this type of operation?
Avlis senders on 9420, 9935 and 17525 all came up at around 1100UT - 9935
is the less strong of the three of them. There is co-channel on 17525 from
a weaker unid.
(Noel R. Green-UK, wwdxc BC-DX Feb 8)
I was checking ERA 5865 around 0500 last Wednesday 7 and found
transmission constantly breaking, almost less than every 10 seconds.
Signal was audible but not so strong as those I use to receive on 9420 and
7475 for this same time period.
(Raul Saavedra-CTR, dxld Feb 8)
I'd just like to point out that 11645 stays on air during the "silent
period" between 1000 and 1100UTC. It is on air - or at least it's trying
to stay on air - as I type this at 1030. There are continuous breaks of
both audio and carrier, and I think it's only we SWL enthusiasts who would
listen to a signal like this. To make it truly worthwhile the fault needs
to be repaired.
If a 115deg azimuth is in use then this might account for the VERY
variable signal strength that I am noting. Fading is continuous (no steady
periods as on other frequencies) and there are deep fades off the S meter
scale (below 1) and peaks up to S9 or over. I will check again today when
the frequency change is made to find out if transmission starts in SSB as
it did on Thursday at 1105 UTC. It will be most interesting If/when we
find out where this signal originates from.
(Later) Re this from Raul-CTR
Seems that same ERA transmitter I heard cutting off constantly on 5865
ended transmission at 0550 and went to 15630, and you heard it around 1500
last Wednesday on 15630 with the same problem, which is a little hard to
believe since Greek has been going regularly well for quite some time on
that 19mb. Interesting would be to know if some our European colleagues
heard something irregular on that frecuency, say around 0900, while those
are wee hours for American continent. Raul Saavedra-CTR.
Hello Raul ... Yes, something "irregular" has been heard via the Greek
mystery transmitter. Wolfgang noted it first and I've heard it too. When