[IRCA] more about 1130 interference

[Eric Floden <eric.f99999@xxxxxxxxx>]

from CKWX site


http://www.news1130.com/news/local/article/111376--say-goodbye-to-noticias1130
 Say goodbye to Noticias1130. Spanish radio should stop bleeding through
airwaves soon
Mike Lloyd Oct 06, 2010 07:36:25 AM

 VANCOUVER (NEWS1130) - Many of our listeners from the Fraser Valley to the
Tri-Cities have been hearing a Spanish language station broadcasting on
News1130. The signal that has been bleeding through our airwaves is coming
from Mt Angel, Oregon.

After a meeting between our engineers and those from the American station,
here's the real deal: It's not just simple signal skipping or a strong
signal drowning out News1130. We're told it's a rare atmospheric anomaly,
stronger than it's been in years. A few things have converged to create
conditions not seen in decades, some of which are weather-related.

News1130 Meteorologist Russ Lacate has been talking about an enormous
high-pressure ridge for some time now. "It's been influencing the coastal
weather from Prince Rupert to L.A. and what's really happening is the
uppermost layer of the atmosphere is becoming very stable, very stratified.
[That's] creating a channel between the layers of the atmosphere through
which radio waves can travel unobstructed."

Lacate says in rare conditions like these, radio waves can travel across
abnormally long distances. It is called a "skywave" and it seems to peak
between 7am-9am and 6pm-8pm.

The good news is it's expected to return to normal soon. So, adios la
Mexicana, hola News1130! And muchas gracias to all our listeners for being
patient.
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