Here, even the slightest IBOC noise does a number on adjacent frequencies, that wipes out a lot of the weaker DX. An example is 1220. Still a good frequency here for long haul Midwest/Eastern DX wth the beverage, but Medford OR on 1230 (presumed) runs IBOC now. Even though the beverage nulls Medford at over 300 miles. I don't hear Medford off the beverage, not at all, but the IBOC hash does get into 1220. The lower sideband is clear of 1220, but that suffers from local splatter from 1230-KKEE-Astoria. The upper sideband (farther away from 1230), suffers from IBOC noise, but away from the KKEE splatter. The IBOC hash is not strong enough to wipe out anything with strength, so in setting up the timer on 1220 and listening back the next day to :58-:02, some hours, the weak signals will barely peak above the hash. But most people would never detect the hash, with a beverage and low QRN here, IBOC is in alot of places and a big pest. That IBOC hash skips out easier that anything I have ever heard. Considering Medford runs 1 KW, so IBOC would be no more that 10 watts, and considering 300 miles and a direct null to the South with the beverage, I must be getting flea power of 1-2 watts maybe? If that? But of course I am assuming the hash is coming from 1230 Medford. But that is the most likely I would guess.
73, Patrick Patrick Martin KGED QSL Manager _______________________________________________ IRCA mailing list [email protected] http://montreal.kotalampi.com/mailman/listinfo/irca Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers For more information: http://www.ircaonline.org To Post a message: [email protected]
