Receiving DU's on Ultralight Radios
Hello All,
For the Northwest Gang accustomed to relatively
easy Asian TP receptions on Ultralight radios, the reception of stations in
Australia (and other South Pacific areas) is proving to be more
challenging. Signal levels are rarely very strong, and most of the active
DXers do not live in ideal ocean beach locations.
In the latest attempt, a one-night stay in
Grayland, Washington (on the ocean coast) provided some weak opportunities, but
no solid ID's. Various weak DU carriers were observed around 1130 UTC, but
at the "moment of truth" (around local sunrise after 1215), only one of the
carriers came up to audio level on the modified ICF-2010 (19.5"
loopstick)-- on 567 kHz. Since the modified SRF-39FP (20" loopstick)
has approximately the same sensitivity as the modified ICF-2010, 567 was tuned
in on the "super prison radio," and 567 did indeed have a monstrous 3 kHz
heterodyne (with very strong KVI-570). Recordings were started on both
radios around 1215 UTC, with occasional bits of 567 audio breaking through the
KVI splatter on the modified SRF-39FP. Unfortunately, KVI could not
be nulled, and the modified Ultralight could not produce any definite ID's
through the splatter. The modified ICF-2010, with superior selectivity,
did much better in the recording, and produced reasonably
clear DU English and music for about 15 minutes...a probable logging
of 2YA-567 in New Zealand.
John Bryant is rumored to be planning a visit to
Grayland in early June, and will undoubtedly try his own luck with the
DU's. On exceptional days (like the April 20 DXpedition with the 531
station), the signal levels do come up to a strength sufficient for stock
Ultralight reception. Let's hope somebody makes the lucky logging
soon!
73, Gary DeBock
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