[HCDX] Re: unID LF beacon help requested

["Michael Oexner" <michael.oexner@xxxxxxxxxxxxxx>]

Hi Mark,


below please find some info on your UNID LF beacons / NDBs:

> On 27 OCT from 2000 to 2030 UTC (late
> afternoon / early evening), I logged
> a few non-directional aerobeacons from
> a receiving position at the Cappahayden,
> NF (Canada) DXpedition site.
>
> Most of these I've identified from a
> Canadian NDB list I downloaded.  I'm
> left with three unID's for which I seek
> assistance:
>
> 1M on 229 kHz
> QYT on 263 kHz
> POL on 325 kHz
>
> Any help will be appreciated.

- QYT 263 might be a mixture of the following candidates:
QY 263,0 Sydney NS CAN N46.1242 W59.5830
T 263,0 Timmins ON CAN N48.2948 W81.2455
T 263 Thunder Bay ON CAN N48.2400 W89.1300
Did you hear a "stable" (repetitive) callsign, or could it have been a
"mix" (superposition) of some kind?

- 1M 229,0 Hibernia Platform NF CAN N46.4550 W48.4535

- POL: nothing found on this one :-(
What was its transmission format (dash after ID or silence?) /
repetition cycle / modulation frequency?

Most Canadian NDBs (well over 90% for sure) use 400 Hz modulation (USB
only); example: on 263 kHz you should find QY's carrier, and on 263.4
kHz the ID. To measure the offset you would need to set your RX to CW
mode and use a narrow CW filter (e. g. 250 Hz).

If you find time it would be nice if you could let me know the other
NDBs you received.


vy 73 + gd DX,

Michael


RX: ICOM R71A, Sony ICF-SW7600G, W&G SPM-3
Antenna: Radio West 22.5" ferrite loop with amplifier, 20m longwire,
Wellbrook ALA 100
Location: Roschbach, Germany N 49°15' E 8°07'
Member: CSDXC, DSWCI, EUNL, LWCA, MWC
Editor of "The European NDB Handbook"
e-mail: michael.oexner@xxxxxxxxxxxxxx



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