LF: Utility stations in LF band - updated

Andre' Kesteloot akestelo@bellatlantic.net
Thu, 21 Jan 1999 17:22:24 -0500



M. Bruno wrote:

> Hello all,
>
> Considering the recent interest in monitoring band openings and DX
> opportunities,
> I decided to update my LF utility station list. The list covers from 110 to
> 148 kHz.
> Thanks to Peter Bobek and  Gamal Soegiono for data on German stations.
> All signals have been received in last two weeks and checked today.
>
> Corrections, monitoring reports and help in identifying the unids are welcome.
> I expect to repost this list every couple of months.
> -----------------------------------------------------------------
>
> 111.250 rtty shift 170 (Warsaw meteo, POL) 40 kW
>
> 112.740 - 113340 - 113820 -114200 - 114300 - 114535 - 114940 - etc. until
> 117.400:
> Carriers and CW navigation signals (are all this pertaining to DECCA chains?)
>
> 118.800 unid RTTY (NELS reports London, 00,167 W, 51,500 N, 39,81kW - ?)
>
> 122.300 unid RTTY (is this part of the DCF42 signal? - NELS reports 4
> stations)
>
> 122.500 PSK USB + pilot tone (DCF42, Mainflingen) power? - service is
> differential GPS
>
> 126.550 - 126.415 - 126.685 - 126.825 - 126.965 - 127.245 - 127.500 -
> 127.780 - 127. 910 128.050 - carriers and CW navigation signals like
> 112-117 kHz band (DECCA again?)
>
> 129.100 rtty shift 300 (DCF49, Mainflingen, same mod as 139.000,) 100 kW -
> mark frq 128.930
>
> 129.525 rtty 50 bd shift 150 (SOA212, Warszawa Meteo, POL) power?
>
> 129.780 unid RTTY shift 100 Hz
>
> 135.750 rtty Greek Navy (Marathon, Sparta) 5/10 kW - it has been off-air
> for several days,
> then switched on yesterday at 2120 UTC, showing frequency and level
> instability during
> first minutes. The signal in NW Italy is usually 20 dB less respect to
> DBF39. May be a good
> propagation indicator.
>
> 139.000 rtty shift 300 (DBF39, Burg) 100 kW - mark frq 138.830 +/- 2 Hz -
> telecontrol
>
> 140.220 carrier (DCF60, Mainflingen ?) 20 kW ?
>
> 141.400 unid RTTY shift 100 Hz
>
> 143.890 unid carrier (NELS reports London with 40 kW)
>
> 147.300 rtty 50 bd shift 85 (DDH47, Hamburg meteo, D) 50 kW
>
> ----------------------------------------------------------------------
> I have not considered the intermod signals like 136.040 and so on,
> generated by the
> German transmitter site.
>
> The powers are derived by the NELS page and from other communications, and are
> obviously indicative. The indicated power should be ERP, I suppose (?!?).
>
> 73 - Marco
>
> Marco Bruno - IK1ODO
> spin@inrete.it
>
> SPIN Electronics - www.spin-it.com