[Boatanchors] NDB's was LightSquared - Loran

Al Klase ark at ar88.net
Fri Oct 12 14:38:30 EDT 2012


Hi Bill,

The non-directional beacons seem to be alive and well.  They lie between 
about 200 and 450 KHz, and broadcast their ID's in Morse (MCW).  A while 
back I dug up a list, moved it into Excel, and sorted it alphabetically 
by ID.  So, you just copy an ID off the air and look it up.  You can 
grab my list here: http://www.ar88.net/NDB%20Alphabetic.xls

My list is not at all up-to-date.  See sites like 
http://www.dxinfocentre.com/ndb.htm for fresh info.

The Navy RAL is equally impressive on the lower part of the HF spectrum 
for CW.

Have fun,
Al

On 10/12/2012 1:12 PM, Bill Cromwell wrote:
> Hi,
>
> I acquired my RAK-7 specifically to play with LORAN at 100 kc. I had a
> bad attitude toward regens (three very poor samples was enough for me)
> and I would have not taken the RAK home if I had known it was a regen.
> It was dark when I picked it up. When I got time to play with it the
> next day that big, honkin' knob labeled "Regeneration" was pretty
> obvious. So..."what the heck" I gave the RAK a dance. Now I have the RAK
> and an SW-3 and I have another HF regen under construction using the RAL
> as a guide (slow progress). I'm not interested in a one lunger.
>
> I ended up using it for listening to maritime and shore station traffic
> much more than the LORAN. I have recently dusted it off and started
> using it again. After all these years it is still running on all the
> original parts!! I used interpolation to dial up WWVB and it's right
> where the dial says it should be<G>. I hear some of the transmitters
> doing experimental work near 600 meters and down around 170 kc, too. I
> thought I heard an NDB or two but I don't know what I should be
> listening for with those. When 600 meters gets here the RAK and the R-23
> will have a new lease on life.
>
> 73,
>
> Bill  KU8H
>
> On Thu, 2012-10-11 at 23:57 -0700, Drew P. wrote:
>> Richard Knoppow wrote:
>>
>> "I used to hear Loran-A all the time, it had what music
>> people call a phasing or flanging effect so that the pitch
>> of the pulses ran up and down cyclically.  It was a great
>> signal for testing noise limiters. I could just barely hear
>> a Loran-C station on my BC-779 but I did not attempt to make
>> any sort of LW antenna. I have no idea where that station
>> was but the Loran-A station must have been in San Pedro
>> because it was consistently very strong both day and night."
>>
>> In my location, 2 stations could be received on one channel; these of course had different pulse repetition rates. One transmitter's pulses "catching up to and passing by" the other transmitter's pulses gave that distinctive rise-and-fall sound or flanging.  On another channel, I could only hear one transmitter; there the signal sounded "flat".
>>
>> Drew
>
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-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/



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