RE: High power low frequency transmitters

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "james brady by way of Terry Fritz <teslalist-at-qwest-dot-net>" <james_brady10-at-hotmail-dot-com>




Wow, it's own power plant. So, if I had my own power plant for a TC. Hmm.......





 >Original poster: "Mccauley, Daniel H by way of Terry Fritz
 >"
 >
 >
 >Or you could go really low. I actually got to see the WMT ELF
 >transmitter
 >during a trip for my company once
 >up in michigan. Transmitting at a mere 76 Hz ! ! ! Now that is
 >low!!!
 >Needs its own dedicated power plant
 >to run! On a side note, if you remember watching "Hunt for Red
 >October",
 >there is a scene where the communications
 >officer says he is receiving a voice message through the ELF.
 >Obviously a
 >major error in the movie.
 >
 >Dan
 >
 >
 >
 >
 >Do a web search for Omega Navigation Transmitter to turn up some
 >interesting stuff. Compared to these guys, we in the TC business
 >are mere
 >pikers.
 >
 >And, compared to AM radio broadcasters at 500-1500 kHz, we are also
 >feeble:
 >
 >A whole web page about WLW..http://www.ominous-valve-dot-com/wlw.html -
 >"...
 >Transmitter logs were pretty exciting reading, telling of
 >antenna-house
 >fires, hurried repairs on still-dangerous circuits, and rushed
 >replacement
 >of various melted or exploded parts." (sounds like tesla coiling to
 >me...)
 >
 >
 >http://www.oldradio-dot-com/archives/hardware/WE320A.htm has a
 >description of
 >the mighty WE320A, which some of you may covet for that truly big
 >tube
 >coil..18 kV-at- 15 amps on the plate.
 >
 >"Continental Electronics has delivered AM transmitters at the 2
 >Megawatt
 >level to the broadcasting organizations of several countries. It is
 >reported that several fought a tendency for this level of RF power
 >to melt
 >and fuse the insulators and sand around the tower."
 >
 >"Longwave - Radio Luxembourg is said to run a 2 Megawatt transmitter
 >on
 >this band."
 >
 >Getting closer to typical tesla coil frequencies:
 >
 >According to WRTH-2000 the following stations transmit on 153 kHz:
 >Bechar, Algeria 1,000 kW
 >Bod, Romania 1,200 kW
 >Donebach, Germany 500 kW
 >Taldom, Russia 300 kW
 >Ufa, Russia 300 kW
 >Komsomolsk, Russia 1,200 kW
 >Ashgabat, Turkmenistan 500 kW
 >
 >
 >And of course, though most of these use tubes, there are some solid
 >state
 >transmitters in this power class:
 >"s2one specializes in DTV, but we also have expertise in analog TV
 >and
 >radio servicing. In fact, our past work history includes servicing
 >the
 >world's first solid state, 1 megawatt AM transmitter."


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