XES and XFX in Maryland
Posted by lloyd chastant on September 01, 2004 at 07:51:57
I did not run overnite but took a look this morning and had copy on XES and some partial copy on Eric"s XFX on 137.780.8 ..I did not see any indication of Eric's on the Grabulator at the time...but maybe the season is beginning to start :-)
de Lloyd W3NF
XFX capture
Posted by lloyd chastant on September 02, 2004 at 09:13:31
My Argo capture of XFX last nite is posted at
www.geocities.com/lacwman/xfxsep2.jpg
Distance about 1071 miles hr in Maryland de Lloyd W3NF
Re: XFX capture
Posted by Eric KD5UWL on September 02, 2004 at 19:28:08
Thanks, Lloyd! Good capture.
Thanks for listening -- and "come on winter!"
73 Eric
LF Experiments from Oklahoma
Posted by Mike E Terry on September 03, 2004 at 17:21:14
Laurence Howell, GM4DMA and now KL1X/5, has received an experimental permit to operate at up to 5 watts ERP in the 135.895 to 137.785kHz band. His location is Northern Oklahoma and the experimental callsign is WD2XDW. The permit is valid until 1 August 2006.
(RSGB)
HiFer PA1SDB copied in Maryland
Posted by Larry Putman (fwd) on September 05, 2004 at 22:50:57
Subj: [Hifer] HiFer PA1SDB copied in Maryland Date: 9/5/04 6:56:57 PM Eastern Daylight Time To: hifer@lwca.org
Last night I was able to copy Peter PA1SDB 1.8 milliwatt Hifer beacon 3870 Miles at 46 degs JO33! He was on 13.555.440 ~ see the details of his setup and the capture at his website. http://hifer-nl.8k.com/
Propagation was only fair and there was only one appearance of his signal, which was about 2210 UTC. I was using my dipole @ 27'
73
Larry WB3ANQ FM19rc
XSR, XFX Copied in Maine
Posted by John Andrews on September 07, 2004 at 12:01:58
While in Maine over the weekend, I copied Ralph Hartwell's WC2XSR on 166.500 kHz. Best copy was around sunrise, with the XSR ID clearly visible.
Eric Smith's WD2XFX was "just" visible on Monday morning. A screen shot may be seen at:
http://webpages.charter.net/w1tag/files/XFX090604.jpg
For those who would like to know what WD2XES' CW signal sounds like at 130 miles (with 150 watts):
http://webpages.charter.net/w1tag/files/XESinME.mp3
John Andrews, W1TAG/WD2XES
VE7TIL 137Khz beacon
Posted by Laurence KL1X/5 on September 08, 2004 at 17:54:53
137 Khz "TIL" from Vancouver Copied here in Oklahoma just before dawn on the 5th - range is around 2600Kms. The opening was short and lasted one cycle of ID. The 5th was also a good day for long haul to Europe with strong audible signals from dcf39 on 138.83, previous good days were the 29th and 30th Aug - since the 5th conditions have been only fair for paths >2000Kms. Cheers Laurence Em26aq okie-homa
German Longwave Activity Day on 18 September
Posted by Mike E Terry on September 10, 2004 at 14:21:52
The DARC Hohenstaufen club is holding a long-wave activity day from 1200UTC on Saturday 18 September, for 24 hours. DK0UH will be on 136.5kHz on conventional CW and on 137.7kHz using QRSS3, where one CW dot lasts three seconds. An HF station will be active on 7021kHz and those receiving the 136kHz signals are asked to send soundfiles and spectrogram pictures by e-mail to DK8ND@web.de
(RSGB)
diurnal variation at 18300 [Hz]
Posted by Herman Meijer on September 10, 2004 at 18:22:22
I'm monitoring the amplitude of a signal at 18300 [Hz] with Spectrum Lab and wonder what is the meaning of the extra dips and peaks in my plots just before sunset and just after sunrise.
Can anyone help me with some suggestions or refer me to some suitable sites about this subject?
Re: diurnal variation at 18300 [Hz]
Posted by Alan G3NYK on September 10, 2004 at 21:19:30
Hi Herman, How far are you from HWU the French Navy station "LeBlanc" believed to be at Rosnay?? You are probably seeing a change in propagations from daylight to nightime, when effectively the width of the LF "waveguide" increases by almost a factor of 2. If you are within 1000km you will see some (optical) interference effects which cause peaks and dips in the signal as different path-lengths arrive with different phases.
Regards Alan G3NYK
Navtex/Twb/etc website changed
Posted by William Hepburn on September 13, 2004 at 10:35:25
Hi folks... I've moved my DX Information Centre website to a new location. Please update your bookmarks...
http://home.cogeco.ca/~dxinfo/
Cheers,
Bill.
3some in Maryland
Posted by lloyd chastant on September 14, 2004 at 07:56:37
Checked the 137 window this morning and had copy on XFX,XES and XDW for a threesome ..so maybe the season looks good for a start de Lloyd W3NF FM19MH
Re: 3some in Maryland
Posted by lloyd chastant on September 14, 2004 at 09:30:10
I put the 3some capture on
www.geocities.com/lacwman/3some914.jpg
de Lloyd W3NF
Lowfer Documentary-Thanks
Posted by Kevin Carey on September 14, 2004 at 16:47:56
I have located a copy of the Lowfer Documentary tape. Thanks to all who wrote me with suggestions.
73 & best LW DX,
Kevin
Manxman seeks alternative funding
Posted by Mike E Terry on September 15, 2004 at 17:13:02
8 September 2004
Isle of Man International Broadcasting, the company behind the Isle of Man longwave station MusicMann 279, has withdrawn its public offering. The company launched a prospectus in June this year and had planned to issue 18.6 million shares on the AIM next year.
The offer was withdrawn after only a month with the company claiming that restrictions in offer documents, as laid down by the financial regulators, prevented a full story of the station's potential being told. The Isle of Man International Broadcasting Company holds a licence to broadcast for 10 years and is proposing to broadcast from a rig off the Isle of Man coastline.
Read the full story in this week's issue...
http://www.theradiomagazine.co.uk/News.htm
VLF - analog or digital?
Posted by robiH on September 17, 2004 at 16:23:49
In the broadcasting spectrums it is a common habit to make a distinction between analog and digital broadcasts.
Whether VLF utility transmissions are to be subsummized as analog or as digital trransmissions, does not really come clear to me.
One answer I got on a German radio board was:
Analog modulation, Digital payload.
I am not sure if I shall subscribe to this point of view.
Any opinions?
Successful test transmission on 21.1 kHz on September 10th, 2004
Posted by Fritz Müller on September 17, 2004 at 16:49:37
On September 10th, 2004 I succeeded in a test transmission on 21.1 KHz. I connected therefore the output of a marten repeller module via a 100 metre long cable with the fences of a playing field, approximately 100 metres apart. Then I switched the anti marten-repeller, which I trimmed toward 21100 Hertz on, by connecting it toward a 9 Volt battery. The output current flew instead through an ultrasonic speaker now through the fences in the ground and so I reallized a ground dipole. The reception PC was approximately 1.3 kilometres apart. As you can see on the spectrogram, the signal on 21.1kHz is clearly visible.
Data of spectrogram Date: September 10th, 2004 Aerial: Inductive aerial. Axis of coil showing toward East-West direction Sampling frequency: 48 kHz FFT-size: 8192 Time: UTC + 1 hour
Re: VLF - analog or digital?
Posted by on September 17, 2004 at 19:19:07
Digital signals are commonly transmitted using amplitude, frequency and phase modulation. Any one of those modes may be used at a time, or in combinations of all three. While those modulation modes are also used in analog transmission, digital data is sent by switching between defined states. In the digital realm, for example, amplitude modulation is generally either on or off. Frequency modulation switches between two or more discrete frequencies. Phase modulation may run in steps of 180 or 90 degrees. This differs from the analog case, where those parameters may vary in a continuous fashion, rather than in steps.
The data modes used at VLF are digital.
John Andrews
vlf preamp
Posted by scott on September 17, 2004 at 19:26:31
Hello Everyone,
New to VLF and looking for a preamp that I could put inline with a BCB filter. It must have a 50 ohm input and output, a gain control , and obviously would be broad banded enough for VLF. I have seen a few circuts but all had high impedance inputs for a whip or wire. Im not too engineered minded enough to know how to change that part of the circut so I was wondering if there was such a thing that I am looking for.. Thanks for the help... Scott.W.
Re: Successful test transmission on 21.1 kHz on September 10th, 2004
Posted by John Andrews on September 17, 2004 at 19:36:49
Fritz,
That's an interesting test of induction field transmission. In the U.S., we are limited to a field strength of 114 microvolts/meter at 300 meters at that frequency. Since the measuring equipment used for such measurements actually measures magnetic fields, the "114 uv/m" reading on the meter would correspond to 0.302 microamps/meter. While that relationship is based on far-field conditons, the meter doesn't know that, and will dutifully read an induction field. The government engineer will, of course, rely 100% on his meter reading!
I'm just pointing out that the limits (at least in the U.S.) are fairly low, and some caution needs to be taken if significant power is used. Also, the harmonic content needs to be watched, as the limits are tighter as the frequency is increased.
John Andrews
Re: vlf preamp
Posted by Alan G3NYK on September 18, 2004 at 11:22:28
Hi Scott, I am afraid I would have to ask what aerial you are expecting to use it with that will be 50ohms at VLF??
But that aside, a matching unit can solve that problem. The simplest 50 in / 50 out preamps are to use something like a MARx device with big coupling capacitors. This is outlined in one of the early RSGB LF Sourcebooks(handbooks). The only worry I have (I have not used these at such low frequencies) is that as these have a very high frequency capability there may be some stability problems. You would probablly be looking for coupling caps of 1uF and even then these will give a 3dB point of about 3kHz (I think) I think in some cases the matching of the aerial impedance to the feed line is done in the preamps, hence either high impedance for E-field or low impedance for (some) loops. The filters are usually put after the preamps where the impedance is more under control. Thus the pre-amps need good large signal handling capabilities.
Cheers de Alan G3NYK
Re: vlf preamp
Posted by John Andrews, W1TAG on September 18, 2004 at 12:51:01
Alan, Scott,
A possible preamp schematic is posted at:
http://webpages.charter.net/w1tag/pix/W1VDPRE.jpg
I have used this at LF for two years with excellent results. In my case, my loop antennas are designed to work into a 50 ohm load.
But as Alan indicates, the MAR and similar devices should be OK if you can keep them stable at higher frequencies.
Another possibility would be a common-base amplifier driving a low-noise op amp. The post-mixer amplifiers used in Rick Campbell's "R2" direct conversion receivers do quite well at VLF/LF.
John Andrews
Re: vlf preamp
Posted by scott on September 18, 2004 at 15:10:53
Hi Allen and John,
Thanks for your replies and great information. The reason I needed 50 ohms in and out was, the output of the preamp would be feeding the receiver which has a 50 ohm input, and I just bought a BCB filter that will go in front of the preamp and that filter has a 50 ohm output. So the chain of circuts will be antenna, tuner, filter, preamp, radio. So the preamp needs a 50 in 50 out. I probably could have made a filter as I have seen a few easy circuts but this one is a nice one that will take out the BCB only and leave everything above and below alone so I can DX shortwave too. I have searched for VLF preamps and found a few but they all were made to have a antenna at the input{high Z} then feed the radio. Here in the city I cant feed the radio with a high gain preamp without any filtering in front of it. Too much interference from the AM band. Although I have been getting some good DX latley it has been hard with the hetrodyne. Cant wait to try the filter. I may not need a preamp but it would be nice to have on those marginal signals. Well thanks again and good DX.. Scott.
Philco/Sierra 127C FSV schematic?
Posted by Frank Cathell on September 18, 2004 at 18:15:59
I'm looking for the schematic for the Philco/Sierra model 127C Frequency Selective Voltmeter. Will pay for copying and mailing.
Thanks,
Frank K3YAZ Tucson, AZ
Navy to shut down ELF in Michigan
Posted by Zack Schindler N8FNR on September 19, 2004 at 11:48:11
(Excerpted. Read full story at:
http://www.detnews.com/2004/metro/0409/18/metro-277192.htm)
Navy to shut down radio transmitters
CLAM LAKE, Wis. -- The U.S. Navy said Friday it will turn off two submarine communication systems in northern Wisconsin and Upper Michigan later this month and permanently dismantle them because they are outdated and no longer needed.
The Navy’s extremely low frequency (ELF) radio transmitter in the Chequamegon National Forest near Clam Lake has been the site of repeated demonstrations by anti-nuclear weapons activists. The Navy also will shut down a similar transmitter in Michigan’s Escanaba State Forest near Republic.
Radio transmissions from the sites will cease Sept. 30. It could take the Navy up to three years to permanently close down the sites.
All communications with submarines will now be done with 12 “very low frequency” transmitters located worldwide.
For years, people have been routinely arrested for trespassing in acts of civil disobedience at the 13-acre Clam Lake site. Critics have contended the system is for use during a first-strike nuclear attack, became obsolete with the Cold War’s end and may cause health and environmental problems.
The Navy began using the $400 million system in 1989. The annual operating costs for both ELF transmitters is $13 million. Each site has one Navy worker and 27 civilian contractors.
Project ELF was scaled down from the original 1960s plan, which included a grid of 6,200 miles of buried cable and 100 transmitters that would withstand a nuclear war. In earlier times, it was called Project Seafarer and Project Sanguine.
©2004 Associated Press
Re: vlf preamp
Posted by Alan G3NYK on September 19, 2004 at 18:57:22
Hi Scott that makes a lot of sense. It should make quite a difference to get some good filtering in front of the RX. You might have a look at the article by Jim Moritz M0BMU (a keen 137kHz addict)which is I think in the library section of the site. I think it is referenced from the HomePage. Jim has built some loops that use the loop inductance and have a low-pass configuration, which may help further to reduce the the MW BC problems. Jim is a expert in these things and he lives "just over the fence" from BBC Brookmans Park the N.London MW BC site. He gets B I G signals on MW, we joke he has a secret connection to their earth mat !! Well he does put out a walloping great signal on 137kHz.
Good Luck Alan G3NYK
137 group
Posted by lloyd chastant on September 21, 2004 at 06:33:09
Had nice copy on XDW last nite about 10PM local and then saw XES come on about 10:10PM Then this morning all 3 XFX,XES and XDW coming through very nice just as the Grabulator is showing hr in Maryland..Guess the cool clear weather hr nice for conditions..
de Lloyd W3NF
XDW
Posted by Laurence KL1X/5 on September 21, 2004 at 15:39:40
WD2XDW on +24hrs qrss 60 sec dots 2:1 dash dot ratio
137.7752 Khz GPS referenced from 2032Z Tuesday . "XDW" and Full call CW 6wpm at beginning of sequence. Ive moved up 0.2Hz to clear Russian Loran line. Cheers Laurence, Bartlesville OK EM26AQ
Re: vlf preamp
Posted by <daver73769@mac.com> Dave Rickett on September 21, 2004 at 16:20:29
A Signal Flex acoustic guitar preamp is ideal as a vlf preamp. It is powered by a lithium button battery which makes it well isolated from 60 Hz noise and gives a voltage gain of up to 10 along with treble, mid, and bass filtering. It is only about 1.5"x5" with 1/4" Phone plug connectors. It also is inexpensive. Get it at a guitar store or online.
Dave Rickett
FN: Anyone else log this beacon?
Posted by wb7tog Scott W. on September 22, 2004 at 01:14:15
I have logged this beacon several times and cannot find it in the ndb data base. Anyone else know of this beacon or am I hearing things? FN at about 399khz.
Re: FN: Anyone else log this beacon?
Posted by lloyd chastant on September 22, 2004 at 14:36:52
I show FN as being at Fort Collins, Colo at 400Khz.
de Lloyd W3NF
Re: FN: Anyone else log this beacon?
Posted by wb7tog Scott w on September 22, 2004 at 17:46:31
Thank you lloyd!,
Mystery solved.. I wasnt hearing things after all{Hi}.,The air nav data base didnt have it.. If you have time let me know your source for that. All I have right now is the Air nav and canadian data base, and a list in text form of some others. Thanks again.. 73s Scott
Re: Successful test transmission on 21.1 kHz on September 10th, 2004
Posted by Fritz Müller on September 19, 2004 at 18:36:39
Why do you not publish my spectrogram?
Re: Successful test transmission on 21.1 kHz on September 10th, 2004
Posted by Webmaster on September 22, 2004 at 23:28:12
>>> Why do you not publish my spectrogram? >>>
From the Frequently Asked Questions file:
"Previously, we would manually add live links or images to posts when readers requested them, but this is a time-consuming practice which we had to suspend for the foreseeable future."
I do not know when or whether we will resume doing this. The best solution in the interim is to upload the image to personal Web space, if offered by your Internet provider, or to one of the sites that exists specifically for posting personal images. Then, include the URL of the picture in your message, in the form of:
www.sitename.com/username/picturename.jpg
...so readers can copy the URL from your message and paste it into their browser's address window.
Re: FN: Anyone else log this beacon?
Posted by lloyd chastant on September 23, 2004 at 14:05:01
Scott, several years back I downloaded a NDB database and have it on my system..I don't seem to have where or how I got that and it would be nice to update it but I have no idea how or where to get that..So bottom line is thats where FN shows...and it seems after looking a bit on the internet I still did not run across as nice a database as what I have...:-)
But you might ,if you haven't try several of the Google listings of a NDB or NDB database search If I run across any additional info I'll pass it along to you Ok de Lloyd
Hifer ESA copy in Maryland
Posted by lloyd chastant on September 23, 2004 at 23:19:25
Checked Jim's Hifer frequency-13565.960- tonite and had a nice copy on his CW ID ..some fading but nice copy.about 2410 mi(i think)
de Lloyd W3NF FM19MH
Re: FN: Anyone else log this beacon?
Posted by wb7tog scott on September 24, 2004 at 18:34:30
Thanks lloyd,
Sounds like a great database. Ill try another search, as I have come across yet another ndb that is quite clear{EL}. But it is listed in New York and on another frequency than I received it on. I got it on 243, but it is listed on 269. I would like to think its in new york as it would be a very long haul to Phoenix. 73s Scott
Re: FN: Anyone else log this beacon?
Posted by Lyle Koehler on September 24, 2004 at 19:45:45
According to the World Aeronautical Database at http://worldaerodata.com/ there are three "FN" NDBs in the United States. None of them on 243m though...
Re: FN: Anyone else log this beacon?
Posted by scott on September 25, 2004 at 01:28:43
Hi Lyle,
The ndb of "FN" was found on 400. Lloyd said it was Fort Collins Co. The 243 I am looking for is "EL". It is listed in New York on 269, but I am getting a EL on 243. 73s
Re: FN: Anyone else log this beacon?
Posted by Lyle Koehler on September 25, 2004 at 09:27:18
Probably you are hearing the EL beacon in Texas on 242 kHz that is listed in the World Aeronautical Database I referenced in a previous message. That database appears to be fairly complete.
World Aeronautical Database
Posted by Eric KD5UWL on September 25, 2004 at 11:41:45
Thanks to Lyle K0LR for pointing out the World Aeronautical Database in the "FN: Anyone else log this beacon?" thread -- perhaps someone pointed that out before, but I missed it until now.
...and it's great! I'm finding beacons in this database that were not found in the Airnav db. For example, I've been hearing "SW" on 255 here in OK, and it was not listed in Airnav, but is in this "new" one.
BUT -- can anyone explain what the heading is at the top of each beacon table, in blue? Some of them look like geographic locations ... others, well -- I'm not so sure.
Anyone know what these are???
Thanks -- and thanks, Lyle, for the link!
Eric
Re: World Aeronautical Database
Posted by John Davis on September 25, 2004 at 13:02:31
>>> can anyone explain what the heading is at the top of each beacon table, in blue? Some of them look like geographic locations ... others, well -- I'm not so sure. >>>
Most of them are the city or other political subdivision of the airport, but it appears that where an airport has VORTAC, that ID is associated with the geographical name and some other designation is used for the NDB in this list. I'm not sure what the significance is, but will keep an eye out.
By the way, the reason the Navaids site doesn't list many of these 2-letter idents is because they go strictly by the FAA NDB data, and many of these are markers, not technically NDBs. One should use both databases where possible, as the DoD data are one step removed from the official civilian data; the FAA info may be more current or accurate in a few cases.
John
Re: World Aeronautical Database & Other Good Ideas!
Posted by Webmaster on September 25, 2004 at 13:14:16
This illustrates an important point. When you're browsing the Web and come across a useful site like this, don't just think, "ho hum, something else that isn't mentioned on the LWCA pages." Do like Lyle did and let us know about it in these boards!
We are the portal site for longwave on the Web. That doesn't mean we try to have everything right here in one location, but we do try to point readers to the resources they need. This link, for example, will be added to the NDB section of the LF Utility page this weekend.
Even better, also drop a note to webmaster@lwca.org, to ensure that I see it more quickly. (Sometimes a good piece of information like this shows up kind of far down the list in an older thread, and doesn't get noticed right away.)
Thanks for helping make this site more useful.
XES Jason
Posted by lloyd chastant on September 25, 2004 at 14:43:15
Nice solid copy on XES Jason mode(137.520) this afternoon hr in Maryland
WD2XES WD2XES HOLDEN MASS FN42CH on 137.520 KHZ...
de Lloyd W3NF
Re: Navy to shut down ELF in Michigan
Posted by Michael St. Angelo on September 27, 2004 at 16:34:43
The posting mentioned 12 "very low frequency' transmitters.
I'm aware of the vlf transmitters in Maine, Washington and Hawaii. Does anyone know where the other transmitters might be located?
Thanks
"IP" on 201khz?
Posted by Scott on September 28, 2004 at 03:00:04
OK you guys, I looked at all the sources I have and the ones listd on lwca and cant find this beacon. It is loud and clear on 201khz 2 letter Id of "IP" .., .--. I have found some IPs listed but not on 201. Any Ideas? Good hunting.... Scott
7 hifer capture
Posted by lloyd chastant on September 28, 2004 at 22:56:54
Here is a nice capture of 7 hifers tonite hr in Maryland
www.geocities.com/lacwman/hifers928.jpg
de Lloyd W3NF
Re: Navy to shut down ELF in Michigan
Posted by Richard, VE7ZEP on September 29, 2004 at 04:35:46
I have downloaded an RTF formatted text file from:
www.wunclub.com/archive/files/ELF-VLF-GUIDE-v1.0.rtf
and it lists many stations but all are listed as "not active", however, the file is dates 2001. I wonder if the US Navy is talking about their own equipment or NATO joint use transmitters?
Frequency Readout Differences?
Posted by Richard, VE7ZEP on September 29, 2004 at 05:49:25
Hi all, I have a question for anyone who can answer it. I'm using an Icom IC-R71A HF rxvr connected to an IsoLoop 14-30 loop antenna (14 MHz to 30 MHz). I am tuned to 13.555 MHz CW (narrow) mode and have the audio routed from the "REC" output jack to the microphone jack on my soundcard. I am using Argo V1 Build 134 and Spectran V2 Build 212 running in QRS3 mode. Using a 1.2 GHz AMD Athlon based WinXP/Pro machine.
Looking at the Argo screen, I pick up a distinct "twisted rope" pattern at 772 Hz (slight doppler noted..) but on the Spectran screen, it picks up the same distinctive signal at 752 Hz.
What's going on? Which one is right?
Pictures of former OMEGA transmitters
Posted by Harald on September 29, 2004 at 05:58:08
Where can I found pictures of former OMEGA transmitters in the internet?
Re: Frequency Readout Differences?
Posted by John Andrews on September 29, 2004 at 08:56:04
Richard,
As a starting point, tune the receiver to WWV on 15 MHz. You should then see a strong line on Spectran at the audio frequency corresponding to the BFO pitch on your receiver. Be aware that there will be a lot of fainter lines on either side of the bright one; ignore those!
Let's say that you have the R71's bfo offset at 700 Hz. The line from WWV will be (hopefully) near that on the Spectran screen. There is a setup button on Spectran which will give you a screen that (among other things) allows you to program an offset to make the calibration correct. You also have a USB/LSB option on that screen in case the tuning turns out to be upside-down.
If you now go back to the 13.555 MHz range, you should be able to find beacons by tuning the receiver to the published frequency for the beacon. Use the MedFer/Hifer list on this LWCA site as a guide. Once you find one station and play around, you will become an "expert" fairly quickly.
John Andrews, W1TAG
First Wolf of season XES
Posted by lloyd chastant on September 30, 2004 at 19:57:21
XES Wolf copy hr in Maryland tonite
·C:\Wolf>wolf -q 930.wav -r 8001.64 -f 800.059 WOLF version 0.61 XES Wolf copy by W3NF 9/30/2004 2315z t: 24 f:-0.003 a:-0.2 dp: 95.9 ci: 5 cj:463 WD2XES WOLFING -
t: 48 f:-0.002 a:-0.2 dp: 95.5 ci: 5 cj:463 WD2XES WOLFING -
t: 96 f:-0.002 a:-0.2 dp: 95.0 ci: 5 cj:463 WD2XES WOLFING -
t: 192 f: 0.000 pm: 531 jm: 34 q: 7.1 7.1 WD2XES WOLFING -
t: 288 f: 0.000 pm: 874 jm: 34 q: 10.0 9.9 WD2XES WOLFING -
t: 384 f: 0.000 pm: 1226 jm: 33 q: 11.3 11.1 WD2XES WOLFING -
t: 480 f: 0.000 pm: 1635 jm: 33 q: 12.2 12.2 WD2XES WOLFING -
t: 576 f: 0.000 pm: 2050 jm: 33 q: 13.2 13.3 WD2XES WOLFING -
t: 672 f: 0.000 pm: 2300 jm: 33 q: 13.9 14.0 WD2XES WOLFING -
t: 768 f: 0.000 pm: 2550 jm: 33 q: 13.8 13.5 WD2XES WOLFING -
t: 864 f: 0.000 pm: 2908 jm: 33 q: 14.4 14.3 WD2XES WOLFING -
t: 960 f: 0.000 pm: 3270 jm: 33 q: 14.9 14.9 WD2XES WOLFING -
t:1056 f: 0.000 pm: 3488 jm: 33 q: 15.4 15.3 WD2XES WOLFING -
t:1152 f: 0.000 pm: 3685 jm: 33 q: 15.7 15.6 WD2XES WOLFING -
t:1248 f: 0.000 pm: 3990 jm: 33 q: 15.8 15.8 WD2XES WOLFING -
t:1344 f: 0.000 pm: 4118 jm: 33 q: 15.9 15.9 WD2XES WOLFING -
t:1440 f: 0.000 pm: 4254 jm: 33 q: 16.0 16.1 WD2XES WOLFING -
t:1536 f: 0.000 pm: 4406 jm: 33 q: 16.3 16.3 WD2XES WOLFING -
de Lloyd W3NF FM19MH
Re: Pictures of former OMEGA transmitters
Posted by Tim Brannon KF5CQ on September 30, 2004 at 23:25:33
Harald,
Here's one:
http://www.mckerracher.org/images/omega.jpg
I believe this was the OMEGA station in Australia, based on the text of the associated web page at http://www.mckerracher.org/album/1980s.html
You might also like this map of the former sites:
http://www.lpi.ac-poitiers.fr/ateliers/aps/pages/omega.html
I found these using Google; first click on Images, then enter "OMEGA vlf" as the search terms. I'm surprised there were not more... you might play around with different terms in Google.
73,
Tim KF5CQ
www.lwca.org
potrzebie