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de draaggolf ~~~~~Joachim's Ham-Radio and Radio-Frequency Blog (A Solderful of Secrets) - from Longwave to Microwaves
http://draaggolf.blogspot.com/
Joachim's Ham-Radio and Radio-Frequency Blog (A Solderful of Secrets) - from Longwave to Microwaves
http://draaggolf.blogspot.com/
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de draaggolf ~~~~~ | draaggolf.blogspot.com Reviews
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Joachim's Ham-Radio and Radio-Frequency Blog (A Solderful of Secrets) - from Longwave to Microwaves
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de draaggolf ~~~~~: PVC Pipe Nightmares
http://draaggolf.blogspot.com/2014/03/pvc-pipe-nightmares.html
De draaggolf . Joachim's Ham-Radio and Radio-Frequency Blog (A Solderful of Secrets) - from Longwave to Microwaves. Thursday, March 13, 2014. What is going, first he told us how cool those pipe are, and now nightmares? What is going on? Very simple, when pushing one inferior variable to the best possible, another one will take the place of being the disturbing one. the one that spoils all the fun and excitement. Well, this time, it was the stereo that was driving the fun, as I thought. The "Speaky" H...
de draaggolf ~~~~~: March 2014
http://draaggolf.blogspot.com/2014_03_01_archive.html
De draaggolf . Joachim's Ham-Radio and Radio-Frequency Blog (A Solderful of Secrets) - from Longwave to Microwaves. Sunday, March 30, 2014. 3 Inch HiFi PVC Pipe - The Alphorn (MLTQWP). Finally I found some time to tell/show a little bit more about the speaker enclosures I was bragging about so much lately. Analogy between a quarter-wave vertical and a quarter-wave speaker enclosure. In acoustics loudspeaker chassis are called drivers) creates pressure waves (green) somewhere in the middle of the "con...
de draaggolf ~~~~~: April 2014
http://draaggolf.blogspot.com/2014_04_01_archive.html
De draaggolf . Joachim's Ham-Radio and Radio-Frequency Blog (A Solderful of Secrets) - from Longwave to Microwaves. Wednesday, April 2, 2014. Finally: The PEx/Al/PEx Loop! Yeah, that was a good one today. I took a couple off work and finally got to build my long planned magnetic loop aerial made from the recently discovered light weight copper subsitute PEx/Al/PEx. Just to remind you, this means that 2 capacitors are in series, i.e. they don't add up their capacities, they do this instead:. Back to t...
de draaggolf ~~~~~: October 2013
http://draaggolf.blogspot.com/2013_10_01_archive.html
De draaggolf . Joachim's Ham-Radio and Radio-Frequency Blog (A Solderful of Secrets) - from Longwave to Microwaves. Saturday, October 26, 2013. What is a QSO nowadays? Not sure, in particular when talking QRSS. The latest fashion seems to communicate via an online grabber. This this a QSO? I don't think so, for the following reasons:. Both stations have contact to the grabber, which is rather an automated SWL connected to the internet. The online grabber does not repeat a signal per se. 47 Amps Power...
de draaggolf ~~~~~: January 2014
http://draaggolf.blogspot.com/2014_01_01_archive.html
De draaggolf . Joachim's Ham-Radio and Radio-Frequency Blog (A Solderful of Secrets) - from Longwave to Microwaves. Wednesday, January 29, 2014. Update: Flower Pot Heater. The last few days, I experimented a bit with the flower pot heater. actually, I turned the one heater into two! All experiments were done whilst my central heating was set to "frost protection". In the next iteration of experiments, I used only 2 pots, the smallest and the second to largest. Also, I reduced the amount of metal ...
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qrp-gaijin: Building a 7 MHz small transmitting loop antenna, part 2
http://qrp-gaijin.blogspot.com/2015/01/building-7-mhz-small-transmitting-loop.html
Building a 7 MHz small transmitting loop antenna, part 2. I did some more exploratory work on the mechanics of constructing my 7 MHz small transmitting loop. Fitting copper pipes together. The copper pipes I am using are 6mm in diameter with a wall thickness of 0.5 mm. This means that the inner diameter should be 5mm. Therefore, I needed to swage open the ends of the 6mm copper pipe, creating a flared opening at the pipe end, so that the 5mm pipe could fit inside. Then, the pipes will be soldered together.
qrp-gaijin: Building a 7 MHz small transmitting loop antenna, part 3
http://qrp-gaijin.blogspot.com/2015/01/building-7-mhz-small-transmitting-loop_10.html
Building a 7 MHz small transmitting loop antenna, part 3. Part 3 of this article series focuses on the mechanics of the motorised variable capacitor. Mounting the capacitor and motor. And, this link describes in detail various loss mechanisms of air variable capacitors, including dielectric losses: http:/ g3rbj.co.uk/wp-content/uploads/2013/10/Measurements of Loss in Variable Capacitors issue 2.pdf. The capacitor is mounted on the polyethylene board as follows. The motor looks as follows. The current mot...
m0xpd's 'Shack Nasties': Displaying Variety
http://m0xpd.blogspot.com/2015/07/displaying-variety.html
A series of random and irregular jottings, documenting matters of interest (to me) in the sphere of amateur radio and beyond. Saturday, 11 July 2015. Having seen my adventures with the new display. For the little Occam's Dirk. Rig, Dennis, g6ybc, from Kanga. Sent me a sample of a Nokia display rated for 5V operation. I tried a hook up direct to the Arduino - running the "Occam's Dirk" code - and, sure enough, the display starts up as expected. The only difference is the function of the backlight. The pho...
qrp-gaijin: 4月 2014
http://qrp-gaijin.blogspot.com/2014_04_01_archive.html
A simulated 40m multi-turn small transmitting loop. To open the model in 4nec2, copy and paste the text between the dashed lines and save it to a file, then open the file in 4nec2. CM 3D multi-turn loop. CM qrp.gaijin@yahoo.com (2014/04). The simulation results are as shown in the following image. It follows that by adjusting the turn spacing or diameter, the structure can be made self-resonant with no need for an additional resonating capacitor. Roger G3XBM's Amateur Radio Blog. 10m JT65 since breakfast.
qrp-gaijin: Fringe howling regenerative receiver
http://qrp-gaijin.blogspot.com/2014/10/fringe-howling-regenerative-receiver.html
Fringe howling regenerative receiver. Schematic diagram of fringe-howling regenerative receiver. The following video illustrates the fringe howl occurring in the receiver prototype. Although the audio and video quality are low, and the prototype circuit layout is not visually pleasing, I felt it important to create an audio-visual recording of the fringe howl phenomenon, because there is (as far as I know) no existing audio-visual documentation of the phenomenon, only written descriptions. Video from 02:...
m0xpd's 'Shack Nasties': Patriotic Display
http://m0xpd.blogspot.com/2015/07/patriotic-display.html
A series of random and irregular jottings, documenting matters of interest (to me) in the sphere of amateur radio and beyond. Saturday, 25 July 2015. Is usable but user-hostile without a display. Fortunately, adding a display is the work of moments. I haven't had many moments to spare since getting back home from the USA, but I found the few required recently and so - as you see above - the Patriot can now tell me what it is up to. Description of what to do in the user manual and a ( much better. A simpl...
Varying Frequencies: May 2010
http://pa9qv.blogspot.com/2010_05_01_archive.html
Activities and experiments of Jan, PA9QV. A collection of thoughts, and my notes about experiments and ideas, technical or otherwise, connected to Amateur Radio, Satellite working and monitoring and other electronics. Monday, May 31, 2010. WSPR BFO offset test. Tried the BFO offset function on the WSPR2 program. Using the FRoG receiver I set the USB frequency to 10137.490, same in the WSPR settings, and set the BFO offset to 1710Hz in place of 1500. Posted by Jan, OZ9QV. Links to this post. It turns out ...
QRSS de W4HBK: Time-sharing a Grabber for Multiband Coverage
http://pensacolasnapper.blogspot.com/2015/06/time-sharing-grabber-for-multiband.html
Regular reports of my grabber activity and that of others, plus information on QRSS software, hardware and technique that comes my way. Sunday, June 7, 2015. Time-sharing a Grabber for Multiband Coverage. Open "COM1:9600,N,8,1,CS,DS,RS" FOR Binary AS #1. Out &h3fc,01 Rem set DTR low. Sleep 250,0 Rem delay 250 ms. Out &h3fc,00 Rem Set DTR hi. The RS232 voltages need to be converted to an open/short condition with a level converter. This is the circuit I use (two needed) :. Dim m As Integer. The program st...
Varying Frequencies: June 2010
http://pa9qv.blogspot.com/2010_06_01_archive.html
Activities and experiments of Jan, PA9QV. A collection of thoughts, and my notes about experiments and ideas, technical or otherwise, connected to Amateur Radio, Satellite working and monitoring and other electronics. Saturday, June 19, 2010. Crystals and oscillators . . . For some time I just had a few boxes full of crystals and oscillators- some found at ebay, others at rallys etc - not very practical when trying to find a particular one, or know which ones I have. Posted by Jan, OZ9QV. Arduino is an o...
Varying Frequencies: September 2011
http://pa9qv.blogspot.com/2011_09_01_archive.html
Activities and experiments of Jan, PA9QV. A collection of thoughts, and my notes about experiments and ideas, technical or otherwise, connected to Amateur Radio, Satellite working and monitoring and other electronics. Tuesday, September 27, 2011. Thor's Hammer back on track. Thor's Hammer has been down for a while due to a thunderstorm putting it offline. The grabber is on line again. I may see if Argo or Spectran is better in that respect. Tests needed, or, if anyone has experience, please tell me.
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Draagevenement 2016
Draagfix
Iedereen kent dit probleem:. Een grote zak wordt geopend waarvan maar een klein deel van. De inhoud nodig is. De geopende zak is nu moeilijk te dragen, de inhoud komt in. Aanraking met lucht, vocht, stof en ongedierte. De kostbare inhoud kan na verloop van tijd niet meer gebruikt. Worden of de geopende zak valt om en de inhoud gaat over de. DRAAGFIX: hét gepatenteerde hulpmiddel voor het sluiten,. Dragen en opslaan van geopende zakken. DRAAGFIX is een simpele en degelijke oplossing voor o.a.:.
Draagfoto – Het mooiste draagmoment vastgelegd
Draagfoto is uniek in zijn soort. Ik ben als fotograaf gespecialiseerd in draagfotografie. Dragen draagt bij aan een veilige hechting. Die bijzondere band die ontstaat is intens voelbaar, maar ook zichtbaar. Die blik, die verbondenheid, die intense lach vol vertrouwen vanuit die veilig geboden omgeving is zo waardevol om vast te leggen. Een mooie herinnering van die bijzondere eerste jaren dichtbij elkaar. Ik ben Ilse van Grevenhof, moeder van drie prachtige kinderen, draagconsulent. September 10, 2016, ...
DraaGgiibus's blog - Je .... - Skyrock.com
More options ▼. Subscribe to my blog. Created: 16/03/2013 at 1:33 PM. Updated: 05/04/2013 at 12:27 PM. Je n'est aucune idée pour se blog :/. Shin Sekaï - Je reviendrai. Trop Magnifique * *. Add this video to my blog. The author of this blog only accepts comments from friends. You haven't logged in. Click here to post a comment using your Skyrock username. And a link to your blog, as well as your photo, will be automatically added to your comment. Posted on Saturday, 16 March 2013 at 3:02 PM. 9829; ♥.
Blog de Draaggoherrmmy - photo - Skyrock.com
Mot de passe :. J'ai oublié mon mot de passe. DES PHOTO DES ACTEURS D'HARRY POTTER. Du NEW des photo d'HP 6! Et je vai en rajouté! Et des lien vers d'autre blog! Un lien en et un article dans mon blog pour les 100ème, 200ème, 300ème coms.ect. Mise à jour :. Le Bo Jesse Mccartney. Abonne-toi à mon blog! Bienvenue sur mon blog ou il y aura des photo du film d'harry potter et de tou les comédien. Des Photo d'Harry Potter 6 son aparu quelle que par dans le blog alors aller y faire un tour. Ou poster avec :.
de draaggolf ~~~~~
De draaggolf . Joachim's Ham-Radio and Radio-Frequency Blog (A Solderful of Secrets) - from Longwave to Microwaves. Saturday, February 11, 2017. More Pipe Speaker Improvements. The last issue I had with all of my PVC-Voigt-Pipes: resonance of the horn. I read about it, I knew about it. and now, I was bugged by it too. BTW, this was effective with the designs I published on this blog. Saturday, January 21, 2017. Which sits in my living room, now in a folded. The question remains if it would be worth t...
DraagGraag / draagconsulente / Devreker Bieke
DraagGrietje
Je hebt geen producten in je winkelwagen. Product was successfully added to your shopping cart. Go to cart page. GRATIS VERZENDEN BINNEN NL. Bij besteding vanaf 100. Vanaf 2,95 voor een brievenbuspakket. Bij bestellingen geplaatst voor 15:00 uur. Wees als eerste op de hoogte! Van draagwandelingen, aanbiedingen en nieuwtjes. Vul hier je e-mailadres in. Ik kom hier zeker terug. Bedankt het was zeer zinvol en gezellig. Samen met een vriendin een duoconsult "ruck" gevolgd. Veel tijd en rust om te oefenen...
Home - Draaghoek
Dragen & Vragen. Dragen & Vragen. Geen producten in de winkelwagen. RS Gathered left shoulder. RS Gathered right shoulder. Day / licht blauw. GRATIS VERZENDING BINNEN NEDERLAND BIJ BESTEDING BOVEN 100. In allerlei soorten en maten. Voor comfort en bescherming. Verschillende doeken, allerlei prints, meerdere kleuren en maten. Deze voorgevormde dragers zijn voor iedereen geschikt. Altijd handig en snel. Een kortere doek met ringen om asymmetrisch te dragen. Handige extra’s voor gemak. Pellicano Zamira Aro *.
Blog de Draagi-BBL - Le Hibou qui raconte... - Skyrock.com
Mot de passe :. J'ai oublié mon mot de passe. Plus d'actions ▼. S'abonner à mon blog. Bienvenue, bon sur moi rien à dire, j'aime juste écrire ce que j'ai sur le coeur, amusez-vous bien. ♥. Dimanche 10 mai 2015 07:34. Création : 05/06/2013 à 07:02. Mise à jour : 11/08/2015 à 16:26. Le Hibou qui raconte. Faire une boule de neige. La lumière s'est enfouie. Dans la grande et profonde nuit. Pendant que la lune par sa générosité luit,. Les étoiles de la voie lactée en appui,. Le soleil dans ton sommeil pas fini.
