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• Amateur Radio today - my view
  …d a very little portable communication transmitter. I predicted that in 10 years' time, everybody would own such a little device - which people could not at …a short link to a news report saying that a major study over the recent 10 years has not found any significance on the assumption that the usage of mobile p
  7 KB (1.113 Wörter) - 11:13, 18. Mai 2010
• My Lab Equipment
  …sturdy Kenwood TS-520S valve TRX. A very good decision, I must say now 15 years later. Around 2001 I bought a second hand TS-930SAT, and this is now my cor
  4 KB (536 Wörter) - 23:11, 28. Aug. 2021
• Kenwood TS-520S
  Oh, what a fine device. A Classic! It gave me pleasure over so many years. The 520S is a very solid, tube-based short wave transceiver. Grace to its
  763 Bytes (137 Wörter) - 02:34, 19. Mär. 2011
• GAP TITAN
  …t with a few meters of wire and a wooden mast. After a storm broke it some years ago I was left to think about something different. Well, I also had to fini
  5 KB (915 Wörter) - 03:36, 2. Dez. 2007
• Tests and operational report of a GAP Titan
  …r if the GAP will be worn out a little. Yet, if the TITAN serves me for 10 years, I will be content to buy some spare parts. anyway. …ally in central Europe, where we have experienced ice storms in the recent years, this kind of construction is very risky. Since the antenna has been devise
  6 KB (1.021 Wörter) - 13:23, 1. Mär. 2008
• Kenwood TS-790A
  …ll better than all the rigs built today, even though it was developed ~ 15 years ago. The TS-790A is the American version of the TS790E and has a slightly h
  1 KB (169 Wörter) - 23:30, 6. Okt. 2008
• MosFET-PA
  I've been waiting for more than two years now, until I finally got the chance to buy this wonderful piece on Ebay for
  785 Bytes (134 Wörter) - 02:44, 5. Mär. 2009
• Using the ASUS WL-500gP as a APRS digi
  Since my old [[TNC2S]] was practically out of use for 15 years, this is a great opportunity to recycle it and turn it into a controller fo
  4 KB (687 Wörter) - 01:12, 11. Dez. 2016
• A Low-Power Combined Echolink and ATV Server
  …the other side, the embedded hardware is not likely to change in the next years, so it was not necessary to store a great number of modules for which I am
  28 KB (4.637 Wörter) - 01:00, 23. Mär. 2011
• Battery Change in a Kenwood TM-701E
  …its settings from a memory that is backed up by a small battery. Over the years, the battery finally depletes and must be substituted. Unfortunately, the m …orting and discharging of the battery. I want the rig to go for another 20 years...
  4 KB (612 Wörter) - 03:12, 19. Aug. 2009
• WebGeiger: An Arduino based Geiger Counter
  Radiation has been a longtime topic in my life over the past 30 years. I've grown up in northern Bavaria. Until mid of the 1980s there were plans
  8 KB (1.071 Wörter) - 23:02, 2. Dez. 2012
• NTP-Server with Raspberry Pi and Sure Electronics GPS Eval board
  It was already a few years ago when I bought a Sure Electronics GPS timing receiver. Though, there was
  24 KB (3.519 Wörter) - 19:46, 15. Jan. 2020
• Another environmental sensor for my parents' house
  …vironmental sensor for the heating system of my parents' house a couple of years ago]], I can monitor some basic values my parents' heating system. But the
  9 KB (1.243 Wörter) - 00:08, 19. Mär. 2018
• A relay box for control from Linux
  …matters of completeness, this idea is quite an old one. Already around 10 years back I had this idea: [[Switching power over IP]]
  6 KB (900 Wörter) - 17:23, 11. Jan. 2019
• Ultraviolet Intensity Measurement Experiment
  …at would measure UV intensity continuously. The result is this experiment, years later but no less outdated.
  10 KB (1.276 Wörter) - 23:03, 8. Aug. 2017
• Refoam of Infinity Kappa 6.2 bass speakers
  You want a great sound experience for the next 20 years, so you have enough time to wait for another day. :-)
  3 KB (471 Wörter) - 18:59, 27. Dez. 2017
• Receiving Es'HailSat
  By coincidence I purchased an LNB with a LO frequency of 9 GHz some years ago, while never using it. Now the occasion has come to really use it. Yet,
  2 KB (281 Wörter) - 17:04, 11. Jan. 2019
• Redesign of DB0BUL in 2019
  After about 10 years of seamless operation, the node failed for an unknown reason, so there was …ain link to DB0MHB, which is being served by another solution for almost 5 years now, it was time to remove it and replace it anyway.
  7 KB (1.163 Wörter) - 22:17, 8. Mär. 2020
• My new Hy-Gain AV-680 Shortwave Vertical
  After using a [[GAP TITAN]] for over 10 years, I found that it was more and more out of resonnance, due to oxidation and
  3 KB (579 Wörter) - 21:26, 27. Mai 2019
• Minimal Arduino
  This little project goes back to a phone call a couple of years ago, where my phone partner told me that he was interested in programming b
  3 KB (460 Wörter) - 18:19, 7. Mär. 2021