Ryan Flowers

Author's details

Name: Ryan Flowers
Date registered: May 11, 2015

Latest posts

  1. How to use a Reverse SSH tunnel to reach a server behind a NAT — August 19, 2017
  2. 20M Inverted V with Lightweight Dipole Center — August 13, 2017
  3. Converting the BITX40 to 20M — August 10, 2017
  4. The Quest for the Genuine IRF510 — July 10, 2017
  5. QRP Antenna Pole: 23ft for $10 — July 4, 2017

Author's posts listings

Aug 19

How to use a Reverse SSH tunnel to reach a server behind a NAT

If you’re reading this, it means my server is online and running. You pointed your browser at my website and connected to my servers IP on port 80. That is totally possible because this is a server with a publicly available IP address. But what if you want to connect to a server that does not …

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Aug 13

20M Inverted V with Lightweight Dipole Center

One of the many joys of being a ham radio operator is building antennas. I’ve covered the L-Match tuner and long wire antenna in the past, and while it’s a great way to get on the air, it is a compromise antenna. It’s not resonant, and so it is less efficient. When you’ve only got …

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Aug 10

Converting the BITX40 to 20M

20m BITX40 conversion [UPDATE 8/18/2017]: After further experimentation I have found that the LPF must be switched at both ends. Read further for more details. In a Previous Post, I wrote about adding an 80m Band Pass Filter and switching it out for the 40m filter, essentially adding a second band to the BITX40. That works …

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Jul 10

The Quest for the Genuine IRF510

The Problem Recently, I had a need to replace the IRF510 PA MOSFET in my BITX40 radio. A malfunction with my VOX PTT circuit caused it to stay keyed down for a very long time while unattended. Oops! With that fixed, it was time to replace the IRF510. The Search I scoured the usual places …

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Jul 04

QRP Antenna Pole: 23ft for $10

No matter whether you’re using JT65, Voice, CW, or any other mode, you need to have an antenna. When you’re QRP, you also need all the help you can get. And high is might,. right? If you are going to be portable, you need a portable antenna. At my home, I don’t have room for …

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