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AB6WL USA flag USA

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My QSL card in the upper right hand corner is a photo that I took of my younger son Morgan, KE6KWY, surfing the Wedge here at Newport Beach on one of its bigger days back in August, 2010. Needless to say, dear ol' Dad was a bit nervous as he shot down that wave.

Above is my Toyota 4Runner with the fog rolling into Newport Beach. I have two HF radios in the 4Runner, a Kenwood TS-480HX and an Icom IC-7000. The HF antenna is a Scorpion SA-680S made by Ron Douglas, NI7J, in Phoenix, AZ. A local machine shop in Huntington Beach designed and built the 1/2" x 12" x 12" aluminum plate antenna mount for the 13 lb. Scorpion antenna that is fastened to the roof rack's cross bars.

I recommend Alan Applegate's website www.K0BG.com for anyone desiring to operate mobile HF.

At the home QTH, my antenna is a 205' horizontal delta loop 30' above the ground over my house, and I am constantly amazed at how well it works.

My main setup is an Elecraft K3/P3/KPA500 with a Ten-Tec 238C Tuner. I have been operating mostly CW for the last few years and have been accumulating some QRP CW rigs--an Elecraft KX3 (now with its companion PX3 panadapter), a Wilderness Radio NorCal40A, and a Weber MTR (verson 1).

While building the NorCal40A, I read through David Rutledge's "The Electronics of Radio," which uses this rig as an example in its explanations. Then I built Steve Weber's MTR and analyzed its design. Afterwards, in order to continue my electronics education and to learn how to use ExpressPCB, a printed circuit board design and construction program, I combined Steve's ATS-4b and MTR (version 1) to come up with three 5-band (40m-15m) and three 7-band (40m-10m) QRP rigs shown below and that use the Texas Instrument's MSP430F2132 MPU. I went into Steve's firmware programs and modified them accordingly and have been pleasantly surprised to find that all five radios work quite well.

I also have a Hardrock-50 amp by Jim Veatch, WA2EUJ, with internal autotuner for when I am in the mood for more power when using the QRP rigs. And the Ten-Tec 238C is a great Antenna Tuner/Matcher.

Since building and designing the QRP rigs, I tried my hand at the two excellent Genesis SDR HF transceiver kits, the G59 and the G11, also pictured below. Then I designed a hybrid copy of the G11 and G59 as pictured below.

Finally, I have built a PICaSTAR, which was originally designed by Peter Rhodes, G3XJP. I used Glenn's (VK3PE) red Porta Combo P2a boards and just got it on the air yesterday (March 9, 2016). Before doing so, I obtained an almost completed set of P1 boards for the PICaSTAR, finished them, and operated it just a few days before. This has been the most challenging project I have ever tackled in ham radio, but it was well worth it. Peter's design is definitely a winner!

Thank you for stopping by my QRZ page and 73,

Earle

Shown below is my current station minus the G11 and the G59. The red circuit boards are the aggregate PICaSTAR that includes the smaller 20W Power Amplifier board to the right and an LPF board at the back (designed by Steve, G6ALU, and Ray, G4TZR, respectively ). The aluminum box on the top of the KPA500 is my homebrew G11/G59.

 

The most recent addition - the PICaSTAR P2a with TFT Display -

 

I have now mounted the 20W PA in a Hammond enclosure -

 

Here's the G6TZR LPF board for the PICaSTAR in a Hammond box, too.

 

Below is my workbench that includes in the front a homebrew 2GHz Modular Spectrum Analyzer/Vector Network Analyzer designed by Scotty Sprowls (www.scottyspectrumanalyzer.com) and on top of the power supply to the right a homebrew 60MHz Vector Network Analyzer designed by Paul Kiciak (www.n2pk.com).

 

Here is the PICaSTAR P2a on my workbench.

 

Here is the PICaSTAR P1 that I finished and put on the air a day before the P2a.

 

Below are the insides of my homebrew G11/G59 hybrid SDR 40m-10m CW transceiver. I included in it the KC1 keyer from Wilderness Radio, which has the same feel as that of the K3, probably because it's designer is the same person as that of the K3, Wayne Burdick, N6KR.

 

Below are my Genesis G11 on the left and G59 on the right--both with KC1 keyers not so elegantly attached.

 

Below is Steve Weber's MTR (v. 1) that I built to work on 40m and 20m -

 

Below is a homebrew modified 5-band (40m-15m) ATS-4b/MTR (v.1) that I call an EIKON (means "copy" in Greek). It uses an LCD display and has circuitry on both sides of the board to keep the size as small as possible and so that it fits in Steve's original ATS-4 enclosure -

 

Below is a homebrew modified 7-Band ATS-4b/MTR (v.1) that uses an LCD display -

 

Here is the other side of the PCB of the rig above -

 

Below is a modified 5-band ATS-4b/MTR (v.1) that uses an LCD display and has most of the circuitry on this side of the board -

 

Here is the same as above but that operates on 7 bands (40m-10m) -

 

Below is what is basically a 5-band (40m-15m) MTR (v. 1) that uses an LED display and has most of the circuitry on the other side of the board -

 

Like the one above, here is the 7-band version of the MTR (v. 1) -

 

 

7324147 Last modified: 2016-05-19 05:40:05, 7302 bytes

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