Author Archives: robert

Getting Ready for Winter Field Day – Satellite

Posted on January 25, 2017 by robert

Well it’s that time of year again, I’m dusting off the portable satellite gear and making sure it’s working.  I had just updated the clock, and TLEs, when I noticed that UKube was above the horizon.  I quickly turned on … Continue reading →

Posted in AO-73, AO-85, BY70-1, FO-29, IC-9100, Satellite, UKUBE-1, XW-2A | Leave a comment

VNC Viewer for RPi

Posted on January 5, 2017 by robert

I had no idea that Raspberrian supported VNC connections to the RPi.  I was astounded to find out that a small VNC Viewer Application would remotely connect me to the desktop! Download “TightVNCViewerPortable” here:  http://portableapps.com/node/32118 Run the installation package. (Running … Continue reading →

Posted in Raspberry Pi | Leave a comment

Modifying MMDVMHost-Dashboard Config Values on a RPi

Posted on January 1, 2017 by robert

Well, as it turned out, I was overthinking the problem.  Sure enough there were NO usernames/passwords assigned to the Dashboard buttons.  Sigh.  However it was a good experience because it lead me to understanding how the Dashboard configuration is carried … Continue reading →

Posted in D-Star | Leave a comment

Setting up New DVmega-RPi 3B Dual-Band Hotspot

Posted on January 1, 2017 by robert

A friend of mine wanted a Hotspot for his home, which is far enough away from our DSTAR repeater to connect to without resorting to high power and a high gain antenna.  I volunteered to set up a RPi 3B … Continue reading →

Posted in D-Star | 2 Comments

Goals for 2017 and 2016 in Review

Posted on January 1, 2017 by robert

Four out of seven 2016 goals were completed successfully: 255 Confirmed Countries  YES 1,200 DX Band-Points  YES WAS Completed on 12 Meters (need WV)  NO Successful ARISS Contact at All Saints Academy  YES Teach a Technician Class for Monsignor Clarke … Continue reading →

Posted in DX, Education, From the OM, Operating, Training | Leave a comment

K1 30-meter Emissions, Revisited

Posted on December 16, 2016 by robert

So I decided to open up my K1 and recheck the 30-meter bandpass filter alignment, guessing that the simple “peak coils for maximum” in the manual might also tend to peak the spurious emissions for maximum as well.  Sure enough … Continue reading →

Posted in Operating, QRP, Testing | Leave a comment

Elecraft K1 Emissions

Posted on December 14, 2016 by robert

After completing the internal tuner add-on for my K1, I wanted to run emission tests on it as well.  My unit is two bands: 30-meter and 20-meter. FCC Limit:  For transmitters installed after January 1, 2003, the mean power of … Continue reading →

Posted in Operating, Testing | Leave a comment

Kenwood TH-F6A Passes Spur Test

Posted on December 12, 2016 by robert

Running a spectral purity check on my Kenwood TH-F6A tri-band radio, I found that it passes FCC requirements as you would hope it would. The test setup used for the UV5R was only slightly modified to change the bandwidth so that the … Continue reading →

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Kenwood TH-D72A Passes FCC Spur Limit

Posted on December 12, 2016 by robert

Running a spectral purity check on my Kenwood TH-D72A APRS radio, I found that it passes FCC requirements as you would hope it would. The test setup used for the UV5R was only slightly modified to change the bandwidth so that the noise … Continue reading →

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BaoFeng UV82 Fails FCC Spur Limits

Posted on December 12, 2016 by robert

BaoFeng sells more radio models than you can shake a stick at.  Another handheld dual band unit that fails FCC spectral purity is the UV82.  This is somewhat larger than the UV5R, sells for a premium, but has an odd … Continue reading →

Posted in Projects | Leave a comment