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Monday, April 17, 2017

Ski. Run. Climb. Repeat.: Castle Crag via Nipple Knob



Ski. Run. Climb. Repeat.: Castle Crag via Nipple Knob: Back in mid-February between race weekends, Jeffrey and I were able to connect for a full day out in the Bitterroot.   With recent warm tem...

Wednesday, April 12, 2017

Scientists Hacked a Cell's DNA and Made a Biocomputer Out of It

Scientists Hacked a Cell's DNA and Made a Biocomputer Out of It: Our brains are often compared to computers, but in truth, the billions of cells in our bodies may be a better analogy. The squishy sacks of goop may seem a far cry from rigid chips and bundled wires, but cells are experts at taking inputs, running them through a complicated series of logic gates and …

Tuesday, March 7, 2017

Amateur Extra Lesson 11.3, Grounding and Bonding, 11th Edition

Amateur Extra Lesson 11.2, RF Exposure, 11th Edition

Amateur Extra Lesson 11.1, Hazardous Materials, 11th Edition

Amateur Extra Lesson 10.3, VHF/UHF/Microwave Propagation, 11th Edition

Amateur Extra Lesson 10.2, HF Propagation, 11th Edition

Amateur Extra Lesson 10.1, Solar Effects, 11th Edition

Amateur Extra Lesson 9.5, Antenna Design, 11th Edition

Amateur Extra Lesson 9.4, Transmission Lines, 11th Edition

Amateur Extra Lesson 9.3, *Antenna Systems,* 11th Edition

Amateur Extra Lesson 9.2, Practical Antennas, 11th Edition

Amateur Extra Lesson 9.1, Basics of Antennas, 11th Edition

Amateur Extra Lesson 8.3, Amateur Television, 11th Edition

Amateur Extra Lesson 8.2, Digital Protocols and Modes, 11th Edition

Amateur Extra Lesson 8.1, Modulation Systems, 11th Edition

Amateur Extra Lesson 7.4, Interference and Noise, 11th Edition

Amateur Extra Lesson 7.3, Receiver Performance, 11th Edition

Amateur Extra Lesson 7.2, Test Equipment, 11th Edition

Amateur Extra Lesson 7.1, AC Waveforms and Measurements, 11th Edition

Amateur Extra Lesson 6.5, Power Supplies, 11th Edition

Amateur Extra Lesson 6.4, Filters and Impedance Matching, 11th Edition

Amateur Extra Lesson 6.3, DSP and Software-Defined Radios, 11th Edition

Amateur Extra Lesson 6.2, Signal Processing, 11th Edition

Amateur Extra Lesson 6.1, Amplifiers, 11th Edition

Amateur Extra Lesson 5.4, Optoelectronics, 11th Edition

Amateur Extra Lesson 5.3, Digital Logic, 11th edition

Amateur Extra Lesson 5.2, Display Devices, 11th Edition

Amateur Extra Lesson 5.1, Semiconductor Devices, 11th Edition

Amateur Extra Lesson 4.3, Part 2, Principles of Circuits, 11th Edition

Amateur Extra Section 4.3 Part 1, Principles of Circuits, 11th Edition

Amateur Extra Section 4.2, Electrical and Magnetic Fields, 11th Edition

Amateur Extra Section 4.1, Radio Mathematics, 11th Edition

Amateur Extra Section 3.6, Miscellaneous Rules, 11th Edition

Wednesday, December 28, 2016

W1DMH: Rainier W7W/RS-001 SOTA

W1DMH: Rainier W7W/RS-001 SOTA: In early 2014 I proposed a trip to the west coast to my climbing partner Jeff Hudick.  My intent was to climb Mt Rainier, after a failed att...

Sunday, August 7, 2016

N4KGL QRP: Pedestrian Mobile with the Elecraft KX2



N4KGL QRP: Pedestrian Mobile with the Elecraft KX2: I believe Wayne N6KR of Elecraft realized a life-time dream with the introduction of the KX2 ultra-portable. We thought the KX3 was small. T...

Thursday, August 4, 2016

W2LJ's Blog - QRP - Do More With Less.: For those of you

W2LJ's Blog - QRP - Do More With Less.: For those of you: considering building a 9:1 UNUN - a la' the EARCHI   ............ here's a chart showing SWRs vs. various wire lengths. Personal...

Monday, July 18, 2016

Adventures of a Math Geek: Kent Peak, Sapphire Range



Adventures of a Math Geek: Kent Peak, Sapphire Range: Pudge on a snowfield near Kent Peak's summit. Pintlers in the background. Jen and Ellie were away for a couple of nights at Fairmont...

Saturday, July 16, 2016

Casey Greene: To the Selway



Casey Greene: To the Selway: The veins of the northern Rockies spread holds on me like no other. Tracing lines on paper. Tracing lines on surfaces. The concrete...

PSK Reporter: How You Can Be Part! AD #33

The Ham Radio Reverse Beacon Network, AD#32

MT Adventures: Beaverhead ski rambling



MT Adventures: Beaverhead ski rambling: A warm spring has ski season drawing to a premature close, but I was able to sneak away to the Big Hole valley for two days of skiing. No a...

Gravitational Waves Explained Using Stick Figures

Ski. Run. Climb. Repeat.: Hyalite Peak to Mt Blackmore Traverse



Ski. Run. Climb. Repeat.: Hyalite Peak to Mt Blackmore Traverse: After spending the past 2 weekends climbing in loose preparation for an upcoming trip to the bugaboos, I was extra excited to get out for a...

KF7PXT Summits On the Air (SOTA) Blog: Silver Peak (W7W/CW-052) SOTA

KF7PXT Summits On the Air (SOTA) Blog: Silver Peak (W7W/CW-052) SOTA: On 9 July Lily, Colten, Grizzy (Lab/Shepherd/Spaniel Mix) and I made the 1.5 hour drive up to Snoqualmie pass to do some hiking and radi...

Adventures of a Math Geek: Snowcrest Range: Sunset and Olson Peaks and the Sn...



Adventures of a Math Geek: Snowcrest Range: Sunset and Olson Peaks and the Sn...: Jen walking the open meadows of the Snowcrest Divide. Day 1 included 9 or so miles of this. During the week of the 4th of July, Elli...

Tuesday, February 23, 2016

Ski. Run. Climb. Repeat.: Goddess & Jane couloirs

Ski. Run. Climb. Repeat.: Goddess & Jane couloirs: Despite hearing reports of terrible skiing due to the unseasonably warm temps, Matt, Horan, Steve and I decided to check out the couloirs o...



Sunday, February 21, 2016

Friday, February 12, 2016

Wednesday, February 10, 2016

Ski. Run. Climb. Repeat.: Bridger Skin to Win Race

Ski. Run. Climb. Repeat.: Bridger Skin to Win Race: Excellent powder skiing and skin management were the two themes of the 2016 skin to win randonee race at bridger bowl.   Fortunately I was ...