Posts by Tags

agi-stk

alsa

amtrak

android-7-nougat

antenna

excellent HF propagation in Cycle 23

With little more than a G5RV antenna up about 8 meters in the barn, Icom IC-725 at 100 Watts, an MFJ-945 antenna tuner to match impedance and a firm connecti...

aptx

art-of-grad-school

aspell

aspell user dictionary location

The aspell program is used by many software packages as a spellchecker. Here’s how to find the user dictionary file location.

at&t

Project Fi technical aspects

Project Fi uses three LTE carriers plus VPN WiFi. Here are some practical details on how the Project Fi aggregating MVNO works.

Survey of 4G LTE Ethernet routers

Geoscience observatories in remote corners of the Earth need connectivity. We have LTE connectivity in many areas despite their remoteness, here are some rou...

audacity

audio

Goldwave audio editor on Linux WINE

Easy install Goldwave audio editor on Linux using WINE. WINE 2.x allows Goldwave 6.x to work, while WINE 1.x allows Goldwave 5.x to work on Linux.

SoundBot Bluetooth headphones

Detailed review of Soundbot SB240 and SB220 Bluetooth headphones–noting some problems with modern Bluetooth source devices.

CD-R is NOT for archival purposes

As CD-R writers become commoditized, some people don’t realize CD-R have a short lifetime, and even standard CD’s don’t live forever.

aurora

Survey of 4G LTE Ethernet routers

Geoscience observatories in remote corners of the Earth need connectivity. We have LTE connectivity in many areas despite their remoteness, here are some rou...

Mathematics of Auroral Viewing

When you observe aurora borealis or aurora australis, what you see is a line integral of the optically thin aurora. Here’s the math.

auroral-tomography

beamer

bibtex

blackberry

blackberry-hub

bluetooth

boston

Uber Pool walk to pickup Boston

Uber Pool in Boston is starting to require walk to easier pickup locations. Previously Uber Pool suggested better pickup areas.

c++

cad

calculator

calendaring

cb-radio

excellent HF propagation in Cycle 23

With little more than a G5RV antenna up about 8 meters in the barn, Icom IC-725 at 100 Watts, an MFJ-945 antenna tuner to match impedance and a firm connecti...

cdf

cedar-workshop

clang

cmake

Travis CI examples

Having a CI system to check your self-test on each git push can save you from hard to find bugs later.

college-or-work

computer-maintenance

computer-tips

computer-vision

conda

upgrading Scipy via pip

You can install Scipy the quick way via conda, or the general way via pip. Pip install scipy requires a Fortran compiler.

coverage-map

cron

cubesat

cuda

curl

cygwin

data-archiving

CD-R is NOT for archival purposes

As CD-R writers become commoditized, some people don’t realize CD-R have a short lifetime, and even standard CD’s don’t live forever.

data-science

desense

dosbox

dot-net

dropbox

dual-boot

ef-johnson

email

eps

exfat

experiment

f2py

Travis CI examples

Having a CI system to check your self-test on each git push can save you from hard to find bugs later.

fast-ring

fasten

fcc

fedora

ffmpeg

fits

fortran

Travis CI examples

Having a CI system to check your self-test on each git push can save you from hard to find bugs later.

freedos

geospace

ghostscript

gimp

git

github

Completely undo errant Github push

For any Git or Github repo, you can undo (delete from git history) the last or previous pushes to eliminate huge/numerous/wrong files pushed.

Overleaf with Github

Use Github with Overleaf, as Overleaf corrupted my document but with Github I could recover it post facto. Using Git a priori stops such corruption.

Travis CI examples

Having a CI system to check your self-test on each git push can save you from hard to find bugs later.

github-pages

gmrs-frs

excellent HF propagation in Cycle 23

With little more than a G5RV antenna up about 8 meters in the barn, Icom IC-725 at 100 Watts, an MFJ-945 antenna tuner to match impedance and a firm connecti...

gnu-data-language

gnu-octave

gnu-radio

google-drive

google-earth

Google Earth on Ubuntu

It’s easy to run Google Earth and Google Earth Pro on Ubuntu – natively or via WINE if you choose.

google-pixel-phone

gps

gpstk

h5py

hamlib

hdd-ssd

hdf5

Check HDF5 files for corruption

HDF5 files do not currently have a recovery or journaling mechanism. You can have the same file size but a corrupted file. Here’s some ways to check HDF5 for...

Travis CI examples

Having a CI system to check your self-test on each git push can save you from hard to find bugs later.

hubway

imagej

ImageJ-Win64 won’t start

If ImageJ won’t start on Windows, try the one-time command ImageJ-Win64 –cp jars/javac.jar and thereafter the ImageJ icon should work normally.

imagemagick

inkscape

interference

ionosphere

irfanview

jekyll

lenovo

lineageos

linux

lte

Project Fi technical aspects

Project Fi uses three LTE carriers plus VPN WiFi. Here are some practical details on how the Project Fi aggregating MVNO works.

Survey of 4G LTE Ethernet routers

Geoscience observatories in remote corners of the Earth need connectivity. We have LTE connectivity in many areas despite their remoteness, here are some rou...

lyft

matlab

matplotlib

mayavi

medium-wave

meteors

mex

microphonic

miktex

mkdosfs

mono

moving

multinet

nano

netcdf

network-manager

new-mexico

nextel

Project Fi technical aspects

Project Fi uses three LTE carriers plus VPN WiFi. Here are some practical details on how the Project Fi aggregating MVNO works.

Wireless WAN in the Midwest

Wireless data or wireless WAN (WWAN) is growing rapidly. Going beyond two-way paging and package tracking to email for business.

nmap

ntp

nuc

numpy

openbox

opencv

pdf

pdftk

perl

pi-radar

ping

pip

upgrading Scipy via pip

You can install Scipy the quick way via conda, or the general way via pip. Pip install scipy requires a Fortran compiler.

povray

project-fi

Project Fi technical aspects

Project Fi uses three LTE carriers plus VPN WiFi. Here are some practical details on how the Project Fi aggregating MVNO works.

public-safety

pulseaudio

SoundBot Bluetooth headphones

Detailed review of Soundbot SB240 and SB220 Bluetooth headphones–noting some problems with modern Bluetooth source devices.

putty

pygame

python

quick-charge

railroad

raspberry-pi

rdp

red-pitaya

regex

robust-home

rst

rtl2832

RTL2832 ADS-B decoder

setup for decode, log, and display 1090 MHz ADS-B aircraft transponder data with your $20 RTL2832 USB receiver

scipy

upgrading Scipy via pip

You can install Scipy the quick way via conda, or the general way via pip. Pip install scipy requires a Fortran compiler.

security

serial-port

skype

Skype on Linux via web browser.

Skype on Linux was half-abandoned for a couple years–but now Microsoft has brought Skype back to Linux via two choices: program or Chrome web browser

smarter-commute

Uber Pool walk to pickup Boston

Uber Pool in Boston is starting to require walk to easier pickup locations. Previously Uber Pool suggested better pickup areas.

soldering

sprint

Project Fi technical aspects

Project Fi uses three LTE carriers plus VPN WiFi. Here are some practical details on how the Project Fi aggregating MVNO works.

spyder

ssh

suspend

svg

t-mobile

Project Fi technical aspects

Project Fi uses three LTE carriers plus VPN WiFi. Here are some practical details on how the Project Fi aggregating MVNO works.

tablet

texstudio

themis

trunked-radio

uber

Uber Pool walk to pickup Boston

Uber Pool in Boston is starting to require walk to easier pickup locations. Previously Uber Pool suggested better pickup areas.

ubiquiti

ubuntu

Install WINE 2.x in Linux

WINE 2.0 brings Office 2013 and a refreshed architecture for a higher level of compatibility with Windows applications. Here’s how to install Wine 2.x on Lin...

usb-power

verizon

Project Fi technical aspects

Project Fi uses three LTE carriers plus VPN WiFi. Here are some practical details on how the Project Fi aggregating MVNO works.

virtualbox

vnc

volte

Project Fi technical aspects

Project Fi uses three LTE carriers plus VPN WiFi. Here are some practical details on how the Project Fi aggregating MVNO works.

vpn

wake-on-lan

washington-dc

web-conference

wget

windows-10

windows-7

windows-8

windows-98

windows-subsystem-for-linux

windows-xp

wine

winetricks

Goldwave audio editor on Linux WINE

Easy install Goldwave audio editor on Linux using WINE. WINE 2.x allows Goldwave 6.x to work, while WINE 1.x allows Goldwave 5.x to work on Linux.

xfce

youtube

yum