AF6MQ TuesdayTechNet notes


2024.12.03

Power Density

RF exposure calc

RF calc2

RF calc3

Pearl Harbor SE

SDO leaky pipe


2024.11.26

GMRS Class at Manchester Grange 2024.12.04 6pm


2024.11.19

weather radar ash clouds

geomagnetic earthquake


2024.11.12

Radio Astronomy Frequencies

RS-20M on pulseplots (turn of javascript before loading)

BatteryUniversity

Astron repair


2024.11.05

Voyager radio

USGS Geomagnetism

SolarCycle usgs pdf

N2YO sat track

LEO visual


2024.10.29

solar maximum


2024.10.22

KPH SDR

Boeing go Boom

KM6WYE.com


2024.10.22

Kessler syndrome

AMSAT

ARDC

ARDC grants

cubesat.org


2024.10.15

USCG handbook

uscg radio procedures

comet Tsuchinshan nasa

SOHO comet


2024.10.08

jmm solutions

drill battery converters

National Hurricane Center

FCC Title47

FCC 47 part97 Amateur Service

qrm


2024.10.01

type c booster

W4HTP repeater stream


2024.09.24

icom v82

Earths Ambipolar field

Heaviside layer

Pacificon 2024


2024.09.17

HBR-2000 txrx

SharkRF Openspot4

radioberry MIDI control

Radioberry 2040 control

Radioberry 2040 second


2024.09.10

wikipedia itag

UWB explained

NXP UWB

Nordic nRF52832


2024.09.03

KPH KiwiSDR

SWPC GLOTEC


2024.08.27

Radioberry v2

Radioberry video

sBitx 40w rpi sdr


2024.08.20

ATV at hamtv.com

900mhz nextnav


2024.08.13

Aug 22 exercise

unlocked boofwangs

Mercury Modem


2024.07.30

ARRL Remote testing

SVVE testing

MURS


2024.07.23

Austin Transformer


2024.07.16

R1 2020

kits4hams sa818

nicerf modules

shari clone

sa818 module


2024.07.09

Allstarlink ASL3 release.

W6FHZ (SK)

The Noontime Net

NY GMRS Alliance fcc shutdown


2024.07.02

PS10m net

10-10 nets

HF Beacons


2024.06.25

AWARN

FIRMS

BlitzOrtung Lightning

WatchDuty


2024.06.18

Beacon wikipedia

6m beacon list

6m beacon list 2

6m beacons heard


2024.06.11

FCC enforcements

WARFA jammer caught

mendocino firesafe

CalFire map

CA Fire History

Air quality


2024.06.04

RF exposure reports

K6WX Grounding is a Myth

FCC OET 65 RF exposure

FCC RFE FAQ

2021 FCC update docket

RF Exposure Reports video


2024.05.28

What Is FieldDay (arrl)

VHF Contest (arrl)

WARS calendar


2024.05.21

SciAm solar storm article

ESA storm report


2024.05.14

2024 ACE RTSW

2024 Lasco C3

Wikipedia dBm

dBm to watt calculator

Bluetooth to space

Hubble Network blog


2024.05.07

SpotTheStation

WebSDR.org

Public KiwiSDR


2024.04.30

Azimuth Map

Solar Cycle video

ISS Ham Radio Station Status


2024.04.23

Voyager fixed

International Q codes

Q codes PDF

Wikipedia Q Codes


2024.03.19

SETI voyager

Voyager comms

Wikipedia Voyager


2024.03.12

voyager radio: 23 watts. deep space net channel 18. tx 2.3ghz 8.4ghz, rx 2.1ghz Voyager homepage JPL

Approximately how long does it take for radio signals from Earth to reach the Voyager Probes?
A. 10 hours
B. 20 hours
C. 30 hours

How long will a 100Ah battery last if the radio draws 10Amps?
A. 1 hour
B. 10 hours
C. 100 hours


2024.03.05

RX Clipper

Reeve antenna grounding paper

Mike Holt NEC 810

ECM NEC 810

NY 810

P = V * I
V = P / I
I = P / V

Approximately how many Amps will a 50 watt FM radio draw from a 12.0VDC battery transmitting at full power?
A. 2 Amps
B. 4 Amps
C. 8 Amps
D. 60 Amps


2024.02.27

Meteor Scatter

coast QST mailing list

Herding Cats

Andreas Spiess


2024.02.20

DXing

8R7X DXpedition Guyana

NG3K DX entities

arrl dx entities list

MostWanted

GreyLine Maidenhead

Fourmilab Greyline


2024.02.13

Ace EPAM

Space Weather Bulletin

NA TEC

Flipper Zero

CC1101 datasheet


2024.02.06

GOES West channel 10

NCEP NA Surface

CW3E


2024.01.23

MeshTastic

MeshCom

MeshCom video

LoRa Alliance

Andreas Spiess LoRa Meshtastic

Adafruit LoRa

Wikipedia LoRa

Heltec LoRa

1w LoRa ham shield

Long Island CW

CW Skimmer

CivATAK

TAK.gov


2024.01.16

SIGID wiki

STANAG

Norcal repeater coord


2024.01.09

Ionosphere map .au

JPL Ionophere

GOES xray flux


2024.01.02

FCC Title 47

FCC 47 Part 97 Amateur Radio

47-97-20231229 PDF

FCC icense counts

AH6RH doppler shift

HOTARC dopper shift

KB1SF getting started w sats


2023.12.26

AMSAT status page

NASA SpotTheStation

AMSAT-UK sstv

ariss sstv faq

issfanclub sstv

MMSSTV for windows

QSSTV github (in debian repo)


2023.12.19

af6mq AIS shipexplorer.com

MarineTraffic.com

The Valve Museum

ADS-B Exchange

FlightAware

Cal OES ACS


2023.12.05

Signal Identification Wiki

SigIdWiki Digital

HackRF

RTL SDR

KD2C IF taps

sdr-kits taps


2023.11.28

af6mq opengd77 channels.csv


2023.11.14

inverted V antenna

LBCebik

mcarcs oct minutes

lightningmaps.org

weatherbug

BlitzOrtung


2023.11.07

gen class 5

gen class 3

gen class 4

trusdr dl2man.de

dont buy chinese


2023.10.24

Ukiah exam


2023.10.17

MCAR general class day2

FtBragg ham exam 11/4

WholeEarthCatalog

DXCluster


2023.10.10

MCAR General class day1

NOAA mPing

SKYWARN

CA Lockpick pc


2023.10.03

OMISS nets

AC6V nets list

smarc nets list


2023.09.19

allstarlink


2023.09.12

General Class exam

KrakenSDR

KC2G MUFmap

zello

mygmrs.com

notarubicon


2023.09.05

Western Placer ARC

wparc 20230916 swap meet flyer

SCRA

SCRA 20230923 swap flyer


2023.08.22

W6MMM club page

NCDXF beacons

reverse beacon

WSPRnet

pacificon

Palomar EndFed baluns

HFKits endfed antenna


2023.08.15

NOAA lightning

RR Com

Fisher Wireless


2023.08.08

cycle 25 timelapse


2023.08.01

superconductivity

LK-99

LK-99 2

simulations


2023.07.25

K7FRY grid map

Grid Square map2

Transformer

Autotransformer

Balun


2023.07.18

Maidenhead Locator System

SOTA Maps.org

Jul 17 pressure

ACE bumps

WA6USL swap meet

Aluma Telescopic


2023.07.11

ACE EPAM 7 day

USGS Earthquake map

Radio Telescope Satellite interference


2023.06.13

OpenGD77

Turnstile Antenna


2023.06.07

AMSAT sat status

AMSAT all 2way

FM sats

N2YO ham sats

NASA spot the station

Wikipedia ham sats


2023.05.30

BlitzOrtung lighting map

Lightning detection

Lightning Rod

NEC Grounding

NOAA ground current safety

google image radio tower grounding


2023.05.16

SWPC ACE Epam

Broad Band Terminated Dipole

BBTD palomar

BBTD ON5AU

BBTD Wikipedia

HF underground CB page

The World Radio Club 11m


2023.05.09

NATO/ICAO Phoentic Alphabet -wikipedia

Phonetic Alphabet Chart

ICAO-wikipedia

ICAO website

Title47,I,D,part97

part 97 encourages

part 97 3 minutes

NOAA Space Weather Prediction Center


2023.05.02

BlitzOrtnung.org

USGS Earthquake map

NOAA Tsunami Warning Center


2023.04.25

Line of Sight Propogation

Skywave Propogation

propogation radius

Line of Sight Calculator

Distance in miles = (square root of antenna height) x 1.22

Antenna Sparky Award


2023.04.18

10meters on Wikipedia

ARRL Tech Privs

Ten Ten International

Mon-Sat 1800Z 28.380MHz

NIST Time

ab1dq 10m page

Stryker radio 10m page

AnyTone AT6666

CB radio supply 10m radios

Walcott radio 10m radios


2023.03.21

NIST WWV

HamSCI WWV propogation test

HamSCI.org


2023.03.14

slim jim and jpole calculator

450ohm slimjim

450ohm j-pole

j-pole antenna

10m delta loop

10m loop

10 beacon list

10 beacon list 2


2023.03.07

moxon for 28mhz

loop

1/4 wave vert

40m vertical


2023.02.28

NOAA SWPC

NOAA SWPC ACE 7day

DRAP Mainpage

DRAP MUF

DRAP 5Mhz

DRAP 10Mhz

Ionosphere map

Australian SWFC

GOES image viewer


2023.02.21

Software Defined Radio

Si473X Receiver Chip

PU2CLR duino library github

DIY example

RandL ATS-25max

ATS-20

ATS-20 inside

ATS-20 front panel

Ardunio home

RTL SDR

Malahit SDR


2023.02.14

Battery Management System (BMS)

camera battery pack

Yaesu FT-70D

zooms 100AH LiFePo4

zooms BMS

zooms balancer

tesla pack

QRZ website

EI8IC zone map page

zone-check


2023.02.07

Magnetron innards

choke

core

filament

antenna