Tuesday, August 30, 2011

CW Abbreviations You May Not Have Heard Of

When operating on CW, it's faster and easier to use universally understood abbreviations to stand for routine words and phrases that are exchanged often. Although abbreviations help to cut down unnecessary transmission, as a rule, don't abbreviate unnecessarily when working an operator of unknown experience.

BFS Box Full of Stuff

BFST Breakfast

CFE Coffee

CFSD Confused

CFT Confounded Fool Thing

CTH Colder Than Heck

DHK Doohickey

DNR Dinner

DNT Doughnut

DT Dinnertime

ET Eat

FUD Food

GOH Get Outta Here

HC Holy Cow

HLR Holler

HMD Humdinger

HMF Hamfest

HTH Hotter Than Heck

HNL Have a Nice Lunch

HWD Howdy

LCH Lunch

LSW Lifetime Supply of Wire

LT Lunchtime

NF No Fooling

NTD Nothing To Do

NTV Nothing on TV

OC Obsolete Computer

OCP Obsolete Computer Parts

SNK Snack

SYWT Say What?

TH Telegraphic Giggle (Tee Hee)

TRO Tie the Ribbon On it

TTE Time To Eat

TVT TV Tray

UCP Unidentifiable Computer Parts

UF Unknown Function

UGLI Ugly

UJP Unidentifiable Junk Parts

WCI Watchamacallit

WPO Wife Angry

YAL Y'all

74 Best wishes to yours for a long and prosperous life , a nice house, a good job, beautiful family, happy holidays, and enough DX to make you jump with joy!

89 I hope your family members change their minds and come home.

Ya gotta love CW~

My Stamp Collecting Blog

Counter Added January 1, 2011

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HOW TO READ PROPAGATION NUMBERS

The A index [ LOW is GOOD ]

  • 1 to 6 is BEST
  • 7 to 9 is OK
  • 11 or more is BAD

Represents the overall geomagnetic condition of the ionosphere ("Ap" if averaged from the Kp-Index) (an average of the eight 3-hour K-Indices) ('A' referring to amplitude) over a given 24 hour period, ranging (linearly) typically from 1-100 but theoretically up to 400.

A lower A-Index generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; a low & steady Ap-Index generally suggest good propagation on the 30, 40, 60, 80, & 160 Meter Bands.

SFI index [ HIGH is GOOD ]

  • 70 NOT GOOD
  • 80 GOOD
  • 90 BETTER
  • 100+ BEST

The measure of total radio emissions from the sun at 10.7cm (2800 MHz), on a scale of 60 (no sunspots) to 300, generally corresponding to the sunspot level, but being too low in energy to cause ionization, not related to the ionization level of the Ionosphere.

Higher Solar Flux generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; Solar Flux rarely affects the 30, 40, 60, 80, & 160 Meter Bands.

K index [ LOW is GOOD ]

  • 0 or 1 is BEST
  • 2 is OK
  • 3 or more is BAD
  • 5 is VERY VERY BAD

The overall geomagnetic condition of the ionosphere ("Kp" if averaged over the planet) over the past 3 hours, measured by 13 magnetometers between 46 & 63 degrees of latitude, and ranging quasi-logarithmically from 0-9. Designed to detect solar particle radiation by its magnetic effect. A higher K-index generally means worse HF conditions.

A lower K-Index generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; a low & steady Kp-Index generally suggest good propagation on the 30, 40, 60, 80, & 160 Meter Bands.

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