Bedienungsanleitung Kenwood TS-870S (Seite 86 von 104) (Englisch)

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● APPENDICES

APPENDIX B: PROPAGATION

INFORMATION

STANDARD TIME AND INFORMATION STATIONS

Besides providing an extremely accurate time source

and other information, stations WWV and WWVH, in the

continental U.S.A. and Hawaii respectively, deliver

propagation announcements every hour in addition to

acting as powerful beacons themselves. The

announcements include information on geophysical

alerts, solar activity, and more that all affects how well

your signals will propagate to the DX station you’re

trying to catch. If you can’t hear WWV/WWVH, then

consult references such as the World Radio TV

Handbook for information on some of the other standard

time stations located closer to your area.

Check 2500, 5000, 10000, 15000, and 20000 kHz at 18

minutes after each hour (WWV), and 2500, 5000,

10000, and 15000 kHz at 45 minutes after each hour

(WWVH) to hear the propagation forecasts.

NCDXF/IARU BEACON NETWORK

The Northern California DX Foundation and the

International Amateur Radio Union are cooperating to

support this particularly useful on-the-air tool. The

network is monitored by scientists, students, etc. as well

as Amateur operators.

This group of stations are located in North America, the

Pacific, eastern Asia, the Middle East, Europe, southern

Africa and South America, and more stations continue

to be added to the network. They transmit beacon

signals on 14100 kHz consecutively in sequence at

power levels from 100 watts down to 100 milliwatts.

You can listen to each station transmit with a known

power from a known direction and location.

With minimal effort, in a brief time you can compile a

customized and accurate profile of HF propagation

conditions at your location. This information will help

you decide where to point your antenna to look for DX

or to call CQ. You could even distribute the information

via packetcluster to local friends for their benefit. Or,

because of the very precise timing used for each

transmission, possibly you could develop an automatic

means of monitoring the beacon frequencies, then

assemble the recorded signal levels into a meaningful

database for later consultation.

Call sign

(long dash)

100

0.1

CW Message

Transmitted

Beacon Power

Level (W)

The following table shows some of the stations involved

in this program.

Note:

As a courtesy to other Amateurs, avoid transmitting on the

14100 kHz beacon frequency. Also, plans are in progress to expand

the beacon network to include 18110, 21150, 24930, and 28200 kHz.

When operation begins on these new frequencies, avoid transmitting

on them as well.

HF BEACONS

Beacon stations transmit from locations in many

countries. Often they operate 24 hours per day and, if

you can hear a particular beacon, you know there is

some propagation to that area of the world. Consult

reference books such as the ARRL Repeater Directory

for detailed information on active beacons. The table

below lists some beacons that you may hear.

United Nations, New York

Stanford University, California

Kane'ohe, Hawaii

Mt. Asama, Japan

Tel Aviv University, Israel

Helsinki Technical University, Finland

Funchal, Madeira Island

Transvaal, South Africa

Buenos Aires, Argentina

4U1UN/B

W6WX/B

KH6O/B

JA2IGY

4X6TU

OH2B

CT3B

ZS6DN/B

LU4AA

LocationStation

Freq (kHz)

Call Sign

Location

Emis.

ERP

NCDXF/IARU

beacon network

St. Helena

Sao Paulo

Ottawa

Cyprus

Edmonton

Bologna

Crowborough

St. Petersburg, FL

Tyler, TX

California

Argentina

Spain

Arlington, TX

Natal

Germany

Mt. Predigtstuhl

Pickens, SC

Sarasota, FL

Venice, FL

Marlboro, MA

Staten Is., NY

14100

24192.05

28050

28175

28191

28195

28200

28201

28201.5

28202

28202.5

28204

28205

28206

28207.5

28208

28209

See

page 80

KK6TG

PY2GOB

VE3TEN

5B4ZL

VE6YF

IY4M

GB3SX

KF4MS

KG5YB

W6WX

LU8ED

EA7PS

KE5GY

ZS5VHF

DLØIGI

KJ4X

KE4NL

W8FKL

WA1IOB

NX2O

A1A

F1A

—

A1A

F1A

—

A1A

—

F1A

—

A1A

—

A1A

100

0.03

100

—

100

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