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30 – 31. Online radio measurement converters, electronics calculations, electrical calculators and Somalia photos 49.


                                                                     Online radio measurement converters. 
                                                                                             26 October 2009.                                                                    
 


Online radio measurement converters. 

Online electronics calculations, 

Online electrical calculators. 


The All Frequency Database Index is here: http://sites.google.com/site/somaliaamateurradio/somaliaphotos10

 

You are here:

30 – 31. Online measurement converters.

30.1 Calculate antenna ERP and calculate antenna EIRP.

30.2 Convert antenna ERP to antenna EIRP.

30.3 Convert dBm, dBu, voltage and S-units.

30.4 Convert dBW and Watts.

30.5 Convert dBm and dBW.

30.6 Convert dBm, power and voltage.

30.7 Convert length units and distance units.

30.8 Convert power units.

30.9 Convert frequency units.

30.10 Convert wavelength units.

30.11 Find full wavelength, three quarter wavelength, five eighths wavelength, half wavelength and quarter wavelength.

30.12 Convert frequency to wavelength and convert wavelength to frequency.

30.13 What is the International date? What are the local regional times in the USA? What is the Universal time?

30.14 What are the current local times around the world?

31. Magnetic field strength measurement.

 

 

 

30.

Online measurement converters.

 

30.1

Calculate antenna ERP and Calculate antenna EIRP.

Antenna ERP and Antenna EIRP.

Calculate both the effective isotopic radiated power (eirp) and the Effective Radiated Power from the antenna.

Enter the transmitter power output in Watts or dBW.

Enter the antenna gain in dBi or dBd.

Press calculate.

http://www.csgnetwork.com/antennaecalc.html

What is Effective Radiated Power ERP?

Effective Radiated Power is

ERP is

What is Effective Isotopic Radiated Power?

Effective Isotopic Radiated Power is

Eirp is

What is Equivalent Isotropically Radiated Power?

Equivalent Isotropically Radiated Power is

Eirp is

EIRP is

http://en.wikipedia.org/wiki/Equivalent_isotropically_radiated_power

 

30.2

Convert antenna ERP to antenna EIRP.

Antenna ERP converted to Antenna EIRP.

Convert ERP to EIRP.

Change ERP to EIRP.

Convert EIRP to ERP.

Change EIRP to ERP.

EIRP = ERP multiplied by 1.64.

ERP = EIRP divided by 1.64.

 

30.3

Convert dBm, dBu, voltage and S-units.

dBm.

dBm is the power expressed in Decibels relative to one milliwatt (1 mW)

dBu.

dBm and dBu.

Convert dBm to dBu to Voltage and to S-units.

http://www.qru.de/dbm.htm

 

30.4

Convert dBW and Watts.

dBW.

dBW is the power expressed in Decibels relative to one Watt (1 W)

Watts.

Power converter.

Power in dBW and Power in Watts

Convert a dBW power level to its equivalent value in Watts.

Convert a Watts power level to dBW.

dBW is decibels relative to 1 Watt.

http://www.rsm.govt.nz/cms/resource-library/dbw-watts-converter

 

30.5

Convert dBm and dBW.

dBm and dBW.

dBm from -60 dBm to 100 dBm

dBW from -90 dBW to 70 dBW

http://www.radio-electronics.com/info/formulae/decibels/dBm_dBW_table.php

 

30.6

Convert dBm, power and voltage.

dBm to power and Voltage.

Conversion of dBm to power and Voltage.

Conversion of Power and Voltage to dBm.

Convert microwatts to dBm.

Convert milliwatts to dBm.

Convert Watts to dBm

Convert dBm to microwatts.

Convert dBm to milliwatts.

Convert dBm to Watts.

-70 dBm to +75 dBm converted to 100 picowatts to 31.62 kilowatts.

0 dBm is 1 milliwatt (1 mW).

This is a 50 ohm power conversion table.

http://www.ipass.net/teara/dbm.html

 

30.7

Convert length units and distance units.

Convert units of length and units of distance.

Convert lengths and distances.

Distance converter / Length converter.

Change miles to kilometers (km).

Change miles to kilometres.

Convert kilometers to miles.

Change kilometres to miles.

Change metres (m).

Change meters.

Change millimeters.

Change millimeters.

Change micrometres (µm, mu m, mu/m, mu.m, micron).

Change micrometers.

Change millimetres (mm).

Change millimeters (mm).

Change centimetres (cm).

Change centimeters.

Change nanometers (nm).

Change nanometers.

Change picometres (pm).

Change picometers.

Change rod.

Change mil.

Change point (pt).

Change Angstrom.

Change astronomical unit (AU).

Change parsec.

Change light year (LY).

Change nautical mile (US).

Change nautical mile (UK).

Change league.

Change inch (in).

Change inches.

Change foot (ft).

Change feet.

Change Fermi (fm).

Change Fathom.

Change em.

Change ell.

Change caliber.

http://www.theonlineconverter.co.uk/conversions/length.htm

micrometres (µm, mu m, mu/m, mu.m, micron).

 

30.8

Convert power units.

Convert units of power.

Convert power measurements.

Femtowatt (fW) and other POWER units are here.

Power

Petawatt (PW)

Terawatt (TW)

Gigawatt (GW)

Megawatt (MW)

Kilowatt (kW)

Watt (W)

Milliwatt (mW)

Microwatt (µW)

Nanowatt (nW)

Picowatt (pW)

Femtowatt (fW)

Zeptowatt (zW)

Metric horsepower (hp)

Mechanical horsepower (hp)

http://www.unitjuggler.com/power-conversion.html

 

30.9

Convert frequency units.

Convert units of frequency.

Frequency units.

1 Khz (Kilohertz) = 1000 Hz.

1 Mhz (Megahertz) = 1000 kHz.

1 GHz (Gigahertz) = 1000 MHz.

1 THz (Terahertz) = 1000 GHz.

1 PHz (Pentahertz) = 1000 THz.

1 EHz (Exahertz) = 1000 PHz.

1 ZHz (Zettahertz) = 1000 EHz.

1YHz (Yottahertz) = 1000 ZHz.

 

30.10

Convert wavelength units.

Convert units of wavelength.

Wavelength units.

micrometres (micrometers, µm, mu m, mu/m, mu.m, micron).

namometers (manometers, nm)

1 km = 1000 m (meter metre).

1 m = 1000 cm (Centimeter, Centimetre).

1 cm = 1000 mm (Millimeter, Millimetre).

1 mm = 1000 µm (Micrometer, Micrometre).

1 µm = 1000 nm (Nanometer, Nanometre).

1 nm = 1000 pm (Picometer, Picometre).

1 pm = 1000 fm (Femtometer, Femtometre).

1 fm = 1000 am (Attometer, Attometre).

1 am = 1000 zm (Zeptometer, Zeptometre).

1 zm = 1000 ym (Yoctometer, Yoctometre).

 

30.11

Convert frequency to wavelength.

Frequency / Wavelength.

Frequency and Wavelength.

Wavelength. and Frequency.

Find the full wavelength.

Find the three quarter wavelength.

Find the five eighths wavelength.

Find the half wavelength.

Find the quarter wavelength.

Find the frequency wavelength in feet.

Find the frequency wavelength in inches.

Find the frequency wavelength in meters.

Find the frequency wavelength in metres.

Find the frequency wavelength in millimeters.

Find the frequency wavelength in millimeters.

http://www.onlineconversion.com/frequency_wavelength.htm

 

30.12

Convert frequency to wavelength.

Convert wavelength to frequency.

Convert Hz to m,

Convert kHz to m,

Convert MHz to m,

Convert MHz to cm,

Convert MHz to mm,

Convert MHz to µm,

Convert megahertz to nanometers this way.

Convert nanometers to megahertz this way.

Convert megahertz to nanometres this way.

Convert nanometres to megahertz this way.

First convert nm to µm.

(1). Nanometre (nm) = 0.001 Micrometre (µm)

Example 630 nm is 0.630 µm

(2). Use 0.630 µm in the online converter (= 475861044.44444 MHz)

Convert GHz to m, Convert m to GHz.

Convert GHz to cm, Convert cm to GHz.

Convert GHz to mm, Convert mm to GHz.

Convert GHz to µm, Convert µm to GHz.

Convert GHz to nm, Convert nm to GHz.

Convert gigahertz to nanometers this way.

Convert nanometers to gigahertz this way.

Convert gigahertz to nanometres this way.

Convert nanometres to gigahertz this way.

First convert nm to µm.

(1). Nanometre (nm) = 0.001 Micrometre (µm)

Example 630 nm is 0.630 µm

(2). Use 0.630 µm in the online converter (= 475861044.44444 MHz or 475861.04444444 GHz or 475.861044444 THz)

Convert THz to m, Convert m to THz.

Convert THz to cm, Convert cm to THz.

Convert THz to mm, Convert mm to THz.

Convert THz to µm, Convert µm to THz.

Convert THz to nm, Convert nm to THz.

Convert terahertz to nanometers this way.

Convert nanometers to terahertz this way.

Convert terahertz to nanometres this way.

Convert nanometres to terahertz this way.

First convert nm to µm.

(1). Nanometre (nm) = 0.001 Micrometre (µm)

Example 630 nm is 0.630 µm

(2). Use 0.630 µm in the online converter (= 475.861044444 THz)

Hertz (Hz).

Exahertz (EHz).

Pentahertz (PHz).

Terahertz (THz).

Gigahertz (Ghz).

Megahertz (MHz).

Kilohertz (KHz).

Hectohertz (hHz).

Dekahertz (daHz).

Decihertz (dHz).

Centihertz (cHz).

Millihertz (mHz).

Microhertz (µHz).

Nanohertz (nHz).

Picohertz (pHz).

Femtohertz (fHz).

Attohertz (aHz).

Cycle per second (cycle /second, c/s).

Wavelength in exametres (Em).

Wavelength in pentametres (Pm).

Wavelength in terametres (Tm).

Wavelength in gigametres (Gm).

Wavelength in megametres (Mm).

Wavelength in kilometres (Km).

Wavelength in hectometres (hm).

Wavelength in dekametres (dam).

Wavelength in metres (m).

Convert wavelength in metres to frequency in Hertz.

Convert wavelength in meters to frequency in Hertz.

Convert frequency in Hertz to wavelength in metres.

Convert frequency in Hertz to wavelength in meters.

Convert wavelength in metres to frequency in kilohertz.

Convert wavelength in meters to frequency in kilohertz.

Convert frequency in kilohertz to wavelength in metres.

Convert frequency in kilohertz to wavelength in meters.

Convert wavelength in metres to frequency in megahertz.

Convert wavelength in meters to frequency in megahertz.

Convert frequency in megahertz to wavelength in metres.

Convert frequency in megahertz to wavelength in meters.

Convert wavelength in metres to frequency in gigahertz.

Convert wavelength in meters to frequency in gigahertz.

Convert frequency in gigahertz to wavelength in metres.

Convert frequency in gigahertz to wavelength in meters.

Convert wavelength in metres to frequency in terahertz.

Convert wavelength in meters to frequency in terahertz.

Convert frequency in terahertz to wavelength in metres.

Convert frequency in terahertz to wavelength in meters.

Wavelength in metres

Wavelength in metres

Wavelength in metres

Wavelength in decimetres (dm).

Wavelength in centimeters (cm).

Wavelength in millimeters (mm).

Wavelength in micrometres (µm).

Electron Compton wavelength.

Electron Compton Proton.

Electron Compton Neutron.

http://www.unitconversion.org/unit_converter/frequency-wavelength.html

 

30.13

Time.

Univeral Time (UT, UTC, GMT)

UTC (GMT) time and date.

What is the time now?

The UTC time now is?

The UTC date now is?

EDT Eastern Time and date now

CDT Central Time and date now

MDT Mountain Time and date now

PDT Pacific Time and date now

AKDT   Alaska Time and date now

HAST    Hawaii-Aleutian Time and date now

US Naval Observatory master clock time updated every second.

http://tycho.usno.navy.mil/simpletime.html

 

30.14

Current local times around the world.

What is the local time in?

The local time listed by country.

The local date listed by country.

The local time and date listed by country.

http://www.timeanddate.com/worldclock/custom.html?sort=1

The local time listed by city.

The local date listed by city.

The local time and date listed by city.

http://www.timeanddate.com/worldclock/custom.html?sort=0

The local time listed by time zone.

The local date listed by time zone.

The local time and date listed by time zone.

http://www.timeanddate.com/worldclock/custom.html?sort=2

 

31.

Magnetic field strength measurment.

Magnetic field strength H is measured in ampere per meter. 

A magnetic field strength of 1 A/m corresponds to 1.257 microtesla (µT) or 12.57 milligauss (mG).

Introduction to Magnetic field.

http://en.wikipedia.org/wiki/Magnetic_field

Introduction to field strength.

http://en.wikipedia.org/wiki/Field_strength 

 

 

How to build a radio station in Somalia.

How to build a radio station antenna in Somalia.

The completed 6.5 MHz to 30 MHz Log periodic antenna and the 3.9 MHz and 6.9 MHz dipole antennas in Galkayo, North East Somalia.

 

Visible are the two Short wave radio wire dipole antennas left and right of the completed new directional antennas at the Galkayo Police station, Galkayo, North East Somalia in August 1994.

The wire antennas were first installed in July 1993 for Radio Free Somalia (“Free for all to use” known later as Radio Galkayo) broadcasts and for the worldwide two-way ham radio communications training that lead to the friendship with an Australian amateur radio operator that resulting in the donated new antenna, transmitter, amplifier and training in August 1994.

North East Somalia became the Puntland State of Somalia on the 1st August 1998.

(Photo Sam Voron 6O0A, VK2BVS).  

 


INDEX 1.

This new Somalia Amateur Radio website

1. Somalia.
Soomaaliya. 
http://sites.google.com/site/somaliaamateurradio  

2. Somalia photos 2 and Morse code between 0 – 1.6 MHz. 
Masawir Soomaaliya 2 iyo 0 – 1.6 MHz Morse codka caalmiga ah. 
http://sites.google.com/site/somaliaamateurradio/somaliaphotos2  

3. Somalia photos 3 and Morse code on 1.6 – 3 MHz. 
Masawir Soomaaliya 3 iyo 1.6 – 3 MHz Morse codka caalmiga ah. 
http://sites.google.com/site/somaliaamateurradio/somaliaphotos3  

4. Somalia photos 4 and Morse code on 3 – 60 MHz. 
Masawir Soomaaliya 4 iyo 3 – 60 MHz Morse codka caalmiga ah. 
http://sites.google.com/site/somaliaamateurradio/somaliaphotos4 

5. Somalia photos 5 and introduction to Non Directional Radio Beacons and NDB list from 0 to 299 kHz. 

6. Somalia photos 6 and Non Directional Radio Beacons list from 300 to 399 kHz. 
Masawir Soomaaliya 6 iyo NDB 300-399 kHz.

7. Somalia photos 7 and Non Directional Radio Beacons list from 400 to 599 kHz. 
Masawir Soomaaliya 7 iyo NDB 400-599 kHz. 

8. Somalia photos 8 and Non Directional Radio Beacons list from 600 to 8000 kHz. 
Masawir Soomaaliya 8 iyo NDB 600-8000 kHz. 

9. Somalia photo 9 and free VLF radio receiver.
Masawir Soomaaliya 9 iyo Radiyo VLF

DATABASE INDEX.

10. All Frequency Database Index and Somalia photos 10. 
Masawir Soomaaliya 10

BROADCASTING STATIONS, 
BROADCAST STATIONS, 
RADIO BROADCASTS, 
TV BROADCASTS.
– 6.8

1 – 1.4 Long Wave radio stations and Somalia photos 10AA. 
Masawir Soomaaliya 10AA 

2 – 2.5 Medium Wave radio stations and Somalia photos 11. 

2.6 Hobby AM radio stations and Somalia photos 12.
Masawir Soomaaliya 12 

3 – 3.3 Short Wave radio stations and Somalia photos 13.
Masawir Soomaaliya 13

3.4 Clandestine radio stations and Somalia photos 14.
Masawir Soomaaliya 14 

3.5 – 3.7 Pirate radio stations, online Short Wave radio receivers, scanners and Somalia photos 15. 
Masawir Soomaaliya 15 

4 – 4.4 VHF FM radio stations and Somalia photos 16. 
Masawir Soomaaliya 16 

4.5 VHF Hobby FM radio stations and Somalia photos 17. 
Masawir Soomaaliya 17

4.6 – 4.6f VHF Digital radio stations and Somalia photos 18.
Masawir Soomaaliya 18 

5 – 5.3e UHF hobby FM radio stations, UHF satellite radio and Somalia photos 19. 
Masawir Soomaaliya 19 

6 – 6.1c TV stations and Somalia photos 20.
Masawir Soomaaliya 20 

6.2a – 6.2c Hobby TV stations and Somalia photos 21. 
Masawir Soomaaliya 21 

6.3 – 6.5 Community TV, Cable TV, Public access cable TV and Somalia photos 22. 
Masawir Soomaaliya 22 

6.6 Pirate TV stations and Somalia photos 23. 
Masawir Soomaaliya 23

6.7 Satellite TV and Somalia photos 24.
Masawir Soomaaliya 24 

6.8 Amateur TV, ATV and Somalia photos 25. 
Masawir Soomaaliya 25 

RADIO COMMUNICATIONS STATIONS, 
RADIO COMMUNICATION STATIONS, 
ELECTROMAGNETIC SPECTRUM,
RADIO EMISSIONS. 
– 33.7

7 – 10.1 Frequencies below 9 kilohertz, Experimental radio below 9 kHz and Somalia photos 26. 
Masawir Soomaaliya 26 

11 – 15.10 TLF, ELF, SLF, ULF, VLF Submarine radio below 30 kHz and Somalia photos 27. 
Masawir Soomaaliya 27 

16 – 16.7 LF, Low Frequency radio 30 kHz – 300 kHz, Amateur radio, Experimental Radio and Somalia photos 28. 
Masawir Soomaaliya 28 

17 – 17.9 MF Medium Frequency radio 300 kHz – 3 MHz, Amateur radio, Experimental radio and Somalia photos 29. 
Masawir Soomaaliya 29 

18 – 18.3 HF, High Frequency radio, Aircraft radio, Amateur Radio, Broadband Internet and Somalia photos 30. 
Masawir Soomaaliya 30 

18.4 HF CB radio, Citizen’s Band radio and Somalia photos 31. 
Masawir Soomaaliya 31 

18.5 – 18.6 HF Experimental radio and Somalia photos 32. 
Masawir Soomaaliya 32 

18.7 – 18.21 HF Ship Radio, Jamming stations, Radar, Radio Astronomy, online HF radios and Somalia photos 33. 
Masawir Soomaaliya 33 

19 – 19.3 VHF, Very High Frequency Radio, Aviation Radio, Ham Radio, Experimental Radio and Somalia photos 34. 
Masawir Soomaaliya 34 

19.4 – 19.17 VHF Marine radio, Police radio, Fire, Medical, Space, scanner radio and Somalia photos 35. 
Masawir Soomaaliya 35 

20 – 20.3 UHF, Ultra High Frequency radio, Amateur radio, Moon radio, Experimental Radio and Somalia photos 36. 
Masawir Soomaaliya 36 

20.4 – 20.6w UHF CB radio, Citizen’s Band Radio, GPS Global Positioning System and Somalia photos 37. 
Masawir Soomaaliya 37 

20.7 – 20.20 UHF Police radio, Fire, Medical, Boat radio, Radio Astronomy, radio scanners and Somalia photos 38. 
Masawir Soomaaliya 38 

21 – 21.3 SHF, Super High Frequency radio, Ham radio, Cosmic Radiation from outer space and Somalia photos 39. 
Masawir Soomaaliya 39 

21.4 – 21.10 SHF Internet Wireless Local Area Networks LAN, Radar, Radio Astronomy, Satellites and Somalia photos 40. 
Masawir Soomaaliya 40 

22 – 22.7 EHF, Extremely High Frequency radio, CMBR Cosmic Microwave Background Radiation from outer space and Somalia photos 41. 
Masawir Soomaaliya 41 

23 – 23.4 THF, Tremendously High Frequency radio, Radio Astronomy, Satellites, Laser, and Somalia photos 42. 
Masawir Soomaaliya 42 

24 – 24.1 Infrared, Infrared radiation, Infrared astronomy, Experimental Infrared radiation and Somalia photos 43. 
Masawir Soomaaliya 43 

25. Light, Visible light radiation, Light communications, Optical astronomy and Somalia photos 44. 
Masawir Soomaaliya 44 

26. UV, Ultraviolet, Ultraviolet radiation, Ultraviolet astronomy and Somalia photos 45. 
Masawir Soomaaliya 45 

27. X-rays, X-ray radiation, X-ray astronomy and Somalia photos 46. 
Masawir Soomaaliya 46 

28 Gamma-rays, Gamma-ray radiation, Gamma-ray astronomy and Somalia photos 47 
Masawir Soomaaliya 47 

29 Cosmic rays, Cosmic ray particles from outer space, Cosmic ray astronomy and Somalia photos 48. 
Masawir Soomaaliya 48

30 – 31. Online radio measurement converters, electronics calculations, electrical calculators and Somalia photos 49. 
Masawir Soomaaliya 49 

32 – 33.7 Radio frequency allocation plans, radio codes, Amateur radio clubs and Somalia photos 50. 
Masawir Soomaaliya 50 




INDEX 2.

The 
Index for the old Somalia 
Ham Radio website is at the bottom of page 1: http://sites.google.com/site/somaliaamateurradio




Contact: Sam Voron VK2BVS, 6O0A. 

Email somaliahamradio@yahoo.com