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     Northam, Western Australia
     QRZ Page: VK6YSF

 

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µV to dBm CONVERSION

Conversion from dBm with Z=50Ω impedance to µV.


HOME  > OPERATIONAL >REFERENCES >

 

dBm (sometimes dBmW or decibel-milliwatts) is an abbreviation for the power ratio in decibels (dB) of the measured power referenced to one milliwatt (mW). 

dBm (sometimes dBmW or decibel-milliwatts) is an abbreviation for the power ratio in decibels (dB) of the measured power referenced to one milliwatt (mW). 

 

Conversion from dBm with Z=50Ω impedance to µV

 

Conversion from -125 dBm with Z=50Ω impedance to µV

 

 

Conversion from µV with Z=50Ω impedance to dBm

 

Conversion from 0.13µV with Z=50Ω impedance to dBm

 

Horizontal values are dBm with the vertical values being µV.

 

dBm

uV

dBm

uV

dBm

uV

0

223607

-47

998.81

-94

4.4615

-1

199290

-48

890.19

-95

3.9764

-2

177617

-49

793.39

-96

3.5439

-3

158301

-50

707.11

-97

3.1585

-4

141086

-51

630.21

-98

2.8150

-5

125743

-52

561.67

-99

2.5089

-6

112069

-53

500.59

-100

2.2361

-7

99881

-54

446.15

-101

1.9929

-8

89019

-55

397.64

-102

1.7762

-9

79339

-56

354.39

-103

1.5830

-10

70711

-57

315.85

-104

1.4109

-11

63021

-58

281.50

-105

1.2574

-12

56167

-59

250.89

-106

1.1207

-13

50059

-60

223.61

-107

0.9988

-14

44615

-61

199.29

-108

0.8902

-15

39764

-62

177.62

-109

0.7934

-16

35439

-63

158.30

-110

0.7071

-17

31585

-64

141.09

-111

0.6302

-18

28150

-65

125.74

-112

0.5617

-19

25089

-66

112.07

-113

0.5006

-20

22361

-67

99.88

-114

0.4462

-21

19929

-68

89.02

-115

0.3976

-22

17762

-69

79.34

-116

0.3544

-23

15830

-70

70.71

-117

0.3159

-24

14109

-71

63.02

-118

0.2815

-25

12574

-72

56.17

-119

0.2509

-26

11207

-73

50.06

-120

0.2236

-27

9988

-74

44.62

-121

0.1993

-28

8902

-75

39.76

-122

0.1776

-29

7934

-76

35.44

-123

0.1583

-30

7071

-77

31.59

-124

0.1411

-31

6302

-78

28.15

-125

0.1257

-32

5617

-79

25.09

-126

0.1121

-33

5006

-80

22.36

-127

0.0999

-34

4462

-81

19.93

-128

0.0890

-35

3976

-82

17.76

-129

0.0793

-36

3544

-83

15.83

-130

0.0707

-37

3159

-84

14.11

-131

0.0630

-38

2815

-85

12.57

-132

0.0562

-39

2509

-86

11.21

-133

0.0501

-40

2236

-87

9.99

-134

0.0446

-41

1993

-88

8.90

-135

0.0398

-42

1776

-89

7.93

-136

0.0354

-43

1583

-90

7.07

-137

0.0316

-44

1411

-91

6.30

-138

0.0282

-45

1257

-92

5.62

-139

0.0251

-46

1121

-93

5.01

-140

0.0224

  

 

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Page initiated 09 December, 2018 

Page last revised 05 November, 2025 

 

 

   Space Weather

   https://www.swpc.noaa.gov/

    

Nikola Tesla, born on 10 July 1856, was one of 

history's most influential inventors.

   Notice Board

VK6YSF JS8Call and Olivia 8/250 operations.

Current activity is generally focused - though not restricted to - JS8Call operations on the 30m, and 40m bands.

Olivia 8/250 is used occasionally on the 20m band.

Proposed band and mode activity is often communicated on HamSpots: https://hamspots.net/js8/ or my profile on 

X: https://x.com/vk6ysf97230 .  

Post date: 5 July 2026

 

Local Repeaters

The Local Repeaters page has been updated with expanded and refreshed information on VHF and UHF repeaters across Western Australia's Central Coast, Perth, the Avon Valley, and the Peel region.

See: https://vk6ysf.com/local_repeaters.htm 

Post date: 5 July 2026

 

MARMOTSat

An exciting upcoming amateur radio CubeSat

Proposed launch date: 7 July 2026

Expected payload includes:

145.875 MHz – AX.25 packet digipeater
436.125 MHz – Telemetry & command (digital)
29.410 MHz – CW telemetry beacon, DVB-S2 experiments.

https://marmotsat.ca
https://www.propagationlab.ca/satellite/

Post date: 5 July 2026

Western Australian SSTV net 

Popular Western Australian SSTV net for both digital and anolog SSTV.

Generally found at 7214.0kHz LSB every afternoon from 08:00 UTC (4:00pm WST)

For more details: https://www.wasstv.net/wasstv.net/index.html

Post date: 8 December 2025

 

VK6MJM LF (136kHz) and MF (474kHz) Beacon

VK6MJM is a  LF/MF station located in Manjimup, Western Australia.

Common Mode: FST4W 300 (Similar to WSPR)  

Note: other modes and sub-modes may be used.

Station details were presented by Peter Hall (VK6HP) at PerthTech 2024.Presentation PDF: Peter Hall VK6HP at PerthTech

QRZ Page: VK6MJM on QRZ.com

Post date: 10 March 2025

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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