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JT65 Frequencies

by on Sep.19, 2014, under Personal

JT65-HF Frequencies

VFO FREQ
28076.0 kHz USB
24917.0 kHz USB
alternate 24920.0 kHz USB
21076.0 kHz USB
18102.0 kHz USB
alternate 18098.0 kHz USB
14076.0 kHz USB
alternate 14075.0 kHz USB
10139.0 kHz USB
alternate 10138.0 kHz USB
alternate 10137.0 kHz USB
7039.0 kHz USB
alternate 7036.0 kHz USB (USA)
7076.0 kHz USB
3576.0 kHz USB

JT65A MF Frequencies VFO Freq
1838.0 kHz USB
alternate 1805.0 kHz USB
501.0 kHz USB
505.0 kHz USB

JT65A LF Frequencies VFO Freq
136.13 kHz USB
Signal Freq: 137.4-137.6 kHz

Terrestrial JT65A VHF Frequencies VFO FREQ
144.076 MHz USB
144.116 MHz USB
144.160 MHz USB
144.120 MHz USB
50.076 MHz USB
50.160 MHz USB
50.260 MHz USB
50.276 MHz USB
50.290 MHz USB

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Antenna Loss in % based on SWR

by on Jul.30, 2014, under Ham Radio

 

SWR READING % OF POWER LOSS OUTPUT TO ANTENNA*
1.0:1 0.0% 100.0%
1.1:1 0.3% 99.7%
1.2:1 0.8% 99.2%
1.3:1 1.7% 98.3%
1.4:1 2.7% 97.3%
1.5:1 3.0% 97.0%
1.6:1 5.0% 95.0%
1.7:1 6.0% 94.0%
1.8:1 8.0% 92.0%
2.0:1* 11.0% 89.0%
2.2:1 14.0% 86.0%
2.4:1 17.0% 83.0%
2.6:1 20.0% 80.0%
3.0:1 25.0% 75.0%
4.0:1 38.0% 62.0%
5.0:1 48.0% 52.0%
6.0:1 55.0% 45.0%
10.0:1 70.0% 30.0%

*Percentage of OUTPUT Power with perfect antenna load
and no other losses in the antenna system!
*SWR 2.0:1* Most transceivers start to reduce power at this SWR level

A Yaesu FT-857 starts to turn down the power at a 3:1 SWR.

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Suggested SOTA QRP Starting frequencies

by on Jul.25, 2014, under Ham Radio

Suggested SOTA QRP Starting frequencies

QRP Frequencies Worldwide
QRP Standard Freq HF-PACK Freq Novice Freq Euro Freq
BAND SSB CW SSB (USB) CW SSB CW SSB CW
160m 1910.0 1810.0 1996.0 1810.0 NONE NONE 1843.0 1843.0
80m 3985.0 3560.0 3996.0 3560.0 NONE 3710 3690.0 3690.0
60m 5403.5 NONE 5371.5 NONE NONE NONE NONE NONE
40m 7285.0 7040.0 7296.0 7038.5 NONE 7110 7090.0 7030.0
30m NONE 10106.0 NONE 10117.5 NONE NONE NONE NONE
20m 14285.0 14060.0 14342.5 14059.0 NONE NONE NONE NONE
17m 18130.0 18096.0 18157.7 18081.5 NONE NONE NONE 18085.0
15m 21385.0 21060.0 21437.5 21060.0 NONE 21110 21285.0 NONE
12m 24950.0 24906.0 24977.0 24926.0 NONE NONE NONE NONE
10m 28385.0 28060.0 28327.5 28060.0 NONE 28110 NONE 28360.0
6m 50125.0 50050.0 50162.5 50050.0 NONE NONE NONE NONE

Have a fun and safe activation!

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Canadian Marine Radio Frequencies

by on Jul.03, 2014, under Ham Radio

Channel Frequency
0 156.000
1 156.050 Public Correspondence (Ship-to-Shore Duplex) – BC Coast
2 156.100 Public – BC Coast
3 156.150 Public – BC Coast/Inland
4 156.200 Ship-to-ship/shore, commercial and safety – East Coast and Inland  A
5 156.250 Ship Movements
6 156.300 Ship-to-ship + Ship-to-Air
7 156.350 General working channel
8 156.400 Ship-to-ship – East and west coasts, Lake Winnipeg
9 156.450 Ship-to-air for maritime support – Atlantic and BC coasts
10 156.500 Ship-to-air – SAR and antipollution – General working – Atlantic and BC coasts, Great Lakes
11 156.550 VTS – BC Coast – Pilotage  A 
12 156.600 VTS – BC Coast – Port and pilot ops  A 
13 156.650 VTS – BC Coast – Bridge-to-bridge safety  A
14 156.700 VTS – BC Coast – Port and pilot ops  
15 156.750
16 156.800
17 156.850
18 156.900
19 156.950 Canadian Coast Guard – Working Channel
20 157.000
21 161.650 Continuous marine broadcasts  B  (WX 8)
22 157.100
23 157.150
24 157.200
25 157.250
26 157.300
27 157.350
28 157.400
60 156.025
61 156.075
62 156.125
63 156.175
64 156.225
65 156.275 Marine Assistance Working Channel
66 156.325 Marinas – BC Coast
67 156.375
68 156.425
69 156.475
70 156.525
71 156.575
72 156.625 Ship-to-ship
73 156.675
74 156.725
75 156.775
76 156.825
77 156.875
78 156.925
79 156.975
80 157.025
81 157.075
82 157.125 Canadian Coast Guard – Working Channel
83 161.775 Continuous marine broadcasts  B  (WX 9)
84 157.225
85 157.275 Radio Telephone – Duplex
86 157.325
86 157.325
87 157.375
88 157.425
87B 161.975
88B 162.025

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Nick Offerman (Ron Swanson) Narrates this epic video

by on Jun.26, 2014, under Found, Videos

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