Antennas
733 videos • 7,693 views • by David Casler Ask Dave
1
[Private video]
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2
[Private video]
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3
[Private video]
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4
[Private video]
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5
[Private video]
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6
[Private video]
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7
Feb 2014 MARC Antenna Repair Party
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8
Ask Dave Episode 1: Antenna Analyzers
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9
Using a Manual Antenna Tuner: Ask Dave Episode 5
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10
Ask Dave 11: Antenna Questions
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11
Antenna Types and Terminology: AD#30
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12
How does a J-pole antenna work? AD#36
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13
How to build a J-pole with twinlead: Ask Dave #42
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14
[Private video]
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15
[Private video]
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16
[Private video]
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17
[Private video]
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18
[Private video]
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19
Antennas for Difficult Situations: Ask Dave Episode 7
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20
Unboxing of Chameleon CHA P-LOOP 2.0 HF Loop Antenna: AD #53
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21
Unboxing the MFJ-1788 Loop Antenna (#59)
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22
Cleaning a Heathkit Coax Switch with Deoxit (#60)
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23
The Alpha-Delta Transi-Trap Lightning Surge Protector (#61)
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24
How To Attach Crimped Coax Connectors (#62)
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25
Review of MFJ-1788 Mag Loop Antenna (#63)
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26
Another Try Fixing the MFJ-1788 - Fail! (#64)
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27
MFJ 1788 Loop Antenna Fixed (#65)
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28
[Private video]
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29
Help me test the Chameleon P-Loop (#69)
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30
Review of Chameleon P-Loop Magnetic Antenna (#70)
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31
Review of the MFJ-1835 Cobweb Antenna (#71)
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32
LMR-400 Coax Cable and Connector (#72)
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33
All About Baluns (Ask Dave #73)
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34
Unbox and Test of W6LVP Receive-Only HF Loop (#74)
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35
[Private video]
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36
Unbox and Test MFJ-849 Digital SWR Meter (AD #76)
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37
Unbox and Test FD-094B HDTV RX Antenna (#78)
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38
My Station Antenna, Butternut HF-9V (#79)
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39
Four MFJ wire antennas: Unboxing (#84)
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40
Setting up to Test Wire Antennas (#85)
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41
Making and Using a Simple 40-m Dipole (#86)
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42
MFJ-6120 Zepp and MFJ-6220 Collinear Review and Test (# 87)
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43
Review of MFJ-1984MP End-Fed Multi-band Antenna (# 89)
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44
Exploring the Yagi, Log Periodic, and Phased Array Antennas (#92)
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45
Review of Pracomm SML-1000-1 HF Loop Antenna (# 95)
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46
Modeling Common Dipole Variations (#101)
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47
Modeling the Simple Inverted Vee Antenna #102
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48
Which is better: Vertical or Dipole? (#106)
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49
Decoding Antenna Modeling Charts (#110)
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50
20/40 Two Band Dipole Modeled (#112)
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51
MFJ Extends its Cobweb Antenna to 40 Meters (#114)
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52
Review of Alpha Loop and Buddipole Buddistick (#116)
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53
Review using DMR of Diamond A430S10 70cm Beam Antenna (AD #124)
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54
The Mighty Rhombic, the King of Antennas (AD #128)
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55
Ask Dave on Antenna Topics (#136)
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56
Ask Dave Antenna Questions #3 (#138)
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57
What I discovered by modeling the MFJ -1846 Hex Beam (#159)
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58
Hy-gain AR-500 Antenna Rotator and erection of MFJ-1846 (#160)
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59
Performance Test of MFJ-1846 Six-Band Hex-Beam Antenna (#161)
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60
Ask Dave: Recommendations (#150)
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61
More on the J-pole Antenna (#163)
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62
Antenna Questions and Recommendations (Ask Dave #165)
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63
How High Should a Dipole Antenna Be? (#176)
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64
Dave and Trevor discuss antennas (#168)
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65
Dave and Trevor Answer Antenna Questions (#169)
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66
Unboxing the MFJ-2104 Octopus Antenna (#182)
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67
Review and test of Buddipole Deluxe Antenna (HRA #181)
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68
Chameleon Antenna Factory Tour (#210)
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69
40m Dipole Construction and Troubleshooting (#215)
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70
Knot for Coax Strain Relief (#216)
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71
Fun with SWR: Presentation I gave at Albuquerque Duke City Hamfest (#221)
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72
Fun with SWR: Presentation I gave at Albuquerque Duke City Hamfest (#221)
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73
SteppIR BigIR Vertical Antenna Installation and Testing (#232)
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74
Heights Tower and SteppIR DB-18 Beam at N6GR (#243)
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75
Ham Radio HF Unity Gain Antenna Survey (#246)
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76
Oops...the Alpha Delta DX-EE can't be the Reference Antenna (#248)
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77
Reference Station: A simple 20-foot mast (#250)
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78
Reference Station Antenna Redux: MFJ-2010 OCFD for 40, 20, 10, 6m (#252)
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79
Another Look at the4 Alpha-Delta DX-EE Antenna (#264)
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80
Stay at Home Special: MFJ-17754 Antenna Part 2: on 40m (#266)
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81
How to shorten your wire antenna without cutting it (#268)
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82
Stay at Home Special: A Simple Microwave Coaxial Sleeve Dipole for ADS-B (#276)
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83
MFJ Duplexer--Two radios, one antenna, or vice versa (#283)
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84
Unboxing the MyAntennas EFHW-80-10 End Fed Antenna (#292)
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85
Erecting the MyAntennas.com EFHW-8010 End-fed Half Wave Antenna and Initial Testing (#295)
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86
Performance of the MyAntennas.com EFHW-8010-1K Antenna (#296)
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87
[Private video]
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88
[Private video]
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89
[Private video]
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90
[Private video]
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91
An Unusual Jpole Antenna (#302)
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92
Effect of the MFJ-915 Choke Balun (#304)
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93
Five Wire Antennas Vying for Reference Station (#314)
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94
How to Read Crossed-Needle SWR/Watt Meters (#315)
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95
SuperAntenna: Oggie AC3EK's Experience (#327)
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96
A Bear or Bigfoot? Large Animal vs MFJ-1886, Animal Wins (#328)
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97
Recovering the MFJ-1886 RX-only Loop Antenna; Disassembly and Testing (#329)
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98
Why is Coax 50 Ohms? (#340)
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99
Antenna Over House? (#341)
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100
Add a Receive-Only Antenna to Your HF Rig (#345)
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101
Radials, Radials, Radials! Learn about radials! (#350)
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102
Survey of Less-Expensive Vertical Antennas (#356)
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103
How Antenna Traps Work (#357)
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104
Frequency, Wavelength, and the Speed of Light (#358)
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105
My Radial Field is not Level. Will it Still Work? (#360)
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106
Why Won't My 80-Meter Dipole Cover the Whole Band? (#363)
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107
Where Can I Put My HF Antenna? (#366)
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108
Ladder Line, Twin Lead, Window Line (#367)
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109
Why So Little Loss? (#368)
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110
Repairing my MFJ-1886 Receive-only Loop Antenna (#371)
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111
Another Difficult Antenna Situation (#375)
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112
Why Do Some Verticals Have Radials and Some Do Not (#377)
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113
What is the Base Holding Up My Hexbeam? (#379)
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114
80M Antenna Frustration! (#389)
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115
What Am I Tuning When I Tune My Antenna Tuner? (#391)
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116
Wideband Antennas for SDR Radios (#396)
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117
Tower Placement Conundrum (#398)
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101
Radials, Radials, Radials! Learn about radials! (#350)
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102
Survey of Less-Expensive Vertical Antennas (#356)
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103
How Antenna Traps Work (#357)
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104
Frequency, Wavelength, and the Speed of Light (#358)
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105
My Radial Field is not Level. Will it Still Work? (#360)
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106
Why Won't My 80-Meter Dipole Cover the Whole Band? (#363)
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107
Where Can I Put My HF Antenna? (#366)
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108
Ladder Line, Twin Lead, Window Line (#367)
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109
Why So Little Loss? (#368)
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110
Repairing my MFJ-1886 Receive-only Loop Antenna (#371)
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111
Another Difficult Antenna Situation (#375)
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112
Why Do Some Verticals Have Radials and Some Do Not (#377)
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113
What is the Base Holding Up My Hexbeam? (#379)
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114
80M Antenna Frustration! (#389)
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115
What Am I Tuning When I Tune My Antenna Tuner? (#391)
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116
Wideband Antennas for SDR Radios (#396)
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117
Tower Placement Conundrum (#398)
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118
Can I Put One End of a Dipole Next to my VHF Antenna? (#399)
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119
80M Antenna with HOA Constraints (#400)
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120
What Does Weird Length Feedline do to Impedance? (#401)
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121
Will My Neighbor's Metal Roof Affect My VHF Signal? (#403)
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122
Does SWR Matter on my Receive-Only Antenna? (#406)
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123
Can Adding a Metal Mast Disrupt an Antenna? (#410)
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124
Keeping Your Dipole Well Fed (#412)
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125
Can Attic Antennas Fry Pets? (#414)
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126
Antenna Separation Anxiety (#416)
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127
How to Hang Ladder Line (#417)
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128
80 Meter Antenna Woes (#418)
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129
80 Metter Difficulties and Expensive Radios (#419)
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130
Review of Bilal Isotron 20m Single Band Antenna (#420)
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131
Antennas Vs Trees (#421)
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132
Metal Ham Shack - Issues and Improvements (#423)
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133
Questions on Verticals? (#424)
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134
Antennas at Sea! (#426)
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135
Radio Set up on a Pickup Truck (#427)
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136
First Antenna Questions (#429)
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137
Does burying coax help reduce stray emissions? (#430)
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138
Defective Radio or Setting Issues? (#431)
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139
To Choke or not to Choke? (#432)
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140
Antenna Coupling Concerns (#434)
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141
Ionopheric Propagation of Dipoles (#435)
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142
Turning Flagpole into Antenna! (#436)
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143
Those Pesky Metal Roofs! (#438)
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144
New Ham Questions (#439)
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145
Keep Antennas in the Clear (#441)
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146
Sloping an EFHW Dipole (#442)
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147
Do I need to Aim a Dipole? (#443)
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148
Swaying Trees and Metal Roofs (#445)
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149
Grounding Masts (#446)
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150
Analyzing Analyzers (#447)
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151
How close can Antennas be? (#449)
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152
Fan Dipoles (#450)
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153
Marine Vs Ham Antennas (#453)
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154
Roll-up J-Pole for Hiking (#454)
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155
How to Attach Radials to a Radial Plate (#455)
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156
Tuning Ham-sticks on the CHA-Spider-ASD stand (#458)
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157
The Proper Connecting Sequence for Ham Radio (#459)
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158
All about the Grayline! (#460)
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159
Best Antenna Practices (#461)
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160
The Hex Beam Support Structure (#463)
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161
Good Grounding (#464)
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162
A Switch from Receiving to Transmitting (#465)
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163
Tall Pine Trees (#466)
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164
Noise Canceling Methods (#467)
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165
The Applying and Handling of Lightning Arrestors (#468)
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166
Yagi Configurations (#469)
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167
Antenna Options for a Blind Ham (#472)
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168
The Take-off Angle Theory (#473)
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169
Getting your Equipment in the Right Order (#474)
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170
Antenna Questions (#475)
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171
Attaching Coax to a Dipole (#477)
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172
Attaching the Coax to a Dipole (#477)
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173
RF Safety Issues with Pedestrian-Mobile Antenna (#478)
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174
Repair of OCFD Antenna (#479)
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175
To Resonate or Not to Resonate? (#480)
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176
Antenna Theory is Different from Circuit Theory. (#481)
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177
Mechanical Issues with EFHW Antenna (#482)
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178
An Interesting, New Fan Dipole Technique (#483)
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179
An Interesting, New Fan Dipole Technique (#483)
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180
Antennas and Connectors! (#484)
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181
Protecting an Antenna with no inherit Grounding Protection (#487)
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182
Ground Means Ground! (#488)
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183
Pl-259 vs N-Connectors is similar to Ford vs Chevy (#489)
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184
Squirrels VS Antennas (#490)
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185
Making a Dipole Stay Up (#491)
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186
Magnetic Inner Loop Shaping (#493)
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187
Grounding a Counterpoise on End-Fed Half Wave Antenna (#494)
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188
Magnetic Inner Loop Shaping (#493)
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189
Radials can be Shocking! (#496)
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190
A Mobile or Handheld for 1st Tech Station (#497)
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191
The Effect of Ground Slope on Antenna Patterns (#498)
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192
Ground Rod Options (#499)
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193
One Coax, Several Radios (#500)
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194
Counterpoises and Transmission Line Mysteries (#501)
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195
Counterpoises and Transmission line Mysteries (#501)
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196
Antenna Tuners Don't Affect Antenna Range (#503)
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197
Effective Indoor Antennas (#504)
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198
Hunting Noise with Loop Antenna (#505)
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199
20 Meter Dipole Covers Entire Band (#506)
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200
Overdoing the Octopus Antenna (#507)
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