q file

690 links

VHF Big Wheel Antenna - W4RNL, WA1FXT
A popular 2 meter antenna returns in an improved easier to reproduce form 2008 QST ...

[ Hits: 2407 | Votes: 4 | Rating: 7.5 ]

40-10 Delta Loop Antenna - GU3WHN
A multi band inverted delta loop antenna project that can be used from 40 to ...

[ Hits: 16669 | Votes: 54 | Rating: 7.29 ]

40m Magnetic Loop Antenna - CARC
A coaxial cable tuneable magnetic loop antenna for 7MHz This experimental antenna does not require ...

[ Hits: 3594 | Votes: 4 | Rating: 8.75 ]

Solid vs. Stranded wire in coils - PA1ARE
Skin effect and proximity effect on making coils with stranded wire An interesting comparison on ...

[ Hits: 775 | Votes: 1 | Rating: 1 ]

The 4-Square Rx Vertical Array - IV3PRK
A project for a 4 square vertical array receiving antenna

[ Hits: 586 | Votes: 0 | Rating: 0 ]
15m Four Square antenna - G3NPC
A 21 MHz Four Square Beam Antenna This popular antenna for the lower bands can ...

[ Hits: 1365 | Votes: 0 | Rating: 0 ]
40m Compact 4-Square Antenna - EA5AVL
The EA5AVL 40M Compact 4 Square Antenna was designed to provide excellent DX communications on ...

[ Hits: 1133 | Votes: 3 | Rating: 10 ]

QRP Z-Match Tuner 40-10m - VK5BR
The Z Match is really a basic L Match consisting of a series capcitor and ...

[ Hits: 1802 | Votes: 0 | Rating: 0 ]

Basic Wire Antennas Part II - N4UFP
Presentation about wire antennas, focusing on Loops , inverted L and Verticals

[ Hits: 937 | Votes: 3 | Rating: 9 ]
Basic Wire Antennas Part I - N4UFP
A presentation of popular wire antenna models like Dipoles half size full size doble zepp ...

[ Hits: 1656 | Votes: 0 | Rating: 0 ]
Basic Inverted V Antenna
The Inverted Vee is the most popular antenna used by Ham Radio Operators because it ...

[ Hits: 1333 | Votes: 4 | Rating: 7.25 ]

Some Useful ZS6BKW Modifications - W5DXP
The ZS6BKW antenna evolved from an optimization of the G5RV antenna The SWR on 80m ...

[ Hits: 1035 | Votes: 3 | Rating: 4 ]

QSOMap.org - N9MS
A web site offering a QRZ com integrated mapping service Allows creating a google map ...

[ Hits: 3300 | Votes: 30 | Rating: 9.6 ]

Top Band Frequencies - K8ND
160 meter band allocations by world area with best and known bad frequencies indications ...

[ Hits: 1000 | Votes: 0 | Rating: 0 ]

ICOM IC-7300 English Manual - Icom
English manual in PDF format of the Icom IC 7300 HF 50 MHz transceiver ...

[ Hits: 1462 | Votes: 3 | Rating: 6.67 ]

MA5B Manual - F1JXQ
Cushcraft MA5B 20 17 15 12 10 Meter Beam Antenna assembly and installation manual ...

[ Hits: 693 | Votes: 1 | Rating: 1 ]

AOR AR3000A User Manual - AOR
English user manual of the AOR AR3000A 100 kHz 2036 MHz receiver in FM N ...

[ Hits: 500 | Votes: 0 | Rating: 0 ]

Yaesu VX-8GR Trail Reference Card - Yaesu
The Yaesu VX-8 quick reference card, in PDF format

[ Hits: 665 | Votes: 0 | Rating: 0 ]

Understanding TV and Radio Interference - W1FB
Simple steps you can take to solve most problems caused by station equipment

[ Hits: 490 | Votes: 1 | Rating: 1 ]
144 Mhz Stop band TVI filters - LA8AK
A High pass filter will not help use a stop band filter to notch out ...

[ Hits: 727 | Votes: 1 | Rating: 2 ]