all band

504 links - and 1 categories

Antennas for 160m - The best results work when you have an antenna with a large vertical component. It is difficult to get a horizontal antenna (dipole) high enough to be an effective antenna on 160. However, there are several easy things you can do with your present antenna to initially get on the best amateur radio band
[ Hits: 1124 | Votes: 0 | Rating: 0 ]

Small Transmitting Loop Project - Article about small magnetic loop antennas with notes on realization of magnetic loops for several HF bands and the six meter band
[ Hits: 1080 | Votes: 3 | Rating: 10 ]
40m Small Loop Antenna - A well documented article on a small magnetic loop antenna for the 40 meters band
[ Hits: 2439 | Votes: 7 | Rating: 5.14 ]

80m Limited Space Antenna - 46ft multi-band antenna for small gardens. Works well on 80m. An excellent DX performer and is an ideal replacement for your half size G5RV
[ Hits: 4135 | Votes: 5 | Rating: 6 ]

When and Where to Use Baluns - Baluns are usually used by Hams to feed dipole antennas with 50 ohm coax and to transpose from ladder line feeding a multi-band antenna to the unbalanced input of an antenna tuner.
[ Hits: 1522 | Votes: 9 | Rating: 7 ]

A 10-6-4 three band dipole antenna - A home made dipole antenna for 10m, 6m, 4m bands made with two sections of 450 and 300 Ohm ladder lines, cut to achieve acceptable SWRs on all bands
[ Hits: 1020 | Votes: 5 | Rating: 8.2 ]

2m Band Moxon - Moxon is a rectangle shaped directional antenna, originally designed by Les Moxon G6XN. There are couple of advantages of using this antenna. It is small in size, Easy to mast, Balanced to 50 Ohms, Near 1:1 SWR, Excellent Front to Back (F/B) ratio, Large bandwidth
[ Hits: 583 | Votes: 1 | Rating: 6 ]

Wide Band Active Loop Antenna - A shielded broadband (~200 MHz) active loop antenna offers more quiet and relatively less interference reception.
[ Hits: 611 | Votes: 5 | Rating: 8 ]
Receiving Phased Array with Small Electric or Magnetic Active Wideband Elements - Wideband receiving phased arrays with small electric or magnetic active wideband elements are discussed in details. Practical results and examples are given.
[ Hits: 548 | Votes: 0 | Rating: 0 ]

Z-Match Antenna Tuner - A 100-watt Compact Z-Match Antenna Tuner that can match just about anything on all HF bands, and only uses two control
[ Hits: 2313 | Votes: 2 | Rating: 5.5 ]

5 Element 2M / 70cm Yagi - On this page is the design for Dual Band 2M / 70cm antenna with 3.2mm elements. The antenna has a 50 ohm designed driver. This Yagi has a unique element called a Open Sleeve
[ Hits: 1692 | Votes: 10 | Rating: 5.5 ]

IARU R1 HF BandPlan - June 2016 - A recommendation for all radio amateurs how to use the bands, as revised at the Interim Meeting Vienna 2016, effective 01 June 2016.
[ Hits: 1250 | Votes: 4 | Rating: 5.75 ]

Top Band Frequencies - 160 meter band allocations by world area, with best and known bad frequencies indications.
[ Hits: 999 | Votes: 0 | Rating: 0 ]

Butternut HF9V Installation - Assembling installing and tuning the Butternut HF9V multiband vertical antenna
[ Hits: 726 | Votes: 1 | Rating: 9 ]

DUAL - Antenna and ham equipment manufacturer in Serbia. The Dual company has been producing antennas for more than 25 years focusing on wide bandwidth, designs that work equally well in all weather conditions, very low SWR and superior G/T, F/B and F/S ratios
[ Hits: 400 | Votes: 2 | Rating: 6 ]

Call Book Log 3 - A ham radio logging solution. Built on mysql/maria db and php, it allows you to host a log on a web server and have easy access to viewing editing deleting backing up and restoring the log. Allows everyone to view the log and a central admisitrative section which when logged into allows you to add and edit and remove entries. It features an easy to setup page, run the setup page and enter the required values and your set to start logging. It is primarily mobile friendly, easy on bandwidth and should work well in any browser. If entering a contact that you have worked before it will show the last 5 dates and times of that station.
[ Hits: 859 | Votes: 3 | Rating: 10 ]

My LoTW - My LoTW is a free viewer app for Logbook of the World by ARRL. Features include, View all the QSOs you have submitted to LoTW, Add multiple callsigns under your LoTW account, View all your QSLs, Share digital QSL image which is created by the app for QSLs. Either save it on your device or share it on facebook, View statistics for your worked stations/DXCC/bands etc
[ Hits: 350 | Votes: 2 | Rating: 6 ]

A simple 50W RF Power Amplifier - A simple RF power amplifier initially designed for 40 meter band can work on 10 15 20 40 80 meters
[ Hits: 1632 | Votes: 1 | Rating: 8 ]

AutoCap Tuner for mag loop Antennas - This article describes a loop tuning system that automatically keeps a contest-band loops properly adjusted as operator hop around each band, made with Arduino
[ Hits: 898 | Votes: 2 | Rating: 6 ]

CW Skimmer Softrock-based SDR Array - Tracking all bands, all the time, on a budget, with thie 10-band CW Skimmer Software Defined Radio Array
[ Hits: 587 | Votes: 1 | Rating: 10 ]