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Query: qsl
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A detailed review of the Icom IC-7700 by VA7OJ/AB4OJ -
Elecraft K2 mod. Narrower bandpass filter, better stopband attenuation -
Yaesu FT-450D HF / 6 Meter DSP Transceiver, a nice affordable transceiver for amateur radio use, but understand the caveats. -
Amateurfunk Homepage des DARC Ortsverbands Vaterstetten C01 -
An home made simple spectrum analyzer project includes pictures and diagram. -
Most Common Service Questions for the Icom IC-R7000 and IC-R7100 -
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How to build a Simplified Arduino CW Trainer, this is a version that does not need a keyboard. -
A collection of QSL confirming EME contacts -
DX Pedition from Palau T88RF Apr.30 - May 4, 2012 -
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FP, St Pierre - Miquelon from about 15 March to 21 March 2011 -
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Active RDF club in California -
Dedicated to promoting the contributions of women in Amateur Radio. -
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Amateur Radio Section, Isle of Wight England UK -
FSQ is a Fast Simple QSO mode designed specifically for HF. It works well under NVIS and sunrise/sunset conditions on the lower bands, and also works well for short skip and grey-line on higher bands and can be used also on VHF FM. -
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separate the K2 dot paddle input from the PTT -
This small dual band UHF VHF directional antenna is good choice for portable operations. This antenna is composed by a moxon antenna for the two meters band and it includes two parastatic elements for 70 cm band. -
Hy-Gain TH3jr Tri-band HF 3 Element Beam Covers 10, 15 and 20 Meters assembly instruction manual -
Once you have designed your QSL label from the Label Settings screen, you will be able to print QSL labels and address labels from the OQRS requests submitted for your Call or Calls. -
Amateur Radio enthusiasts who are interested in the LF and MF bands may be familiar with WSPR and WSJT JT9. Used as a propagation probe or beacon, WSPR allows very weak signals to be detected, frequently as weak as -27dB SNR. -
This antenna just requires about 24m of free space instead of 41m that a normal half wave 80m antenna needs to hang up. The so called loaded dipole uses a coil in every dipole arm to electrically lengthen the mechanical too short dipole arms. Every coil has an inductivity of 120 microHenry. -
2 Wavelength ,2 Meter Bi-Square Beam , 5dbd gain. This antennas are very cheeap to build and their radiation pattern is similar to a figure 8 with maximum signal through the loop but they may be used as a near-omnidirectional antenna -
Cape otway lighthouse, home of vk3owl during the international lighthouse amateur radio weekend -
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Ham Radio in Middle Tennesse -
This will document a custom version of the K4EAA Dummy load done using 20 1K ohm 3 Watt Resistors, Piece of brass sheet, a quart paint can and a BNC connector -
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A Western Pennsylvania Radio Guide -
Testing the Icom IC-7700 on the mediumwave broadcast reception by VA7OJ -
S.C.A.R.T is a club based in the Southampton area of the UK open to everybody who is interested in amateur television and video related subjects. -
Echelford amateur radio society is based in ashford, middlesex, uk. has about 80 members. -
This transmitter covers the 160, 80, 40 and 20 metre bands and provides both SSB and properly generated CW. The CW side of this transmitter is not compromised and produces excellent CW. On SSB the audio has been tailored to provide a rising response to 3 KHz, with a sharp drop above that frequency. There is RF speech clipping to both provide more "punch" and to limit the peak output. -
University of Bristol Amateur Radio Society -
This will show you how to add a RF power amplifier to your Proxim Symphony for under $50. The cost is reduced by using the existing components on the Symphony, such as the PIN diode switch, and just inserting a higher power final amplifier. Increase the RF output power of your wireless network card to 1 Watt. -
Station information, Morse CW information, antenna photos -
A j-pole antenna plan with drawings and dimensions that can help you on building your own j-pole antenna for the six meters band -
A simple and effective sleeve type balun is easily built. This Balun can be adapted to any band. While the dimensions are not critical ( +/- 10%), it is still basically a mono band device -
A very essential j-pole antenna for 144 MHz. To adjust the SWR you will have to play with the 40mm distance between the coax feed and the braid inner conductor connection -
Uderstanding Single Operator two radios amateur radio contesting mode, an article by CT1BOH -
Torbay Amateur Television and Microwave Group GB3TB 23cms Repeater at IO8ØFL -
An home madek Audio CW Filter made simply using SMD Components -
This is an open repeater for everyone to use. Auburn Hills, MI -
A 3 band dipole antenna for 40-80-160 meter bands, It's made with easily available materials and is designed for inverted V mounting. The antenna is shortened for these bands, but still manages to make contacts in 80m and 160m with stations in Canada and the USA. The construction details are provided, including the dimensions of the antenna elements and the traps. The antenna is easy to build and provides good performance in all three bands. In Italian. -
The Icom IC-7700 spectrum scope feature a minimum resolution bandwidth of just 100 Hz and provide also an accurate vertical amplitude tracking permitting to use the 7700 as a bench spectrum analyser.
