on power on hf

98 links - and 1 categories

Homebrew EFHW Antenna for Low Power HF (40/20/15/10m) - vk1nam ^new
This describes a homebrew End Fed Half Wave EFHW antenna for low power SOTA Parks ...

[ Hits: 63 | Votes: 1 | Rating: 10 ]

A High Performance RF Choke for the HF bands - M0XYF
Home brewing a high performance, high power common mode choke for HF bands

[ Hits: 153 | Votes: 0 | Rating: 0 ]

Indoor QRP HF Loop Antenna - DL4YHF
A home made magnetic loop for HF Bands This small and compact loop is designed ...

[ Hits: 324 | Votes: 1 | Rating: 10 ]

PolEx Technologies - PolEx Technologies
Makers of the The Polar Explorer transmitter which operates on 9 HF bands from 160 ...

[ Hits: 501 | Votes: 0 | Rating: 0 ]

Setting Up Your HF Station - K8ZT
From buying an amateur radio transceiver choosing the correct power supply selecting the antenna and ...

[ Hits: 190 | Votes: 2 | Rating: 8.5 ]

Ribbit digital text messaging mode for HF/VHF/UHF - RibbitRadio
Ribbit is a novel digital text messaging mode for VHF UHF communications for recreational and ...

[ Hits: 134 | Votes: 1 | Rating: 10 ]

40 MHz 8m Band Amateur Radio Exploration - G3XBM
The 8m ISM band a unique frequency range between 10m and 6m holds potential for ...

[ Hits: 76 | Votes: 1 | Rating: 8 ]

A Compact 600W Broadband HF Power Amplifier - M0HZH
A 600W 1 8 MHz to 54 MHz power linear amplifier made using rugged MRF300 ...

[ Hits: 599 | Votes: 6 | Rating: 7.33 ]
20 W HF Power Amplifier - IN3OTD
A HF power amplifier with a push pull of AFT09MS015N The small signal gain of ...

[ Hits: 176 | Votes: 0 | Rating: 0 ]
Building a Robust PL519 Tube HF Amplifier - DL1DWG
his article explores the construction of a PL519 tube amplifier utilizing Ulrich L Rohde N1UL ...

[ Hits: 73 | Votes: 0 | Rating: 0 ]

432 MHz 100W RF Power Amplifier - VK3BRZ
This article describes the construction of a 100 Watt 70 cm amateur band linear power ...

[ Hits: 242 | Votes: 1 | Rating: 9 ]
100W UHF Linear Amplifier - M1GEO
This page details my building of a 100 Watt Power Amplifier for the 432 MHz ...

[ Hits: 193 | Votes: 0 | Rating: 0 ]

70cm Beacon - S57NAN
PLL synthesized 70cm CW beacon exciter The exciter is built arround a slightly more advanced ...

[ Hits: 131 | Votes: 1 | Rating: 10 ]

QRP Dummy Load - N5ESE
This is another variation on the parallel resistor dummy load It is perfect for QRP ...

[ Hits: 58 | Votes: 0 | Rating: 0 ]

Experimental HF 6-band SSB transceiver - DK7IH ^updated
An SSB radio for the HF bands will be presented Featuring 12 to 20 Watts ...

[ Hits: 773 | Votes: 15 | Rating: 9.34 ]
PCM Kestrel HF Transceiver - vk3yy
This article describes an upgrade to the Kestrel transceiver replacing its LCD display with a ...

[ Hits: 69 | Votes: 0 | Rating: 0 ]

Building a 20W All-Band HF SDR with Softrock 6.3 - TF3LJ ^new
This project describes a DIY all band HF SDR transceiver Built around a Softrock 6 ...

[ Hits: 118 | Votes: 1 | Rating: 1 ]

Transverter for 50 70 28 MHz - YO4HFU
This multiband transverter project features power output at 13 8V 50MHz 15W 70MHz 10W second ...

[ Hits: 155 | Votes: 1 | Rating: 10 ]