cheap qsl
12 links
- A cheap dual band ground plane antenna
- This little antenna is cheap and easy to build, lightweight, and very functional on 2 meters and 70 centimeters by NA4IT
[ Hits: 3465 | Votes: 3 | Rating: 6 ]
- M0RUN portable 2 m antenna
- Cheap and light portable 2m Yagi
[ Hits: 716 | Votes: 0 | Rating: 0 ]
- QRP homebrew equipment by py2ohh
- py2ohh homebrewing of receivers, transmiters and Test Equipment for ham and swl, using cheap, easy to find or surplus components
[ Hits: 12090 | Votes: 11 | Rating: 7.55 ]
- Cheap QSL'S
- Low cost QSL cards for the Amateur and SWL
[ Hits: 4689 | Votes: 11 | Rating: 8.91 ]
- HF power amplifier using GI7B
- Gi7b is tube designed for microwaves but working good as HF amplifier. Idea is to build cheap, reliable HF amplifier covering 160 meters band.
[ Hits: 4062 | Votes: 12 | Rating: 4.92 ]
- 2 m. Band VHF PA 5 Watts
- A VHF power amplifier made with two cheap RF transistors, 2N3924 as driver and a BFS22A for final stage, giving an unexpected output power of 7-8 watts maximum
[ Hits: 1984 | Votes: 1 | Rating: 10 ]
- Antenna elevator system for amateur satellites
- Smart homebrew antenna-ELEVATOR system with linear actuator. The actuator is a cheap and heavy tool with high enough torque, ideal for elevation systems, but in practice it needs quite an effort in order to operate correctly in your homebrew antenna system. This page inform you of the actuator's secrets.
[ Hits: 22311 | Votes: 44 | Rating: 7.66 ]
- A Cheap & Easy 2.4GHz Feed
- The KI7CX 2.4 GHz Cheap & Easy antenna/feed
[ Hits: 442 | Votes: 1 | Rating: 5 ]
- 432MHz Low Noise Preamp
- An easy to build with a cheap HEMT FET Transistor Low noise preamplifier with FHX35LG based on JH0WJF design
[ Hits: 763 | Votes: 1 | Rating: 10 ]
- Sub-Tone Generator for repeater triggering
- If you need a cheap and easy to construct Subtone Generator for EU-model VHF-UHF rig, here is a solution that works very well.
[ Hits: 1039 | Votes: 4 | Rating: 8 ]
- 100MHz Spectrum Analyzer
- This Spectrum Analyzer supposes to be a cheap and a useful device for any ham radio by Iulian Rosu, YO3DAC / VA3IUL
[ Hits: 1583 | Votes: 4 | Rating: 1 ]
- Build a Test Meter
- This article include a circuit that allows a cheap 0-1mA meter to be used as a micro-ammeter or a milli-voltmeter
[ Hits: 257 | Votes: 0 | Rating: 0 ]
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