qrp cw transceiver
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Antennas : End-Fed : End Fed Half Wave Antenna- End fed half wave antenna 40/30/20m
- For my SOTA activities, i recently bought a QRP transceiver QRP SW-3B, which is a three-band QRP CW only for 40/30/20 m.
So, i needed an antenna that would allow to use these 3 bands in SOTA portable activity.
Already having some experience with the EFHW antenna, i decided to build one for 40/30/20m.
[ Hits: 168 | Votes: 0 | Rating: 0 ]
- WA3RNC Electronic Kits
- Electronic Kits manufacturer, produce the Penntek TR-45L QRP Transceiver and the TR-25 CW Transceiver Kit
[ Hits: 349 | Votes: 2 | Rating: 9 ]
- WA3RNC QRP Kit Online Store
- Manufacturer of the TR-35 4-Band 5-Watt CW Transceiver Kit
[ Hits: 203 | Votes: 1 | Rating: 10 ]
- (tr)uSDX
- The (tr)uSDX is a 5-Band / Mulitmode QRP Transceiver in Pocket Format (90x60x30mm - 140g). It features a highly efficient Class E PA and Supports CW/LSB/USB and AM/FM. Right now it covers 80/60/40/30/20m and in Future there will be support for 17/15/12/10m
[ Hits: 202 | Votes: 2 | Rating: 10 ]
- EA2CW QRP Portable radio setup
- A portable QRP setup based on 20/30/40m QRP CW-only SW-3B transceiver, 2500mAh 5C LiPo battery (147g), Hands Free Nanokeyer
[ Hits: 105 | Votes: 0 | Rating: 0 ]
- SW-3B QRP CW RTX
- The SW-3B is a Three-band CW QRP transceiver, Weight 180g, output power 5W at 12v, 2W at 9v, works on 40 30 and 20 meters band
[ Hits: 121 | Votes: 0 | Rating: 0 ]
- Pititico CW Transceiver
- Pititico CW QRPP transceiver designed by PY2OHH. One of the smallest and simplest transceivers designed around a 2N2222 transistor.
[ Hits: 100 | Votes: 0 | Rating: 0 ]
- Yaesu FT-818 Review
- An owner point of view of the Yaesu FT-818 QRP transceiver capable to work HF VHF UHF in CW, AM, LSB, USB, FM, PACKET.
[ Hits: 34 | Votes: 1 | Rating: 9 ]
- Arduino QRP Transceiver: DIY Success on HF Bands
- This article introduces an Arduino-based QRP CW Transceiver designed for lower HF bands. The journey begins with the Wotduino, evolving from a keyer to a multi-mode beacon. The development includes a QRP transmitter and culminates in a receiver inspired by Roy Lewallen design. The transceiver, controlled through a control bus features a signal path, modulation, filtering, and adjustable frequency settings. Despite initial testing intentions, successful QSOs on 80 and 40 meters showcase its functional capabilities.
[ Hits: 109 | Votes: 1 | Rating: 1 ]
- QRP Transceiver for 15m
- This is a CW 1W transceiver with only three transistor. The author has been able to make QSO by this little transceiver with Saga, Asahikawa (domestic far distance city),and Indonesia and Taiwan.
[ Hits: 85 | Votes: 0 | Rating: 0 ]
- Homebrew uSDX TRX
- The Homebrew uSDX SDR TRX is an experimental transceiver primarily designed for CW and Digital modes due to limitations in meeting FCC requirements for SSB. Developed from the QRP Labs QCX, it incorporates advanced SDR features while utilizing an 8-bit ATMEGA328P. The µSDX community fosters open-source development with various design streams and versions, encouraging collaboration and sharing among enthusiasts.
[ Hits: 47 | Votes: 0 | Rating: 0 ]
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