14 mhz

14 mhz

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• HF Copper Loop  ^pop - A small transmitting loop antenna for 14MHz and 21MHz. This is an antenna you might consider if you have limited space, by Lloyd Butler VK5BR Based on material originally published in Amateur Radio, 11 1991
  [ Hits: 25356 | Votes: 21 | Rating: 6.63 ]

• Homemade 20 metre band Loft Dipole - An homebrewed dipole antenna for 14MHz
  [ Hits: 3078 | Votes: 3 | Rating: 3.67 ]

• A 146 Mhz J-Pole Antenna  ^pop - A 2 meter (146 Mhz) J-Pole antenna that is inexpensive, and easy to build.
  [ Hits: 115809 | Votes: 190 | Rating: 4.86 ]
• BVO2 Yagis - Yagi beam plans for 144MHz band
  [ Hits: 14551 | Votes: 14 | Rating: 5.79 ]
• 43 element Yagi for 2 mt.  ^pop - 43 Element Yagi for 144.200 MHz by VE7BQH
  [ Hits: 27961 | Votes: 28 | Rating: 6.42 ]

• RockLoop Antenna  ^pop - A Compact antenna for 10, 14 & 21 MHz Bands. A multiband portable and indoor antenna suitable for QRP operations based on an original idea by W9SCH that described this small loop in Sprat 60.
  [ Hits: 35618 | Votes: 21 | Rating: 7.42 ]

• Portable Loop Antenna  ^pop - This loop it is small and light enough to carry while operating, it disassembles into small but rugged pieces that fit easily in a backpack or gym bag, and it can be tuned from 14 MHz to 30 MHz. This tunable magnetic loop antenna is my contribution to the well established art of amateur loop making. Can be tuned from 14 MHz to 30 MHz.
  [ Hits: 51485 | Votes: 24 | Rating: 6.04 ]

• 144 MHz Beaconlist - List of beacons operating on 2 meters band
  [ Hits: 15367 | Votes: 84 | Rating: 4.22 ]

• EI4IX Dave - Dedicated to 50MHz and 144MHz. Online 2m and 6m logs. Real Audio sound clips of Tropo, Aurora, Sporadic E, Meteor Scatter, TEP and F2 Propagation.
  [ Hits: 1077 | Votes: 2 | Rating: 8.5 ]

• WD8KAF Live Repeater Stream - This repeater is broadcast from Coldwater, MI on a frequency of 147.300 MHz. Owned and maintained by the Branch County Amateur Radio Clu
  [ Hits: 2329 | Votes: 4 | Rating: 4.25 ]

• PSK31 Web Receiver - These web receiver based in Kiew Ukraine show PSK31 activity on 20m band 14.070-14.074 MHz remotely by using a web browser. Requires java by the MixW team
  [ Hits: 4532 | Votes: 18 | Rating: 6.73 ]

• Online repeater in Los Angeles - An amateur radio web site serving the notorious 147.435Mhz Repeater in Los Angeles. Listen to the Shoutcast Live Streaming Audio.
  [ Hits: 8414 | Votes: 15 | Rating: 2.66 ]

• GM4JJJ VHF and EME pages - GM4JJJ, David with EME on 144 MHz and Astronomy.
  [ Hits: 1005 | Votes: 2 | Rating: 7.5 ]

• Yaesu FT-8900r Review - A review of the Yaesu FT-8900r 29/50/144/430 MHz FM Transceiver, providing 50 Watts of power output on the 29/50/144 MHz Amateur bands, and 35 Watts on the 430 MHz band.
  [ Hits: 245 | Votes: 1 | Rating: 7 ]

• 2m W6PO Power Amplifier Project - A 3CX1500/A7 8877 144mhz W6PO amplifier, that running a little over 4kv on the plate, this Amp will do over 2kw out.
  [ Hits: 339 | Votes: 0 | Rating: 0 ]

• Duplex 144 432 - A full duplex antenna system for 144 432 Mhz
  [ Hits: 2869 | Votes: 1 | Rating: 2 ]

• 7 MHz SSB Transceiver - Circuit diagram and discription of 7 MHz Ham Radio SSB Transceiver. Transceiver using two MC1496, 4.43 MHz Ladder filter, LM386, LM324 and IRF840 in final.
  [ Hits: 19051 | Votes: 43 | Rating: 6.48 ]

• 144 MHz preamplifier with BF981 - Design of a preamplifier for 144 MHz with 1 dB NF and 23 dB gain using BF981. This amplifier is using a low cost silicon MOSFET (BF981 from Philips) to give more than 20 dB gain with around 1 dB noise figure on 2 meter.
  [ Hits: 17963 | Votes: 28 | Rating: 5.82 ]

• The Fox - 40mw transmitter - This RDF two transistor 144 MHz transmitter uses a 48 MHz scanner crystal as an oscillator / tripler. A second transistor boosts the power output to 40 milliwatts.
  [ Hits: 399 | Votes: 0 | Rating: 0 ]

• 50 MHz Transverter idea - Complete 144/50 MHz transverter with GaAs Fet LNA and 400 mW out. No printed circuit board. Schematics and images by Christoph Petermann DF9CY
  [ Hits: 9900 | Votes: 35 | Rating: 5.91 ]

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