9 band
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Antennas : 20M : 20 meter Yagi antennas- 7 element Yagi for 20 Meters band
- A 7 elements yagi beam monoband antenna for 14 Mhz by VE3GK
[ Hits: 3209 | Votes: 3 | Rating: 2.67 ]
- Portable Dipole Antenna for 7 MHz
- A simple portable dipole antenna for the 40 meter band using a total lenght of 18 meter. It can be used for 80 to 10 meters coverage using a antenna tuner.
[ Hits: 322 | Votes: 2 | Rating: 7.5 ]
- 2 elements YAGI for field day operation
- A wire yagi antenna for 20 and 40 meters band suitable for outdoor and field day operations
[ Hits: 14557 | Votes: 7 | Rating: 6.14 ]
- Portable 70cm Quadruple Quad Beam
- A suitable high gain 70cms antenna for SOTA operation was sought that did not have the drawbacks of a long Yagi antenna, principally a narrow beamwidth and bandwidth.
[ Hits: 3545 | Votes: 3 | Rating: 8 ]
- The GM3VLB 5 Band mini delta beam
- HF multiband mini delta compact and easy assembling antenna that cover from 20 to 10 meters by GM3VLB
[ Hits: 11277 | Votes: 11 | Rating: 6.73 ]
- HB9CV antenna for 70 cm
- An HB9CV antenna for the 70 cm band in french
[ Hits: 4555 | Votes: 13 | Rating: 5.15 ]
- Single band copper pipe J Antenna
- A monoband J pole antenna dimensions sheet by N6JSX
[ Hits: 1877 | Votes: 0 | Rating: 0 ]
- Vertical antenna for Vacation
- Vertical Vacation Antenna for 80, 40 and 20 Meter-Band, by Herbert OE3BMB
This antenna is a full size 955;/4 for 20m and 40m band, and a shortened 955;/4 for the 80m band.
Generally on the 40m band the SWR is under 1,6. In 80m and 20m band at the resonant frequency the SWR is about 1,1.
[ Hits: 5033 | Votes: 4 | Rating: 8 ]
- Offset multiband trapless antenna
- Simple, easy to build, low cost, compact, multiband By Robert Wilson, AL7KK
[ Hits: 2115 | Votes: 2 | Rating: 9 ]
- Four Band Antenna
- This 4 band up and outer antenna covers 21 to 10 Mhz and can work on 28 Mhz as well by W9SCH
[ Hits: 2372 | Votes: 2 | Rating: 6.5 ]
- Vertical and Above
- Using vertical on six meters band and above, by Peter Schleuss, HB9RUZ
[ Hits: 352 | Votes: 0 | Rating: 0 ]
- MFJ-940 modification
- The MFJ-940 VERSA TUNER II is a useful little antenna tuner for the HF-bands. However it suffers from a minor design error, which can be easily rectified.
[ Hits: 2647 | Votes: 2 | Rating: 7.5 ]
- Butternut HF9V Project
- WB3AAL setup project of the popular HF9V vertical antenna with report on tuning it on ham radio HF bands
[ Hits: 799 | Votes: 2 | Rating: 5.5 ]
- W3DZZ multiband dipole
- The multi-band trapped dipole is resonant on approx 3.7, 7, 14, 24 7 28.5 Mhz. The overall top length needs to be approximately 32.9 Meters
[ Hits: 10460 | Votes: 20 | Rating: 6.9 ]
- IK6BAK / beacon
- 24915 KHz 12 mtrs band from JN63KR
[ Hits: 406 | Votes: 0 | Rating: 0 ]
- Digital SSTV images
- HAMDRM pictures received on 80 meters band at 3733 KHz
[ Hits: 291 | Votes: 2 | Rating: 10 ]
- WideBand for Yaesu 817 857 897
pop
- Free Download of Widebander.
This software will allow you to extended TX for the Yaesu FT 857 FT 817 FT 897 and reset back to standard factory defaults.
Warining: this programs looks like not to be supported. Download and use it at your own risk.
[ Hits: 41144 | Votes: 65 | Rating: 6.14 ]
- KENWOOD TL-922 Modifications
- Allow 9 bands and 1300 Watt output on the TL-922 amplifier with this document by PA0FRI
[ Hits: 2844 | Votes: 9 | Rating: 3.89 ]
- Diplexer 2m 70cm
- This DIPLEXER separates 2m from 70cm on the same coax cable, and allows to use 2 antennas over the same cable and permits transmission on one band
and simultaneous receiption on the other band by hb9abx
[ Hits: 3787 | Votes: 12 | Rating: 7.75 ]
- Interdigital bandpass filter designer
- Fill out the form to design a bandpass filter as described in the January 1985 issue of Ham Radio Magazine. These filters are generally limited to frequencies above 200 MHZ because their size is slightly longer than 1/4 wavelength
[ Hits: 1115 | Votes: 6 | Rating: 7.67 ]
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