swr 70cm4 links
- 440 Mhz J-Pole Antenna plans
- Here is a 70cm (440 Mhz) J-Pole antenna that is inexpensive, and easy to build. Author use 1/2 inch copper pipe, and the associated fittings necessary. The dimensions aren't typical however, this is what it took to get its SWR low.
[ Hits: 19134 | Votes: 43 | Rating: 4.85 ]
- Handheld Yagi
- This is the handheld yagi can be used for working satellites when mobile. Offer 420 - 450 MHz 70cm bandwidth and the worst SWR is 1.3:1
[ Hits: 2694 | Votes: 1 | Rating: 1.00 ]
- Duoband DK7ZB-Yagis 2m and 70cm
- These Yagis cover the range of 144-146MHz on 2m and 430-440MHz on 70cm. They can be used for alle modes (FM and SSB/CW). On both bands the SWR is good across the whole band.
[ Hits: 3321 | Votes: 12 | Rating: 6.00 ]
- Mirage BD-35 troubleshooting
- Mirage BD-35 2M/70CM RF amp high SWR, how to troubleshoot
[ Hits: 92 | Votes: 0 | Rating: 0.00 ]
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