At my birthday party someone showed up with a awesome old radio. An old SEM-35 manpack radio. SEM-35 Specifications Frequency Coverage 26 to 69.95MHz Channels 880 spaced 50kHz Modulation F3 (FM) Deviation 15kHz max. Transmitter RF Output 150 mW or 1Watt Frequency Stability < + 3.5kHz from -40 to +600C Receiver Sensitivity < 0.5 micro…
45Watt HF Lineair
I was looking around for a nice little kit to build to boost my HF power a bit from 5 watts to 25 watts. On the internet i ran in to a affordable little kit. [work in progress……..]
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- NZART Sangster Shield Contest0800Z-1100Z, May 15 and 0800Z-1100Z, May 16
- F9AA Cup, SSB1200Z, Mar 13 to 1200Z, Mar 14
- NCCC Sprint0230Z-0300Z, Mar 12
- K1USN Slow Speed Test2000Z-2100Z, Mar 12
- YB DX RTTY Contest0000Z-2359Z, Mar 13
- SARL VHF/UHF Analogue Contest0500Z-0700Z, Mar 13 (6m) and 0700Z-0900Z, Mar 13 (2m) and 0900Z-1100Z, Mar 13 (70cm) and 0500Z-0700Z, Mar 14 (6m) and 0700Z-0900Z, Mar 14 (2m) and 0900Z-1100Z, Mar 14 (70cm)
- SARL Field Day Contest0800Z, Mar 13 to 0800Z, Mar 14
- RSGB Commonwealth (BERU) Contest1000Z, Mar 13 to 1000Z, Mar 14
- SKCC Weekend Sprintathon1200Z, Mar 13 to 2400Z, Mar 14
- South America 10 Meter Contest1200Z, Mar 13 to 1200Z, Mar 14
- NCCC RTTY Sprint0145Z-0215Z, Mar 12
- DIG QSO Party, SSB1200Z-1700Z, Mar 13 (20m-10m) and 0700Z-0900Z, Mar 14 (80m) and 0900Z-1100Z, Mar 14 (40m)
- AGCW QRP Contest1400Z-2000Z, Mar 13
- Oklahoma QSO Party1400Z, Mar 13 to 0200Z, Mar 14 and 1500Z-2200Z, Mar 14
- Stew Perry Topband Challenge1500Z, Mar 13 to 1500Z, Mar 14
- EA PSK63 Contest1600Z, Mar 13 to 1600Z, Mar 14
- QCWA QSO Party1800Z, Mar 13 to 1800Z, Mar 14
- TESLA Memorial HF CW Contest1800Z, Mar 13 to 0559Z, Mar 14
- Idaho QSO Party1900Z, Mar 13 to 1900Z, Mar 14
- QRP Fox Hunt0200Z-0330Z, Mar 12
- NZART Sangster Shield Contest
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