4 m/70 MHz Sporadic-E propagation test station PA1O
- Key down 'Mark' frequency: 70.043MHz (oven controlled crystal oscillator)
- Output power: 4 W (classic 1970s lineup with BF199-BF199-2N3866-2N3866-MRF237)
- Modulation: F1A, with IARU Region 1 compliant -250 Hz shift for 'Space'
- Total signal bandwidth (-60 dBc): < 500 Hz (pulse shaping)
- Harmonics and spurious suppression: Better than 60 dB with separate lowpass filter
- Antenna: Magnetic loop with 0.6 m diameter, horizontal polarization, omnidirectional at 28 m ASL
- QTH: Helmond, The Netherlands
- Grid locator: JO21TL
- Message: "PA1O PA1O PA1O JO21TL ---" repeating every 30 seconds
- Dutch Antenneregister ID: 1089065777
- Remotely controllable (only by owner PA1O) as per paragraph "1.2 Algemene gebruikersbepalingen"
- Telephone for monitoring/questions: 06-10890192
952267 Last modified: 2014-05-24 15:16:16, 3827 bytes
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