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PA1O Netherlands flag Netherlands

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4 m/70 MHz Sporadic-E propagation test station PA1O   



- Key down 'Mark' frequency: 70.043 MHz (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

PSE report on DX-Cluster or QSL direct or via bureau, 73 de Marc PA1O

7287750 Last modified: 2016-05-03 09:24:03, 3293 bytes

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