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SPX-100 portable 9-band HF Moonraker antenna View larger



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United Kingdom

SPX-100 portable 9-band HF Moonraker antenna

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Average rating: 1/5 Number of reviews: 1

Moonraker's SPX-100 antenna is compatible for mobile, portable, home or outdoor use. With its unique 10-section telescopic whip section, it folds down to just 47cm to fit neatly into a suitcase for HF abroad or travel.

Also includes all necessary adaptors for 3/8 thread, PL259 and BNC for your FT-817ND, FT-818, IC-705 for example.

  • Type : Portable or mobile 9-band helical antenna
  • Frequency band: 6/10/12/15/17/20/30/40/80 metres
  • Length: 47-150cm approx.
  • VSWR: 1.5:1 or better with tuner
  • Power: 25 watts maximum over a short period, 5W nominal
  • Bandwidth : Different for each band
  • Connection: 3/8 thread with UHF Male adaptor (PL259) and BNC included

More details

49,08 € tax excl.

51,67 €

In stock

   7 Items

Data sheet

The SPX100 antenna covers all bands including the WARC bands from 80 to 6m with 5W guaranteed and 25W max. When fully extended, it measures approximately 1.54m. It has a 3/8 connector and is supplied with two adapters, 3/8 to PL-259 and 3/8 to BNC Male.

Tape changes are made by plugging the banana plug into the appropriate socket on the base reel and fine adjustments are made using the 10-section telescopic whip for the best VSWR.

The whip unscrews from the base adaptor reel so that it measures only 30cm when folded.

Adjusting the SPX100

The telescopic lengths listed below are for the lowest band frequency and with a counterweight wire connected to the radio and for each band used.

The length for the counterpoise is one quarter (1/4) wavelength in the transmit band.

The formula for calculating the wavelength in metres as a function of frequency is: 300 / frequency in MHz

80m band
No jumper connected - Approximate telescopic length 124.5cm

60m band
No jumper connected - Approximate telescopic length 38cm

40m band
No1 connected to No2 - Approximate telescopic length 110.5cm

30m band
No1 connected to No2 - Approximate telescopic length 38cm

20m band
No1 connected to No3 - Approximate telescopic length 90cm

Band 17m
No1 connected to No3 - Approximate telescopic length 51.5cm

15m strip
No1 connected to No3 - Approximate telescopic length 104cm

Band 12m
No1 Connected to No4 - Approximate telescopic length 67cm

Band 10m
No1 connected to No5 - Approximate telescopic length 81cm

6m band
No1 connected to No6 - Approximate telescopic length 75cm

The use of a tuner may be necessary on certain HF bands, particularly bands below 14 MHz.

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Click here to leave a review

rating 1
Bas de gamme
Antenne bas de gamme en adéquation avec son prix... Émission / réception pas terrible avec un ROS élevé. De plus, l'adaptateur BNC s'est déboîté (décollé) au premier montage.

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