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Getting rid of Mumbo Jumbo in preparation for availability long range CB radio equipm
26 January 2014, 07:38, (This post was last modified: 26 January 2014, 07:55 by Lightspeed.)
#24
RE: Getting rid of Mumbo Jumbo in preparation for availability long range CB radio equipm
Good morning Jonas,

God to have the forum back on its feet, and good to hear from you.

I operate 100% QRP ( Very low power).

The cross texas communications you are achieving on the 7 Mhz band will be almost entirely NVIS (Near vertical incident skywave...entire threads discussing this on this section). Propagation at this frequency is very different from that which we will experience on CB.

I urge anyone looking to purchase UK legal SSB capable CB equipment, to do so with performance expectation based on the advice I posted earlier. Better to expect less and get more, than vice versa.

Good idea about a review of some of the equipment choices. First we need to see the final regulations, then to await the manufacturer's offerings of compliant equipment.


Charles, I understand things differently.

My reading* has always indicated that it was ULTRA ( UK Intelligence radio service operating out of Bletchley Park) that made the intercepts of the AM modulated radio communications from Afrika Korps Tank radio comms. ( on 27 to 29Mhz frequencies, just like CB) and that the intelligence gained was used by Montgomery's Desert Rats to ultimately beat the Axis forces.

WWII years were not at solar peak ( propogation wise) the peaks being at 1947 and 1936. That puts war years at lowest ebb of the cycle. At such time transatlantic skip between Europe and USA is almost completely impossible at CB frequencies. But, independent of solar peak ionisation, summertime sporadic E layer ionisation reaches sufficient density to support 10m and 11m communications ( single bounce) between UK and the near continent and sometimes out as far as North Africa. This entirely supports what has been written about the Bletchley Park boffin’s work.

*http://en.wikipedia.org/wiki/North_African_Campaign
…The primary benefit of Ultra intercepts to the effort in North Africa was to aid in cutting the Axis supply line to Tunisia. Ultra intercepts provided valuable information about the times and routes of Axis supply shipments across the Mediterranean. This was critical in providing the British with the opportunity to intercept and destroy them.

By the way, in the same article:

…The Axis had considerable success in intelligence gathering (in North Africa)through radio communication intercepts and monitoring unit radio traffic. The most important success came through Colonel Bonner Fellers, the U.S. military attaché………
72 de

Lightspeed
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Messages In This Thread
RE: - by Lightspeed - 10 January 2014, 12:20
RE: Getting rid of Mumbo Jumbo - by Lightspeed - 15 January 2014, 08:42
RE: Getting rid of Mumbo Jumbo - by Lightspeed - 16 January 2014, 12:02
RE: Getting rid of Mumbo Jumbo in preparation for availability long range CB radio equipm - by Lightspeed - 26 January 2014, 07:38

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