Technical, Techniques, Hints, and Tips > Radio Equipment

27mHz versus 40mmHz

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polaris:

Dear All,

I am familiar with 27MHz in that I know what range is possible with what trans./rcv. eqpt. I have (aprx. 180yds with good weather/atmospheric conditions), BUT, can I expect less range with 40MHz??? I keep aerials as high and as exposed as possible, and also 'weave' aerials between superstructure enabling as best as possible exposure to the trans. signal both Port & Starboard.

I would be very grateful for opinion/experience on this please.

Regards, Bernard2

Peterm:
Hi, with a good antenna arrangement, there should be no detrimental effect using 40MH.   I use Hitec 40 MHz and get at least 300 metres with a good line of sight.  PeteM

DickyD:
I get about 200 yds with my AM 40 MHz.
Haven't tried any further, cant see boat.

Richard ;)

J.beazley:
Pretty much the same here, Im running 27meg and have had my lifeboat out so far i had a job to see it ::)

getting a 40meg set-up so should be about the same i reckon.

Jay

John W E:
Hi ya

they normally say for 27 mHz as far as the eye can see - cos dont forget this used to be used by the guys who flew planes as well and they say the same for 40 mHz.  However, since we are dealing with surface craft, the range does decrease in the signal.  But, lets face it, how many of us sail a model at more than 200 yards away from us.   The majority of us sail a model I would say between 20 and 30 yards of us (in distance away).

On the average size model say 4 foot long, at about 20 yards away it doesnt half become difficult to see says he that has a few models that have flat fronts - ah I didnt know that was the side of the lake.

aye
john e
bluebird

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