[FoxHunt] Moded ELTS

Kuon & Dale Hunt [email protected]
Sat, 23 Mar 2002 07:19:48 -0800


>
>Maybe this is a good idea or not: In using the ELPer in Rec mode, Ive sometimes
>noticed  that the signal "null" off the back of the antenna(opposite from the
>direction of the arrow,) seems to give a much sharper and more distinct bearing
>than the signal peak, in the normal direction. Is this a better way than using
>the signal peak?

   I've not had good results hunting the null in an antenna pattern - at
   least not on VHF.  It is not always predictably straight off the back
   of the antenna (and can vary with frequency.)  But also it is very
   susceptable to being confused by weak reflections.

   In general, a null can be much sharper than a peak, but it only takes
   a little reflection to shift it.  It is a good idea to know what the
   pattern looks like off the back of your beam, as, on occasion, it may
   be usable.  Just another trick to have up your sleeve.

   The antenna for the LPER is not designed for a sharp peak, but rather
   for a clean pattern in DF mode.  For weak signal work, a larger yagi
   or quad comes in handy.