Beginner's curiosity
Posted: Sun Sep 09, 2018 6:41 am
Whilst searching for NDB's (could be habit-forminlisted correct frequency.g!), I occasionally come accross valid beacon idenifiers audible in CW only and displaced (with at least one exception) from the correct flisted frequencies.
I understand that anomalies may occur as a result of nearby strong signals, but if anyone has the time and inclination, could anyone conffirm, or not, reception of the Horta (FIL) Ndb on 378.975 khz CW (should be centered on 380 khz) and Vigo (VON) on 433 khz (should be centered on 434 khz) both
received 5X5.
On th other hand, the St Brieuc NDB (SB) on 353 khz is received here spot on frequency with no apparent SSB transmission in CW only 5X5.
There are others but that's probably sufficient to illustrate my query.
Now that I "understand" the directional qualities of the Wellbrook antennae, I am finding "interesting anomalies" in that I am finding additonal (new to me) beacons that are considerably offset from the plane of the antenna ((not necessarily on the "reciprocal" bearings).
Wuth the antenna somewhat imprecisely orientated NE/SW, I also receive well from a generally easterly direction (are "side-lobes" to be expected and if so, are they regular with regard to orientation).
I appreciate that these questions may make any knowledgeable person tear their hair out, but (even at my age) curiosity is a curse...
I understand that anomalies may occur as a result of nearby strong signals, but if anyone has the time and inclination, could anyone conffirm, or not, reception of the Horta (FIL) Ndb on 378.975 khz CW (should be centered on 380 khz) and Vigo (VON) on 433 khz (should be centered on 434 khz) both
received 5X5.
On th other hand, the St Brieuc NDB (SB) on 353 khz is received here spot on frequency with no apparent SSB transmission in CW only 5X5.
There are others but that's probably sufficient to illustrate my query.
Now that I "understand" the directional qualities of the Wellbrook antennae, I am finding "interesting anomalies" in that I am finding additonal (new to me) beacons that are considerably offset from the plane of the antenna ((not necessarily on the "reciprocal" bearings).
Wuth the antenna somewhat imprecisely orientated NE/SW, I also receive well from a generally easterly direction (are "side-lobes" to be expected and if so, are they regular with regard to orientation).
I appreciate that these questions may make any knowledgeable person tear their hair out, but (even at my age) curiosity is a curse...