Ops, previous posting did not come through. Let me try again:
OK, I feel much better
after reading a review here: http://www.qsl.net/kk5dr/706G.htm
At least it indicates nothing is wrong with my unit..
.Long list of birdies found by the author matches mine by 80%.
If you want to check yours, no need to go through 88(!) birdies listed in the review. Just listen around 30,60,69 and 150MHZ in SSB or CW mode. And buy a pack of earplugs before running this test...