Dick Smith:
Could I suggest you remain vigilant and look out at all times. The service you got was a once only fluke. Rely on that system and you are likely to die.
I try really hard Dick and I appreciate your concern.
Problem was this one was coming from my rear and climbing underneath me. Perhaps he had his head in his chart, or perhaps he was partially dazzled by the sun, but it's clear he didn't see me and he didn't answer the somewhat exasperated calls from MR either.
Similarly, I have heard JR and his colleagues trying to contact errant pilots to no avail in the vicinity of Nagambie when a jump was pending...goodness knows what frequency they are on, possibly Mangalore or possibly Wahring, but the calls go unanswered.
I certainly haven't heard RPT calls being drowned out by VFR calls from relatively low levels anywhere in my travels around Oz.
Kaz