Noticed this as well Nova 100 and Nova 96.9 have very strong signals when going from Sydney-Melbourne flying compared to Fox, 2Day, KIIS, MMM. Although KIIS 1065 isnāt heard until you fly over Wollongong as you fly straight over Albury where ABC Local Radio is on 106.5 and that frequency lasts for a while, interesting when you fly over Canberra you donāt get as strong signals from Hit104.7 and Mix106.3 ??
Nova Ent uses the TXA Observatory Road site, whilst the other commercial FM stations use either the TXA Ornata Road site or the BA tower.
Theoretically (ie. on paper) at least, the ABC FM services should cover a bigger area than the Nova Ent stations, in which the ABC FM services transmit at an ERP of 100kW, whilst the Nova Ent (& other commercial FM stations) transmit at a maximum ERP of 56kW.
Hereās a map below, showing the locations of the transmitters at Mt Dandenong.
The Observatory Road site likely has a better takeoff to the north and east than the other two towers, being on the NE flank of the Dandenong escarpment. All four Observatory Road services perform well up the Hume Highway. Also bear in mind that some of these transmitters are sharply directional away from the E-NE.
In Warrnambool I can pick up on AM other than 3YB and 1602 ABC include: 594 West Vic from Horsham, 621 ABC RN a Bit Patchy, 3AW 693 Clear by Day, Hassle by Night, 774 ABC Melb, RSN 927 Unclearable during the Day, 981 3HA Hamilton Good, 1089 3WM Horsham, 1134 3CS Colac and RSN 1314 From Ballarat, Good But Sometimes Patchy during the Day, If any of you living in or Near Warrnambool and have got an Outdoor Radio with an LCD Screen and AM Tuning, I dare you to try it out.
Getting back to flying over Canberra in a plane, and Canberra fm being weak compared to Sydney fm.
When flying over Canberra at 30-40K feet in a plane, the 80kw / 20kw Fm services from Black Mountain are no match for the 150KW blowtorches from Artarmon / Gore Hill which propagate a very strong signal even at 300+km away.
Canberra is very weak even when flying directly overhead at 30k feet and suffer from interference from the Sydney FM stations on the adjacent frequencies.
It is a different story when flying to Canberra / Sydney with both Canberra and Sydney Fm stations being able to be received for most of the journey. As the plane is not flying so high Sydney fm is not able to dominate as it does at 30-40k feet.
I always felt guilty using a radio when flying. But have done it before. . Wonder how far fm radio can go up if maybe you are physically outside the plane . Theoretical of course.
Sydney fm makes it almost to Albury in a plane at 40K feet, however as you get close to Albury the Albury fm stations take over. The Alburyās use the same frequency alotment for FM as Sydney. To the north in a plane Sydney makes it to around Coffs before suffering cochannel interference.
From Brisbane, River 94.9 is the last of the Brisbane stations to drop out on the flight to Sydney.
106.9 is shared by Hit 106.9 for half the flight and Nova 106.9 for the half of the flight. You can stay on that frequency for the whole flight and there is always something on that frequency.
Back on tropo, some late Autumn ducting today. Newcastle Fm coming in strong witk Ko the best of the commercials.
Newcastle tv knocking out Wollongong Tv at my location.
Back in 2010, I managed to DX DAB+ on a flight from Sydney to Perth using a Sangean DPR35. Sitting on the left of the plane on a window seat I was able to hear the Canberra DAB+ trial flying just south of Katoomba and flying over Mildura, I was able to get Melbourne DAB+.
I tried TX DXing on a plane using an old Citizen handheld LCD TV a few years earlier and found that UHF TV worked much better in a plane than VHF.
Sorry Iām a few days late to this, but I too noticed this in my travels over the years. Itās the same heading east, locations in Gippsland where youāve almost completely lost 3MMM/Fox, you can still hear Nova and 91.5 very clearly. I had presumed it was due to these being at a different locationm but didnāt suspect it was because they were on the midget stick on Mt Dandenong
Youāre never too late, itās great to read information from previous conversations days/months/years later. Itās all added information. Weāre a helpful bunch here as you know, getting to the bottom of it all.
I can confirm this, FOX/MMM significantly below signal strength of Nova/Smooth when in fringe locations such as Yarragon.
How did you find the ABC/SBS services? At Yarragon etc, they were similar to Nova but not much better.
Iāve often read of people in Gippsland and west of Melb such as Colac - Portland who would receive FOX and the old EON or 105.1 in the 80/90ās in summer, a regular occurrence during summer.