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by DaveReid
April 28th, 2016, 7:09 am
Forum: Discussion
Topic: SBS on the ground aircraft ?
Replies: 4
Views: 2943

Re: SBS on the ground aircraft ?

Eelmoor wrote:Thanks Laurent I will give that a go next time
An easy way to check whether that's the case is to look at the latitude/longitude columns in the Aircraft List. If they are showing strange values for aircraft on the ground, then you have the problem that Laurent described.
by DaveReid
April 7th, 2016, 8:43 am
Forum: Discussion
Topic: SBS on the ground aircraft ?
Replies: 4
Views: 2943

Re: SBS on the ground aircraft ?

I've had similar results over the years with the SBS-1. You may get some improvement with an attenuator between the SBS and the antenna, or even by removing the antenna completely.

I keee meaning to try my SBS-3 at LHR, but I haven't got round to it yet.
by DaveReid
February 9th, 2016, 8:01 am
Forum: Discussion
Topic: Incorrect flight levels
Replies: 3
Views: 2659

Re: Incorrect flight levels

Are you allowing for the effects of variations in atmospheric pressure (QNH), which will affect the heights displayed by BaseStation ?
by DaveReid
October 24th, 2015, 7:21 am
Forum: Aviation
Topic: CRONUS conundrum
Replies: 4
Views: 4270

Re: CRONUS conundrum

Assuming that the airframes are mode S and possibly TCAS equipped , which certainly seems to be the case as far as Mode S is concerned , why would you risk putting a UAS into controlled airspace with Mode S turned off ? Is it possible that it was responding only to TCAS interrogations, and not to M...
by DaveReid
July 10th, 2015, 7:11 am
Forum: Aviation
Topic: 48 FW switching to correct codes
Replies: 31
Views: 14160

Re: 48 FW switching to correct codes

My point is simply that who are we to tell the USAF what are the "correct" codes that they should be using ? Your post didn't make it clear whether you were referring to miscodes (in which case yes, they could legitimately be described as "incorrect"), or tactical codes. Thank you for clarifying tha...
by DaveReid
July 9th, 2015, 5:01 pm
Forum: Aviation
Topic: 48 FW switching to correct codes
Replies: 31
Views: 14160

Re: 48 FW switching to correct codes

What do you mean by "correct" codes ? Other than the odd bit transposition, what was "incorrect" about the codes they were using previously from the USA's allocation ?
by DaveReid
February 14th, 2015, 7:55 am
Forum: Help with Hex Codes
Topic: 43EB2B
Replies: 2
Views: 2298

Re: 43EB2B

Reportedly Cirrus SR22T 2-HIGH, msn 0797.
by DaveReid
February 5th, 2015, 8:05 am
Forum: Help with Hex Codes
Topic: 43EEEE and 43EEE6
Replies: 2
Views: 2431

Re: 43EEEE and 43EEE6

I suspect 43EEEE was just a corrupted packet. G-BFIB was certainly sending 43EEE6 earlier this morning.

Sister ship G-UMMI was sending 43EEFA, at least until a few days ago.
by DaveReid
December 17th, 2014, 6:38 pm
Forum: Aviation
Topic: UA28 Circling English Channel
Replies: 1
Views: 2715

Re: UA28 Circling English Channel

Burning off fuel to get down to max landing weight prior to returning to LHR.
by DaveReid
December 17th, 2014, 6:37 pm
Forum: Help with Hex Codes
Topic: 43EEE2
Replies: 1
Views: 1683

Re: 43EEE2

hungerford wrote:this could be a mis-code of 43EEE6 G-BFIB
Not a miscode (it ws using its correct code today), possibly a corrupted packet?
by DaveReid
November 6th, 2014, 8:01 am
Forum: Help with Hex Codes
Topic: 43EEFA ?
Replies: 2
Views: 2210

Re: 43EEFA ?

Yes, it's G-UUMI's latest hex code. In the operator's (or MoD's) attempts to obfuscate its identity, they blithely ignore the fact that every time they change the hex code, the aircraft carries on using the same unique callsign and is therefore easily identifiable. Similarly, sister ship G-BFIB star...
by DaveReid
November 5th, 2014, 12:12 pm
Forum: Help with Hex Codes
Topic: 3F9EF4
Replies: 1
Views: 1510

Re: 3F9EF4

IAS 190kt at FL220, so a transport rather than a fast jet.
by DaveReid
November 4th, 2014, 7:39 am
Forum: News / Announcements
Topic: Kempton Park November 9th
Replies: 2
Views: 3663

Re: Kempton Park November 9th

And worth remembering the next Aircraft Enthusiasts Fair is also at Kempton on the following Sunday, 16th November, 10-30-15-00.

http://www.aircraftenthusiastfair.co.uk/
by DaveReid
August 9th, 2014, 6:39 am
Forum: Aviation
Topic: UK VORs and NDBs - for many the end is nigh
Replies: 1
Views: 3050

Re: UK VORs and NDBs - for many the end is nigh

Link doesn't work as NATS AIS URLs are ephemeral, Stuart.

Best to navigate to the menu of Yellow AICS: http://www.nats-uk.ead-it.com/public/in ... id=57.html and then select Y080/2014.
by DaveReid
August 9th, 2014, 6:33 am
Forum: Discussion
Topic: SBS1 AND Canadian Lanc
Replies: 8
Views: 5509

Re: SBS1 AND Canadian Lanc

Lincolnshire is England's second biggest county. How far away from Coningsby are you, Cyril ?

If you've had your SBS since 2006, you will of course know that Mode S reception is strictly line-of-sight and so will depend on your distance from the target and its altitude.