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Search: Posts Made By: VHS
Forum: APRS Tracking 05-23-2018, 01:29 PM
Replies: 19
Views: 9,199
Posted By VHS
Antenna

Bruce,

Let me know if your antenna is not repairable, I can dig up one of our V6 ( Center-fed, 1/2 Wave dipole) which is a bit shorter and will get a bit more ERP out of your Micro-Trak. You can...
Forum: APRS Tracking 08-24-2017, 08:01 AM
Replies: 10
Views: 2,961
Posted By VHS
APRS SOS

Actually, APRS does have an SOS feature. It is sent by transmitting the "Emergency" MIC-E packet. Of course it still relies on being within reach of a digipeater of I-Gate. If you are going to wager...
Forum: APRS Tracking 09-16-2016, 05:38 PM
Replies: 5
Views: 2,947
Posted By VHS
The Spec generally calls for 300 feet of CEP....

The Spec generally calls for 300 feet of CEP. Don't bet your life on it.

Allen
Forum: APRS Tracking 09-16-2016, 10:02 AM
Replies: 1
Views: 2,293
Posted By VHS
Digipaths for aircraft

My business partner and I have been kicking around firmware changes for airborne applications. At first, we combined both high altitude balloons and fixed wing aircraft into one mode of thinking, and...
Forum: APRS Tracking 08-28-2016, 09:42 PM
Replies: 20
Views: 9,191
Posted By VHS
APRS Messaging with the MTT4B transceiver

Wow, we have not made the old MTT4 for many years! As you probably know, we have replaced the low power, single channel MTT4 with the high power ( 10 Watts) frequency agile, MTT4B. The MTT4B ( Just...
Forum: APRS Tracking 06-17-2016, 10:25 PM
Replies: 10
Views: 5,925
Posted By VHS
The mystical properties of antennae...

You are very welcome! I always recommend Pete's antennas to RV owners and composite ship owners that don't want to put through-holes in their fuselage. For some strange reason, I just had one or two...
Forum: APRS Tracking 04-28-2016, 12:26 AM
Replies: 4
Views: 3,864
Posted By VHS
Poor track

It looks like John's tracker is a very early single channel unit. If the GPS was purchased at the same time, its very likely that the GPS is on its way out, the first gen units did not tend to work...
Forum: APRS Tracking 11-30-2014, 09:51 AM
Replies: 24
Views: 13,636
Posted By VHS
EFIS Data

My understanding is that EFIS Data is not serial data in the sense we commonly understand the term ( Just from what I have gleaned looking over the manuals) But perhaps someone has already figured...
Forum: APRS Tracking 11-29-2014, 03:31 PM
Replies: 24
Views: 13,636
Posted By VHS
APRS Power while airborne

Vern,

Output power is like a pistol or or a fire extinguisher....you don't need it until you need it badly! We have had amazing results, with line-of-sight reception of our MF-15 (15 mW output...
Forum: APRS Tracking 11-29-2014, 08:55 AM
Replies: 24
Views: 13,636
Posted By VHS
The utility of a transceiver

I am certainly not advocating that everyone needs a transceiver, in fact, the TT4 platform ( transmits and decodes) versus the TT3 platform ( Just transmits) requires a significantly higher degree of...
Forum: APRS Tracking 11-28-2014, 12:38 PM
Replies: 24
Views: 13,636
Posted By VHS
APRS Transceiver now available

I have to apologize to this group. A few people have contacted me about whether the new transceiver I have been developing is ready yet or still "VaporWare". I made the announcement on the usual APRS...
Forum: APRS Tracking 10-22-2014, 09:14 PM
Replies: 59
Views: 32,255
Posted By VHS
Geometric skywriting

Vlad,

That's awesome, but I was thinking about how much gas you burned with your skywriting!

Allen VHS/Byonics
Моё судно на воздушной подушке полно угрей
Forum: APRS Tracking 10-22-2014, 09:06 PM
Replies: 10
Views: 8,796
Posted By VHS
Trackers

Gentlemen,

Thanks for your continued support of the RTG, in my humble ( well, not really) and admittedly biased attitude, I think that you can't go too far wrong with an RTG. Its cheap, powerful,...
Forum: APRS Tracking 05-19-2014, 11:11 AM
Replies: 17
Views: 8,862
Posted By VHS
Defaults

No, your settings are very different. To start, you are using the mobile Digipath, of Wide1-1,Wide2-1, which I actually prefer since it works better on the ground. The default for an Aircraft would...
Forum: APRS Tracking 05-18-2014, 01:13 PM
Replies: 17
Views: 8,862
Posted By VHS
Twist and shout

Respectfully, if you have any of our frequency agile transmitters, you should Enable Twist. The data consists of two tones, one at 1200 and one at 2200 Hertz. Radios and general physics tend to...
Forum: APRS Tracking 05-05-2014, 07:44 AM
Replies: 17
Views: 8,862
Posted By VHS
Odd pattern

Very strange. If you have a 2 meter portable with the squelch set high, you should be able to determine if your transmitter is actually transmitting. There are not a lot of apparent receiving...
Forum: APRS Tracking 04-25-2014, 07:45 PM
Replies: 29
Views: 14,118
Posted By VHS
Pete's antennae

Not all aircraft are so serendipitously designed as the RV, with the nice wingtip install location, but when people contact us about "Covert" antennae (No holes in the belly) I always refer them to...
Forum: APRS Tracking 04-25-2014, 08:56 AM
Replies: 29
Views: 14,118
Posted By VHS
Smile That is the question!

I took my Tech License test after going through the multiple guess tests on Eham.com I am not sure that a lot of potential hams understand that not only is every possible question available on the...
Forum: APRS Tracking 03-22-2014, 04:02 PM
Replies: 3
Views: 4,633
Posted By VHS
Bahamian FCC?

I don't know what, if any frequency they use in Bahamas, but it sure would be nice if they kept in as North America. If the Brit's regulations are in effect, they do not permit APRS trackers in...
Forum: APRS Tracking 03-22-2014, 03:56 PM
Replies: 155
Views: 43,816
Posted By VHS
Glenn, Awesome! Any feelings about the receiver...

Glenn,

Awesome! Any feelings about the receiver sensitivity?

Allen
Forum: APRS Tracking 03-18-2014, 10:32 AM
Replies: 0
Views: 3,878
Posted By VHS
Electrical noise from LED strobes?

Has anyone experienced any electrical noise coming from these new-fangled LED strobe lights? I know they use Pulse Width Modulators to get the maximum brightness from the LED's without toasting them,...
Forum: APRS Tracking 01-25-2014, 08:22 AM
Replies: 155
Views: 43,816
Posted By VHS
SDR

Glen,


Will do, thanks! I plan on running it on one of the innumerable PC's I have floating around. Do you have some sense of how they perform as receivers?

Allen
Forum: APRS Tracking 01-24-2014, 06:43 PM
Replies: 155
Views: 43,816
Posted By VHS
USB receiver

I could not stop myself....I just ordered one, will advise. Glen, after I take a quick look, do you want to see how it works as a Gate front end?

Allen
Forum: APRS Tracking 01-24-2014, 06:26 PM
Replies: 5
Views: 6,540
Posted By VHS
MT--300

Hey, have you checked out what used MT-300's are selling for on E-bay? I bet you could double your money with a brand new in box unit, and we can set you up with an MT-400 or an RTG!

Allen
Forum: APRS Tracking 01-24-2014, 06:21 PM
Replies: 155
Views: 43,816
Posted By VHS
22.00 buck receiver? Sweet!

This sounds awesome! Has anyone out there tried one yet? Its important to remember that a data radio is judged by very different criteria. If you think of analog voice coming over an FM radio, you...
Forum: APRS Tracking 01-22-2014, 02:52 PM
Replies: 8
Views: 6,037
Posted By VHS
1200 Baud Packets

Its 1200 and 2200 Hertz tones, since the first harmonic of 1200 is 2400, decoding would require additional anti-falsing, since one tone may "look" just like the other, depending upon the model in...
Forum: APRS Tracking 01-22-2014, 08:28 AM
Replies: 155
Views: 43,816
Posted By VHS
I-gates save the world!

Glen, et al,

Every day I receive E-mails from customers who believe that their transmitters are not working, and time after time, I receive the unit back for testing only to find that they work...
Forum: APRS Tracking 01-22-2014, 07:51 AM
Replies: 8
Views: 6,037
Posted By VHS
Reading raw packets

You can download a free copy of a soundcard based program called AGWPE, which will decode your packets as raw text ( unless you are sending MIC-E, in which case it will decode your packets, in...
Forum: APRS Tracking 01-09-2014, 08:16 PM
Replies: 4
Views: 4,381
Posted By VHS
Digipeater

Rick,

I saw the photos, very nice! If you can hit another digipeater with brute force, you may be able to get by even with a low hanging antenna, although I am sure that tower looks like a tempting...
Forum: APRS Tracking 01-08-2014, 03:29 PM
Replies: 4
Views: 4,381
Posted By VHS
I-gate?

Rick,

How about running a Digipeater instead of an I-gate? With a high enough antenna, you are probably within range of a high level digipeater that can make it to the web via other I-gates, and you...
Forum: APRS Tracking 12-15-2013, 09:45 PM
Replies: 15
Views: 8,838
Posted By VHS
I-Gates software

Glen,

I am not familiar with the software you are using, but I am assuming it also has a digipeater function built in too? Thanks for getting all those boxes you could get together into the hands of...
Forum: APRS Tracking 12-14-2013, 09:19 PM
Replies: 15
Views: 8,838
Posted By VHS
Licensed I-Gate

I concur that anyone setting up an I-gate under most circumstances should have an amateur radio license. Although its not strictly required for a receive-only I-Gate, anything passed to an I-Gate has...
Forum: APRS Tracking 11-16-2013, 08:39 PM
Replies: 155
Views: 43,816
Posted By VHS
Hawaii at least has a slightly denser population...

Hawaii at least has a slightly denser population than Alaska, but if you know anyone with high ground in Alaska, I bet we can set them up with a Digi!
I don't have 100 rubles, but I do have 100...
Forum: APRS Tracking 11-15-2013, 03:31 PM
Replies: 155
Views: 43,816
Posted By VHS
Awesome! (but ugly!)

That is absolutely awesome that you have a receive I-gate "factory". There are places all over the U.S that are virtual APRS black holes (including pretty much the entire State of Hawaii, so I guess...
Forum: APRS Tracking 04-26-2013, 07:10 PM
Replies: 6
Views: 4,291
Posted By VHS
Balloon antenna

I am hoping you meant the High School Lad flew the V6 antenna, not the J-pole. When I built the first unit, I had almost 25 minutes in exhaustive R&D, but the antenna forced me to learn a lot. For...
Forum: APRS Tracking 04-24-2013, 07:55 AM
Replies: 32
Views: 50,225
Posted By VHS
Telemetry

Bob,

The RTG only has one serial port, but does have built-in support for internal telemetry for power supply, and temperature. There is an auxiliary input for a 0-5 Volt analog telemetry feed. If...
Forum: APRS Tracking 04-23-2013, 07:53 AM
Replies: 32
Views: 50,225
Posted By VHS
NMO Mount antenna

The antenna utilizes an NMO style mount ( which won't be included in your antenna purchase) and this requires a 3/4 inch hole for mounting.

Allen
Forum: APRS Tracking 04-17-2013, 08:35 AM
Replies: 6
Views: 4,291
Posted By VHS
Not a Bow Tie!

Gentlemen,

First, let me apologize for my long absence away from your board. Crohn's disease and surgery have left me running on minimal systems, but I will try and keep up! Some of you have...
Forum: APRS Tracking 07-12-2012, 06:52 PM
Replies: 5
Views: 4,190
Posted By VHS
I am finding your post a little hard to follow,...

I am finding your post a little hard to follow, so let me ask a few questions: 1) Does the green GPS LED on the TT3 light solidly at some point? If your TT3 is understanding your GPS, they LED should...
Forum: APRS Tracking 05-11-2012, 04:31 PM
Replies: 5
Views: 3,683
Posted By VHS
With all due respect, I disagree. Yes, the APRS...

With all due respect, I disagree. Yes, the APRS network resides under FCC authority, but the idea of APRS is to provide a tactical information system about a variety of interconnected and stand-alone...
Forum: APRS Tracking 03-12-2012, 08:16 AM
Replies: 29
Views: 13,442
Posted By VHS
Ron, Byon added range and bearing to a reporting...

Ron,

Byon added range and bearing to a reporting station that can be viewed on the LCD display. I am hoping I can convince him to add a selective screen to show R & B to Icons of things that are up...
Forum: APRS Tracking 03-11-2012, 08:45 PM
Replies: 29
Views: 13,442
Posted By VHS
An old idea revisited

While cleaning off a storage shelf, I found my Morrow LORAN antenna that I had planned to install on my mini-van ( which just gave up the ghost) I decided to check it out, and driving it with a...
Forum: APRS Tracking 02-24-2012, 05:25 AM
Replies: 3
Views: 3,552
Posted By VHS
Have I ever told you that I love you?....in a...

Have I ever told you that I love you?....in a Manly way, of course!

Allen
VHS/Byonics
Forum: APRS Tracking 01-17-2012, 12:14 PM
Replies: 9
Views: 4,328
Posted By VHS
Ladders?

Glen,

Wait a minute, you are willing to fly, but ladders scare you? Dude, I think we have opposite viewpoints!

You might consider an inexpensive crank up tower. Periodically, you can find a cheap...
Forum: APRS Tracking 01-16-2012, 06:51 PM
Replies: 9
Views: 4,328
Posted By VHS
I-Gate install!

Glen,

Outstanding job!

Allen
VHS
AF6OF
Forum: APRS Tracking 12-26-2011, 11:17 AM
Replies: 33
Views: 19,114
Posted By VHS
Configuration change "on the fly"

Still high on the to-do list for this year is to build a new firmware that will allow you to select an alternate configuration automatically. In my ignorance, I assumed that this should be done as a...
Forum: APRS Tracking 11-16-2011, 06:38 PM
Replies: 12
Views: 6,262
Posted By VHS
How did that Antenex antenna work out for you?...

How did that Antenex antenna work out for you?

Allen
VHS
Forum: APRS Tracking 09-12-2011, 10:00 PM
Replies: 6
Views: 3,905
Posted By VHS
Cracking the case on the GPS will no doubt prove...

Cracking the case on the GPS will no doubt prove fatal ( to the GPS, not to you) Is this a Byonics GPS 2? The red light should be visible by looking carefully through the side of the case. If the...
Forum: APRS Tracking 09-12-2011, 10:26 AM
Replies: 6
Views: 3,905
Posted By VHS
LED's on the RTG

The red light on the GPS 2 itself should flash red until it has valid signal acquisition, at which time it should go solid red. During this phase, the green LED on the RTG should be flashing, and...
Forum: APRS Tracking 07-25-2011, 12:17 PM
Replies: 33
Views: 19,114
Posted By VHS
Glenn, I believe you will find that...

Glenn,

I believe you will find that "SmartBeaconing" will already accommodate a simple velocity vs transmission interval, without having to actually change configurations ( Meaning to switch the...
Forum: APRS Tracking 07-23-2011, 04:49 PM
Replies: 33
Views: 19,114
Posted By VHS
Ron, It would have to be a user settable...

Ron,

It would have to be a user settable function; People in Denver would need far different settings than us sea-level people!

Allen
Forum: APRS Tracking 07-23-2011, 04:31 PM
Replies: 33
Views: 19,114
Posted By VHS
Many hams tend to really overreact when someone...

Many hams tend to really overreact when someone goes overboard on transmission intervals and extra-wide digipaths.There is no hard and fast rule, but I try to error on the side of conservatism ( Of...
Forum: APRS Tracking 07-23-2011, 11:30 AM
Replies: 33
Views: 19,114
Posted By VHS
APRS police on warpath

The following post appeared on the APRS Yahoo Users' group ( followed by my defense of you guys), so if any of you know this evil-doer, please have a friendly chat with him!

If anyone knows...
Forum: APRS Tracking 07-02-2011, 02:43 PM
Replies: 14
Views: 8,389
Posted By VHS
MT-RTG single channel unit to be discontinued

Just a heads-up to my favorite group of customers: After our remaining stock and parts sets for the single channel RTG are gone, we will be discontinuing that model (MT-RTG NA) and only selling the...
Forum: APRS Tracking 06-24-2011, 02:08 PM
Replies: 7
Views: 3,206
Posted By VHS
In the future, I will take care to make it clear...

In the future, I will take care to make it clear when I am being sarcastic...... Yes, I know you need a ham license to operate in foreign countries, and that Puerto Rico is a Territory of the U.S. I...
Forum: APRS Tracking 06-24-2011, 12:05 PM
Replies: 7
Views: 3,206
Posted By VHS
Smile Wait, you need a license to operate in a foreign...

Wait, you need a license to operate in a foreign country? Puerto Rico is part of America? Are you sure about this?

Allen
Forum: APRS Tracking 06-23-2011, 03:32 PM
Replies: 7
Views: 3,206
Posted By VHS
APRS Coverage in the Carribean?

I have had a number if inquiries about APRS airborne coverage in the Caribbean, especially as it relates to relief operations around Haiti. It looks to me like a pretty blank area until you hit...
Forum: APRS Tracking 05-11-2011, 09:40 AM
Replies: 7
Views: 4,023
Posted By VHS
GPS issues

On reflection, it seems to me that the most likely cause of the unit not seeing the GPS is as a result of mechanical damage at the connector, since the problem started contemporaneously with the plug...
Forum: APRS Tracking 05-08-2011, 07:11 PM
Replies: 2
Views: 2,995
Posted By VHS
Kenwood makes two APRS radios, a mobile and a...

Kenwood makes two APRS radios, a mobile and a handheld ( D710 and TH-d7e) which will work well with an Avmap GPS display receiver. Scott from ARGENT DATA has a transceiver too, but its a little less...
Forum: APRS Tracking 05-08-2011, 07:05 PM
Replies: 7
Views: 4,023
Posted By VHS
Do you mean that no LED's light at all on power...

Do you mean that no LED's light at all on power up, or that the green GPS LED is not lit? FYI, the Byonics GPS has a red LED that you can see from the bottom/side of the hockey puck type receivers to...
Forum: APRS Tracking 05-08-2011, 08:34 AM
Replies: 8
Views: 6,923
Posted By VHS
Weird box

Brett,

It seems to imply that that would be the case, but I think a little further research is required! Its sounds like a good concept at any rate.

Allen
Forum: APRS Tracking 05-07-2011, 03:44 PM
Replies: 8
Views: 6,923
Posted By VHS
Mystery Box

After going to the site and reading the manual, the device seems to be sort of a TNC (terminal node controller) for base station use. It can be be plugged into a radio to create a digipeater, and/or...
Showing results 1 to 62 of 293

 
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