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Showing results 1 to 25 of 117
Search took 0.00 seconds. Search: Posts Made By: BocaIII
Forum: Emergency, Disaster and Distress 01-03-2024, 07:06
Replies: 81
Views: 18,867
Posted By BocaIII
Re: Simplicity: Yacht Owners Feared Dead After Escapees Recaptured (Grenada)

ok…thanks for the clarification…sorry for my confusion.
Capt Jack
Forum: Emergency, Disaster and Distress 01-03-2024, 06:30
Replies: 81
Views: 18,867
Posted By BocaIII
Re: Simplicity: Yacht Owners Feared Dead After Escapees Recaptured (Grenada)

I imagine all have learned the latest on the missing couple
they are alive and well in the tortugas ….. seems like there remains a mystery how this story started
Forum: Training, Licensing & Certification 22-01-2024, 07:25
Replies: 81
Views: 9,177
Posted By BocaIII
Re: Captain's License vs ASA 105 course

I have 100 ton captains license which is a requirement as a Florida saltwater fishing guide
If you dont plan to engage in commercial activity requiring USCG license, its a waste of time for your...
Forum: Marine Electronics 25-12-2023, 16:15
Replies: 4
Views: 581
Posted By BocaIII
Re: raymarine cw120 to axiom pro wiring

suggest you draw a wiring diagram of your system, call RM tech support explain what you are trying to do. Tell them you will send a wiring diagram then request their reply by email.
good luck
Forum: General Classifieds (no boats) 25-12-2023, 16:06
Replies: 0
Views: 447
Posted By BocaIII
SCS PACTOR P3 modem

SCS pactor ptc-ii pro with P3 license
$485 mailed lower 48
Jack
W4GRJ - check me out in qrz.com
Forum: Marine Electronics 11-11-2023, 01:37
Replies: 19
Views: 1,949
Posted By BocaIII
Re: how to bring GPS to Raymarine Evolution AP

Raymarine evolution autopilot will operate as standalone system with electronic flux gate The only time you need GPS information is if you are tracking to a waypoint
Capt Jack
Forum: Marine Electronics 10-07-2023, 06:28
Replies: 106
Views: 8,876
Posted By BocaIII
Re: Vhf range

The only way to begin diagnosing possible transmit issues is to FIRST check the swr with a swr meter rated for vhf….they are very inexpensive.
Jack
W4GRJ
Forum: Marine Electronics 04-07-2023, 06:01
Replies: 0
Views: 171
Posted By BocaIII
SEA1635 or 1630 manual help

Looking for SEA 1635 or 1630 manual

I got a used SEA 1635, need to confirm power connection and the three jumpers
Extensive internet search turns up nothing…very strange.

I am very comms...
Forum: Electrical: Batteries, Generators & Solar 29-05-2023, 06:38
Replies: 28
Views: 2,279
Posted By BocaIII
Re: Electrical Theory Help

even as an a graduate electrical engineer i found this book very helpful
...
Forum: General Classifieds (no boats) 09-01-2023, 07:25
Replies: 0
Views: 245
Posted By BocaIII
WTB SCS pactor modem

Looking for pactor 3 modem
Jack
W4GRJ
Forum: Marine Electronics 28-11-2022, 07:31
Replies: 37
Views: 3,359
Posted By BocaIII
Re: HF/SSB antenna inside Dyneema lifelines

Love out of box ideas...this one qualifies!
I do have some ideas and comments
Can you do a simple sketch and send to me via email...w4grj@satterfield.org
Thanks
Jack
W4GRJ
Forum: General Classifieds (no boats) 21-11-2022, 02:14
Replies: 1
For Sale: SGC-230 Smartuner
Views: 538
Posted By BocaIII
Re: SGC-230 Smartuner

Tuner SOLD
Forum: General Classifieds (no boats) 06-10-2022, 02:33
Replies: 1
For Sale: SGC-230 Smartuner
Views: 538
Posted By BocaIII
SGC-230 Smartuner

SGC-230 antenna coupler
this is the latest 200w model
excellent condition, purchased for antenna project never permanently installed.
$435 mailed
Jack
W4GRJ
jack@satterfield.org
...
Forum: Marine Electronics 15-08-2022, 06:25
Replies: 2
Views: 266
Posted By BocaIII
Re: SGC230 24v convert to 12v

Nope…it’s not the 24 v option for 12v version
Pc board is labeled 24 v installation
I will talk to Sgc on Tuesday
Forum: Marine Electronics 15-08-2022, 05:31
Replies: 22
Views: 2,047
Posted By BocaIII
Re: Garmin Shuts Down periodically

Agreed…it’s a power source issue.
Capt Jack
W4GRJ
Forum: Marine Electronics 15-08-2022, 05:08
Replies: 1
Views: 283
Posted By BocaIII
Re: M802 not tuning

Wow…you do have a puzzle. Since you confirmed power out of 802 I would concentrate on the at140…since you put in a new at140 first I would look at the control cable, clean connections.
Second check...
Forum: Marine Electronics 15-08-2022, 04:54
Replies: 2
Views: 266
Posted By BocaIII
SGC230 24v convert to 12v

I have a sgc230 looks like it is 24v version. However, it is labeled 12-24v by the terminals. I tried 12v but it does not operate…. Just wondering if anyone has experience with this version operating...
Forum: Marine Electronics 18-07-2022, 11:25
Replies: 26
Views: 2,609
Posted By BocaIII
Re: Sailing boat antenna modeling & radiation patterns

if the swr is approx 1.7:1 or better …< 1.5:1 is best
then the issue is propagation … hf freqs during the day these days are not real good. 20 meter ham band not to bad …. unless you have yaggi...
Forum: Marine Electronics 18-07-2022, 09:04
Replies: 26
Views: 2,609
Posted By BocaIII
Re: Sailing boat antenna modeling & radiation patterns

O.k…maybe not as precise as a high end meter but they work fine for the purpose Rich has ….. i.e. if “Cb meter” reads 1.4:1 actual swr is 1.3:1 close enough to indicate any issues also, chance The...
Forum: Marine Electronics 18-07-2022, 08:31
Replies: 26
Views: 2,609
Posted By BocaIII
Re: Sailing boat antenna modeling & radiation patterns

Most available are only rated to 100 watts
you need 150 watts minimum, freq 1 to 30Mhz range


Found this one on ebay, looks good...
Forum: Marine Electronics 18-07-2022, 07:54
Replies: 26
Views: 2,609
Posted By BocaIII
Re: Sailing boat antenna modeling & radiation patterns

Sounds like a great installation!
What is the swr at the radio with at-140 tuned?
Have you tried in the evenings?

If you have you computer on the internet in port, the sailmail propagation...
Forum: Marine Electronics 18-07-2022, 06:33
Replies: 3
Views: 566
Posted By BocaIII
Re: Raymarine E120 Rebooting

Good suggestions….also, make sure you have min 12.5 v on the MFD
The e & c series are very low voltage sensitive
Good luck
Jack
Raymarine field beta tester
Forum: Marine Electronics 18-07-2022, 06:29
Replies: 26
Views: 2,609
Posted By BocaIII
Re: Sailing boat antenna modeling & radiation patterns

There are two types of grounds
1. DC ground
2. RF ground. ie., antenna counterpoise

You need both for proper operation.

Jack
W4GRJ
Forum: Marine Electronics 16-07-2022, 08:18
Replies: 26
Views: 2,609
Posted By BocaIII
Re: Sailing boat antenna modeling & radiation patterns

Agree with S/V Illusion


Now for your case, unfortunately your math is logical but it doesn't work that way.The only way to know how your antenna installation patterns
is to model it with...
Forum: Marine Electronics 16-07-2022, 06:07
Replies: 26
Views: 2,609
Posted By BocaIII
Re: Sailing boat antenna modeling & radiation patterns

My experience has been in a marina with lots of surrounding vessels I can hear fine but transmit is severely degraded. Also, make sure your swr is acceptable...suggest you try in open water for...
Showing results 1 to 25 of 117
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