Military Radio Specifications (Статья по рации PRR "Bowman")

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Olivera [RGJ]
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Re: Military Radio Specifications (Статья по рации PRR "Bowm

Post by Olivera [RGJ] »

prapor wrote:Вообще-то писк должен быть при передаче по PRR-каналу, т.к. он идёт как «незащищенный». Это в страйкболе он «надежно закрыт от прослушивания», а в жизни он как раз совсем не безопасен.
К этому выводу и пришли. Вопрос теперь в том, как его отключить (писк) :)
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Re: Military Radio Specifications (Статья по рации PRR "Bowm

Post by Mulder »

Господа, так какой сигнал звучит то? Три средних тона каждые 5с?
и с чего это вдруг цифровой сигнал мощностью в пол ватта менее защищенный чем второй передатчик на КВ?

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Re: Military Radio Specifications (Статья по рации PRR "Bowm

Post by Jafar »

протестил. таки да, писк идет по внутреннему каналу ПРР. как его убрать?
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Re: Military Radio Specifications (Статья по рации PRR "Bowm

Post by prapor »

Второй передатчик должен иметь средства защиты от перехвата, PRR же, кроме того что там цифра, никакого шифрования не имеет в принципе. Потому и называется «незащищенным».
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Re: Military Radio Specifications (Статья по рации PRR "Bowm

Post by Jafar »

как убрать этот гадкий сигнал? на некоторых прр его нет!
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Re: Military Radio Specifications (Статья по рации PRR "Bowm

Post by Mulder »

да что за сигнал то? сколько коротких, сколько длинных? )

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Re: Military Radio Specifications (Статья по рации PRR "Bowm

Post by Mulder »

The mode / SQ pin . On UK MOD sets that have been modified (1) . on a dual ptt you get a hi/low tone on TX in your headphone that repeats every five seconds...
it can be stopped by taking the mode pin the ground via a 10k resistor. This only happens on a later set and with a dual ptt
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Re: Military Radio Specifications (Статья по рации PRR "Bowm

Post by Juanan »

Hello everyone, first of all congratulations on the photo and all the collaborators.
I am trying to make the cable to connect a selex radio, PRC h4855 with dual PTT and a TRI PRC-152. I have problems to make the union. I managed to speak for the Bowman's microphone through the selex and broadcast by the Prc152, but I can not hear.
I do not know if I am following the scheme of union between them well.
Can you help me?

Thank you

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Re: Military Radio Specifications (Статья по рации PRR "Bowm

Post by ace »

Juanan wrote:Hello everyone, first of all congratulations on the photo and all the collaborators.
I am trying to make the cable to connect a selex radio, PRC h4855 with dual PTT and a TRI PRC-152. I have problems to make the union. I managed to speak for the Bowman's microphone through the selex and broadcast by the Prc152, but I can not hear.
I do not know if I am following the scheme of union between them well.
Can you help me?

Thank you
Hello Juanan,
Please check your wirings:
U329 - H4855
A - Rlack, Blue (GND)
B - Yellow (speaker)
C - White (PTT)
D - Green (mic)
E - Black, Blue (GND)
F - Red (+5V...+12V)

A and E on U329 should be shortened and connected to both Black and Blue wires.
For using F directly from TRI PRC-152/148 you need to modify your TRI PRC-152/148 radio, internally connecting +5V inside the radio to contact F on U283 connector on the radio. It's tricky but possible, I've done this on both mine TRI's 148 and 152.
In case you do not want to modify your 152/148 - use wiring above without F contact, but it will work only when your H4855 is switched on.
Also you can use it's with external power (from +5V to +12V, for example battery +9V) on Red wire, connecting 2 wires inside connector U329 to Black (GND) and Red (+) wires and protruding them to connect to external +9V battery.

Cheers!

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Re: Military Radio Specifications (Статья по рации PRR "Bowm

Post by Juanan »

ok, thanks,

I'm going to get to it

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