Официальный дистрибьютор  Barrett Communications (Австралия) в Украине ТОВ “КОНЦЕРН АЛЕКС”
 
Представляем Вашему вниманию оборудование австралийской фирмы Barrett Communications Pty. Ltd., известной во всем мире как производитель надежного радиооборудования КВ и УКВ диапазона, армейского и гражданского назначения.
    Отличительной чертой продукции Barrett является законченность системных решений на основе своих радиостанций. В настоящее время реализованы автоматические системы дистанционного управления трансивером, выхода по КВ-каналу в телефонную сеть, передачи данных, факсимильных сообщений, электронной почты, подключения к сети Интернет, передачи графического изображения, текстов, файлов и т.п.

Barret communications

Опции

PRC-2080 Тактическая УКВ радиосистема

HF Tactical antennas

2063 КВ-УКВ шлюз

HF Tactical power options

PRC-2090 Тактическая КВ радиосистема

HF Tactical general options

PRC-2064 Тактический голосовой шлюз

VHF Tactical antenna options

 

VHF Tactical power options

 

VHF Tactical general options

Цены и наличие товара Вы можете уточнить здесь

prc-2080 BARRETT PRC-2080 Тактическая УКВ радиосистема

prc-2080

 

2063 kv-ukv BARRETT 2063 КВ-УКВ шлюз

2063 kv-ukv

 

prc-2090BARRETT PRC-2090 Тактическая КВ радиосистема

prc-2090

 

prc-2064BARRETT PRC-2064 Тактический голосовой шлюз

prc-2064

 

hfantennasHF Tactical antennas

Rapid deployment wire dipole antenna - 125 W
Operates from 2 to 30 MHz - 125 W PEP max. Frequency markers attached to Kevlar radiators.
Includes:- 
- Lanyards wound on reusable spools with throw and securing weights
- 10 metres of RG-58AU coaxial cable, with waterproof BNC and UHF coaxial connectors
- Carry bag - colour black 
wire dipole antenna 125W 2090-02-01
Rapid deployment broadband dipole antenna - 125 W
Operates from 2 to 30 MHz without adjustment - 125 W PEP max. Can be deployed as full length broadband dipole or in compact form. Manufactured with Kevlar radiators and UV resistant Dacron cords.
Includes:-
- Radiators and loads wound on reusable spools
- Lanyards wound on reusable spools with throw and securing weights
- 10 metres of RG-58AU coaxial cable, with waterproof BNC and UHF coaxial connectors 
- Carry bag - colour black 
Rapid deployment broadband dipole antenna
Rapid deployment mast
Portable 5m mast kit for tactical broadbands and dipoles - rapid deployment.
Includes:-
- 7 piece mast
- Guys on winders, earth pegs, guy pegs and hammer
- Carry bag - colour black 
Rapid deploy mas
Tape whip - 1.5 metre
For manpack operation in receive mode (for transmission from 5 to 30 MHz but at limited efficiency). Tape whip 1.5 metre
Long wire throw out antenna
For manpack operation with an adaptor to suit the whip stud on PRC-2090.
Includes:-
- Winding hub, antenna wire and throw weight
- Carry bag - colour black 
Long-wire-throw-out-antenna
Collapsible whip 3 metres
For manpack operation with gooseneck - colour black.  Collapsible whip 3m
Counterpoise earth kit - multi-wire
Recommended to increase the efficiency of the PRC-2090 operating with whip antennas below 3 MHz when in dry soil or desert areas where normal earth connections are difficult to achieve. 
Includes:- 
- Winding hub, wire earth radials and weights
- Carry bag - colour black
Counterpoise-earth-kit
Counterpoise earth kit - single wire
Recommended to increase the efficiency of the PRC-2090 operating with whip antennas below 3 MHz. Includes:-
- Winding hub, wire earth radial and peg
- Carry bag - colour black 
counter-poise-single-wire
Whip adaptor to suit 2090
Complete whip adaptor to fit 2090 manpack.  
Barrett 2019 MIL-SPEC Automatic tuning HF mobile antenna - NATO green
Features:- 
- Frequency range 2 to 30 MHz
- Fast tuning - typically less than 2 seconds
- Extremely robust technical plastic alloy radome
- Two piece MIL-SPEC whip and spring - Immersible to 1 metre for 1 hour
- Meets MIL-STD 810G Clause 516.5 for shock, Clause 501.4, 503.4 for temperature Clause 514.5 for vibration, Clause 510.4 for dust
 
Includes:-
- Barrett 2019 antenna
- Interface cable 6 m - integral coaxial/control with connectors to suit 2090 vehicle docking station
- Fibreglass split whip top section and bottom section
- Tapered spring - black
- Installation sheet
2019 Antenna
Stainless steel whip
Single section stainless steel whip for the Barrett 2019 automatic tuning mobile antenna for NVIS operation.   
                                                                                                              Stainless steel whip
NVIS whips extension to suit Barrett 2019 automatic tuning mobile antenna
Two whip sections complete with tie down harness to extend the whip on the Barrett 2019 automatic tuning mobile antenna for NVIS operation. The usable frequencies for NVIS communications are between 2 MHz and 15 MHz  NVIS whip
Internal fit GPS receiver for 2019 antenna
GPS receiver fitted inside the 2019 antenna, interfaces to the 2050 transceiver via the RF control cable supplied with 2019 antennas.  internalfit
Adaptor plate to mount 2019 antenna
Mount plate for mounting 2019 antenna on existing vehicle mounts with NATO 6 or 3 hole or USA 4 hole patterns.  Adapter Plate
2018 Mobile magnetic loop HF antenna
Ideal for NVIS propagation or applications requiring constant coverage for distances of 0-1000km, the loop antenna provides significantly more gain than conventional whip antenna systems.
Features:- 
- Frequency range 3.9 to 12.5 MHz - Fast tuning - typically less than 2 seconds 
- Meets MIL-STD 810G Clause 516.5 for shock, Clause 501.4, 503.4 for temperature Clause 514.5 for vibration, Clause 510.4 for dust
- Packed size 2000 mm x 1300 mm x 200 mm 
Includes:-
- Interface cable - integral coaxial/control and connectors
- Operation and installation manual
loop antenna
Rapid deployment broadband dipole antenna - 125 W
Operates from 2 to 30 MHz without adjustment - 125 W PEP max. Can be deployed as full length broadband dipole or in compact form. Manufactured with Kevlar radiators and UV resistant Dacron cords.
Includes:- 
- Radiators and loads wound on reusable spools
- Lanyards wound on reusable spools with throw and securing weights
- 20 metres of RG-58AU coaxial cable, waterproof C32-21 UHF type connector coaxial
- Carry bag - colour black
Rapid deploy broadband dipole antenna 125W
Rapid deployment wire dipole antenna - 125 W PEP
Operates from 2 to 30 MHz with frequency lables to indicate tuned length. Manufactured with Kevlar radiators and UV resistant Dacron cords.
Includes:-
- Lanyards wound on reusable spools with throw and securing weights
- 20 metres of RG-58AU coaxial cable, waterproof C32-21 UHF type connector coaxial
- Carry bag - colour black 
Rapid deploy wire dipole antenna 125W
912 multi-wire broadband dipole (2 to 30 MHz) - 150 W PEP stainless steel
Includes:- 
- 30 metres of RG-58AU coaxial cable with waterproof C32-21 type UHF coaxial connectors.

Note:- Masts supplied separately. 

912 Multi-wire
10 metre lightweight, air transportable aluminium mast - nylon guys
Suitable for rapid deployment of Barrett 912 broadband antennas or Barrett 915 series wire dipole. With Nylon guys and ground mounting. Packed length 2 metres, suitable for air-freight.
Includes:-
- Offset bracket and pulleys
- Nylon guys, guy anchor pegs, pulleys and halyard
- Installation instructions 
10 metre lightweight, air transportable aluminium mast - nylon guys
10 metre lightweight, air transportable aluminium mast - stainless steel guys
Suitable for rapid deployment of Barrett 912 125 W broadband antennas or Barrett 915 series wire dipoles. With Stainless Steel guys and ground mounting. Packed length 2 metres, suitable for air-freight.
Includes:-
- Offset bracket and pulleys
- Stainless steel guys, guy anchor pegs, pulleys and halyard
- Installation instructions 
10 metre lightweight, air transportable aluminium mast  - stainless steel guys

HFpower HF Tactical power options
Universal AC/DC adaptor
Universal AC/DC power adaptor - for charging and operating the manpack transceiver when either mains power between 100 to 254 VAC or DC power between 11 to18 VDC is available.
Includes:- 
- AC power cords to suit most world power outlets 
- DC power lead that has clips and adaptors to plug into either a vehicle cigarette outlet,
vehicle power outlet or 12 V battery 
Adaptor
Rapid deployment solar panel - colour British desert camouflage
Solar power supply pack - for charging and operating the manpack transceiver.
Includes:- 
- Compact lightweight tactical foldout solar panel 24 VDC @ 1.2 Amps normal
- Folds to 37 cm x 22 cm x 4 cm package, British desert camouflage colour, with lead and plug to suit manpack 
solar panel
Rapid deployment solar panel - colour British woodlands camouflage
Solar power supply pack - for charging and operating the manpack transceiver .
Includes:-
- Compact lightweight tactical foldout solar panel 24 VDC @ 1.2 Amps normal
- Folds to 37 cm x 22 cm x 4 cm package, British woodlands camouflage colour, with lead and plug to suit manpack
Solar panel
Battery pack 10 Ah
Battery cartridge suitable for PRC-2090 manpack.
- 16.8 V 10 Ah Lithium Ion - colour matt black
Battery
Rapid deployment hand crank generator
Hand crank generator - for charging and operating the manpack transceiver.
Includes:-
- Compact hand crank generator with fold out operator's seat. 24 VDC @ 3 Amps peak with lead and plug to suit PRC-2090, PRC-2080 and PRC 2081 
Hand crank generator
24 V to 12 V converter module suit vehicle docking station
Provides for 24 V operation of the PRC-2090 when deployed in the vehicle docking station. The module attaches to fixture points on the top rear of the vehicle docking station. 
Includes:- 
- Power cable and MIL-STD connectors to connect between the converter module and the docking station
- Power cable and MIL-STD connector for 24 VDC input 
Converter
AC Power supply module
AC mains power supply module 96-256 VAC universal input with connections for optional back up battery.
Includes:- 
- Battery backup cable and connector
- AC supply cable set to suit all international supplies
- Power cable and MIL-STD connectors to connect between the converter module and the docking station
- Power cable and MIL-STD connector for 24 VDC input

 

Power supply

HFgeneral HF Tactical general options
GPS receiver / antenna module
12 channel GPS receiver plugs directly into the PRC-2090 front panel to provide global position for tracking applications. 

Note:- If frequency hopping option P/N 2090-01-01 is fitted, the ESU provides position information for tracking applications. 

ESU GPS
ESU / GPS extender cable 8 metres
Enables the ESU / GPS receiver antenna to be mounted up to 8 metres from the PRC-2090. Used when the PRC-2090 is deployed at a temporary base station or in a vehicle docking station allowing the ESU / GPS to be mounted or placed outside the enclosure or vehicle. With interface enclosure to suit GPS receiver/antenna module P/N 2090-01-22.  GPS
MIL Handset - lightweight tactical
Tactical handset with waterproof Gore-tex® membranes, speaker, microphone, Press-To-Talk (PTT) button and backlit control keypad for use with advanced software features such as Selcall, Groupcall, key entry and front panel programming.  Handset
Display / handset extender cable 1.5 metre
Cable that connects the web worn display and handset when removed from the PRC-2090 in a manpack configuration. Display 1.5 m cable
CW key - lightweight tactical - with leg strap
Lightweight brass CW key with leg strap and MIL-STD 6 pin connector.  CW key
Display / handset extender interface
Enables the display and handset to be extended up to 30 metres from the Transceiver. The 1.5 metre standard display / handset extender cable is used when the display is carried on front webbing and the 15 metre extender cable is used for remote operation. 2090 Display handset extender
Display / handset extender cable 15 metres
Enables the display and handset to be extended 15 metres from the PRC-2090, used when PRC-2090 is deployed in temporary operations centre when it is desirable to have the PRC-2090 located outside the operations centre near its antennas. Up to two cables can be daisy chained to achieve 30 metre separation between the PRC-2090 and the operator with the display and handset.  Display cable
Headphones
Black lightweight tactical with MIL-STD 15 pin connector. Headphones
Waterproof speaker / microphone
Speaker / microphone for 2090 manpack with MIL-STD 15 pin connector.  waterproof speake
Framed backpack for manpack - colour British desert camouflage
The full pack provides for the PRC-2090 and various accessories including wire antennas and spare battery packs. A pouch is provided to hold the PRC-2090's removable display and handset. The side packs can be detached from pack to make the pack more compact.  Backpack desert camouflage
Framed backpack for manpack - colour British woodland camouflage
The full pack provides for the PRC-2090 and various accessories including wire antennas and spare battery packs. A pouch is provided to hold the PRC-2090's removable display and handset. The side packs can be detached from pack to make the pack more compact. Backpack British woodland
Mass matched vibration mounting platform
Attaches to PRC-2090 vehicle docking station to provide vibration isolation for the PRC-2090 when mounted in heavy or tracked vehicles.  vibration mounting platform
Removable display vehicle mounting bracket
Allows the user to mount the display unit separate from the transceiver. removable display
Rugged external mount speaker
External mount speaker for the PRC-2090 manpack transceiver when used in temporary field camps.

Note:- Cable part number 2090-01-20 is required to connect the speaker to the PRC-2090.

External mount speaker
Speaker mounting bracket
Speaker bracket for mounting the rugged external speaker to the vehicle docking station. PRC2090 speaker bracket
Cable speaker to PRC-2090 transceiver
Cable to connect the rugged external mount speaker to the PRC-2090 manpack.  cabel speaker to prc-2090
Handset mounting bracket
Bracket to mount handset to the vehicle docking station.  2090 Microphone Bracket
Vehicle docking station
Increases the output (125 W PEP) of the PRC-2090 tactical transceiver when docked.
Includes 6 m DC power cable with connector, advance tactical handset and speaker mounting brackets.

 

2090vehicle docking station
Barrett 977 vehicle tracking system for 1-10 mobiles
Includes:- 
- 977 vehicle tracking software on CD
- 977 vehicle tracking operators manual 
CD
Barrett 977 vehicle tracking system for 1- 25 mobiles
Includes:-
- 977 vehicle tracking software on CD 
- 977 vehicle tracking operators manual 
CD
Barrett 977 vehicle tracking system for 1- 50 mobiles
Includes:- 
- 977 vehicle tracking software on CD 
- 977 vehicle tracking operators manual 
CD
Barrett 977 vehicle tracking system for 1- 100 mobiles
Includes:-
- 977 vehicle tracking software on CD
- 977 vehicle tracking operators manual 
CD
Halyard and pulley kit suit 912 broadband antennas
Includes:-
- 2 off galvanised pulleys
- 100 m of standard nylon halyard 
dacron braided halyard
NVIS Kit for 912
To suit BC91200 multi-wire broadband dipole antenna Includes:-
- Stainless steel vertical feeder
- All fixing hardware
- Installation manual 
NVIS Kit
Offset bracket and pulley
To facilitate mounting of 912 broadbands or 915 wire dipoles in an inverted "V" configuration on either 902 winch-up towers or 902 telescopic masts. Pulley to suit 4 mm halyard. offset bracket and pulley
Tactical installation kit
Includes:-
- Large selection of screws to accommodate most installations
- Cable ties
- Rubber amalgamation tape
- Power cable lugs
- Manual circuit breaker
- Braided earth lead with lugs
- 6m DC power cable and connector 
installation kit
Side plates - one unit
Side plates for mounting one external unit i.e. AC power supply or modem. side plates 1 unit

vhfantennas VHF Tactical antenna options
Collapsible whip 3 metres
Collapsible 3 m whip and adaptor - colour black.  Collapsible whip
Tape whip antenna
1.1 m flexible whip antenna supplied with gooseneck. Suited for use in jungle or forestry areas.  Tape whip antenna with gooseneck
Tactical rapid deploy antenna with 10 m RG-58 coaxial cable and connectors
Field deployable broadband 30 - 88 MHz antenna complete with 10 m RG-58 coaxial cable and BNC connectors.  Tactical rapid deploy 30-88 MHz antenna
Military VHF 30-88 MHz whip antenna
Military VHF whip antenna. Military grade rugged aluminium anodized. Connected with spring loaded steel bayonet fixing. Deployed length 2.7 m.

Note: requires part number 2082-02-02 Military VHF antenna base 
Note: includes 5m Coax cable 2082-00-07

Mil HF Vehicle whip
Military VHF antenna base
Military VHF heavy duty antenna base with spring. NATO and US mounting hole pattern.  Military HF Antenna base
30 to 108 MHz elevated wideband VHF antenna
Rugged broadband antenna designed for high performance in the VHF frequency range 30 - 108 MHz. Used for tactical applications using a portable mast or, for base-station mounting on towers or other fixed platforms. 4.8 m height, with 3.2 m width, wind rating of 170 Kph and is NATO green.  VHF Base Antenna
30 to 108 MHz centre-fed ground independent whip with stand-off bracket to suit composite masts
Frequency range 30 - 108 MHz, connector 'N' female with 20 m of RG-213 coaxial cable and "N" type connectors power input 100 Watt, gain -6 dBi - +2 dBi , length 3 m, environmentally designed to comply with MIL-STD 810G.  VHF Centre fed whipVHF Centre fed whip
Rapid deploy composite mast - 9.4 metres
Retracted height1.8 m, Weight 7.4 kg (complete), deployment time 10 mins typical Colour Olive Green Mast

VHFpower VHF Tactical power options
Dual battery controller
Intelligent dual battery charge controller to be used with AC or DC inputs from 10-30 V. Charges 2 x 2.4 Ah nickel metal hydride rechargeable batteries individually or simultaneously. Supplied with 110-250 AC In and 24 24 V DC Out mains adaptor. Dual battery controller
DC Power cable
DC Power Cable for dual battery controller with clips and adaptors to plug into either a vehicle cigarette outlet, vehicle power outlet or 12 V battery.  DC Cable
2.4 Ah NiMH battery pack
2.4 Ah Nickel Metal Hydride rechargeable battery - colour matt black battery
10 Ah, 16.8 V Lithium Ion (LiON) battery pack
Battery cartridge for PRC-2081 brigade radio.
- 16.8 V 10 Ah Lithium Ion 
- colour black
10Ah-16.8 V battery
Universal AC/DC adaptor
Universal AC/DC power adaptor for charging and operating the 25 W brigade radio when either mains power between 100 and 254 VAC or DC power between 11 and18 VDC is available. 
Includes:-
- AC power cords to suit most world power outlets
- DC power lead that has clips and adaptors to plug into either a vehicle cigarette outlet, vehicle
power outlet or 12 V battery 
Universal AC-DC adaptor
Rapid deployment solar panel - colour British desert camouflage
Solar power supply pack for charging and operating the manpack transceiver. Includes:-
- Compact lightweight tactical foldout solar panel 24 VDC @ 1.2 Amps normal
- Folds to 37 cm x 22 cm x 4 cm package, British desert camouflage colour, 
with lead and plug to suit PRC-2090 and PRC-2081. 
Solar panel
Rapid deployment solar panel - colour British woodlands camouflage
Solar power supply pack for charging and operating the manpack transceiver. 
Includes:-
- Compact lightweight tactical foldout solar panel 24 VDC @ 1.2 Amps normal
- Folds to 37 cm x 22 cm x 4 cm package, British woodlands camouflage colour,
with lead and plug to suit PRC-2090 and PRC-2081. 
Solar panel
Rapid deployment hand crank generator
Hand crank generator for charging and operating the manpack transceiver.
Includes:-
- Compact hand crank generator with fold out operators seat. 24 VDC @ 3 Amps peak with lead and plug to suit PRC-2090 and PRC 2081 
Hand-Crank-Generator
AC Power supply module - 13.8 VDC
AC mains power supply module 96-256 VAC universal input and 13.8V output at 20A. With connections for optional back up battery. Includes:-
- 2090-06-01 AC power supply 
- DC power cable to suit PRC-2084 50 W VHF base station
- Side plate and bracket to attach to underside of the PRC-2084 50 W VHF base station
- Battery backup cable and connector
- AC supply cable set to suit and international supplies 
- 2090 mains power supply operational manual
AC Power Supply
Dual AC power supply module - 13.8 VDC
Dual AC power supply module with 110-240 VAC universal input, that mounts in the rear section of the re-broadcast unit rack system. Supplies 13.8 VDC to each transceiver in the re-broadcast unit and has a no-break battery float charging system for optional backup batteries.
Includes:- 
- Battery backup cable and connector
- AC supply cable set to suit all international supplies
- DC power cables x 2 
Dual AC power supply
Dual AC power supply module - 24 VDC
Dual AC power supply module with 110-240 VAC universal input, that mounts in the rear section of the re-broadcast unit rack system. Supplies 24 VDC to each transceiver in the re-broadcast unit and has a no-break battery float charging system for optional backup batteries. 
Includes:-
- Battery backup cable and connector 
- AC supply cable set to suit all international supplies
- DC power cables x 2 
Dual AC power supply

VHFgeneral VHF Tactical general options
Tactical handset with keypad
Tactical handset with waterproof Gore-tex® membranes and MIL-SPEC connector, speaker, microphone, 
Press-To-Talk (PTT) button and backlit control keypad for use with advanced software features such as Selcall, Groupcall, key entry and front panel programming. 
tactical handset
Tactical handset
Tactical handset with MIL-SPEC connector, speaker, microphone and Press-To-Talk (PTT) button. For use when functions available to the operator are to be limited.  tactical handset
Lightweight tactical headset (under helmet)
2Lightweight Tactical Headset, suited to under helmet mounting, with MIL-SPEC connector, speaker, microphone on a gooseneck and clip on Press-To-Talk (PTT) button.  Lightweight Headset
Interconnecting control cable 2.0m between 50 W VHF amplifier and vehicle docking station
Required when 50 W VHF amplifier is mounted remotely from the Vehicle Docking Station.  
Coax cable 2.0m BNC to BNC vehicle docking station to 50 W VHF amplifier
Required when 50 W VHF amplifier is mounted remotely from the Vehicle Docking Station.   
PRC-2080 Technical manual - on CD
Detailed manual with schematics, circuit theory, fault diagnostics and maintenance procedure.   
Canvas backpack
Canvas Backpack to suit the PRC-2080 VHF Tactical Handheld Package or VHF 5 W Tactical Transceiver with standard battery. The lightweight backpack design is suited to back mounting the transceiver (transceiver not included), mounting either a short or long antenna and is olive green in colour.  Canvas Backpack
Framed backpack
Framed back pack to suit PRC-2081.  Framed backpack
Rugged external mount speaker
External mount speaker for the PRC-2082 50 W VHF transceiver when used in a mobile, as a base or within 
a rebroadcast system. Includes mounting bracket 

Note:- Cable part number 2080-10-31 is required to connect the speaker.

External mount speaker
VHF Speaker mounting bracket
Speaker bracket for mounting the rugged external speaker to the vehicle docking station.  speaker bracket
Cable speaker to PRC-2082 transceiver
Cable to connect the rugged external mount speaker to the PRC-2082 50 W VHF amplifier when used in 
a mobile, as a base or within a rebroadcast system. 
cabel speaker to prc-2090 transceiver
VHF Handset mounting bracket
Bracket to mount handset to the PRC-2082 50 W VHF transceiver when used in a mobile, as a base or within 
a rebroadcast system.
2080 Microphone Bracket
Vehicle docking station for docking of PRC-2080 transceiver
Vehicle docking station to connect PRC-2080 VHF transceiver to Vehicle/Base amplifier or direct to external VHF antenna. Provides DC supply, Audio/RS-232 and RF connections. 

Note:- illustrated here with PRC-2080 docked - not supplied with unit.

Vehical docking station
50 W VHF Amplifier
30 - 88 MHz, provides 50 W power output. For PRC-2080 docked in vehicle docking station. 
Includes Aux Mic/Data Input connector. 
50W VHF Amplifier
Anti-vibration mount
For mounting a Vehicle Docking Station into an armoured or other shock-heavy vehicle. 

Note: includes transition plate.

anti-vibration mount
Transportation casing
High impact polyester transportation casing.  Transpotation casing
Плагины Joomla
O частотном планировании, видах излучения и этике работы

1.Частотное планирование и этика.

Некоторым радиолюбителям известен такой вид излучения как SSTV. Хочу сказать, что SSTV относится  к аналоговым видам излучения (аналогично SSB) и посему предполагает работу во всем SSB участке. На некоторых диапазонах для SSTV выделен специальный участок, где он имеет привилегии, т.е. если кто-то, на этих частотах работая, например SSB мешает проведению SSTVQSO, то он должен покинуть эту частоту. И хотя SSTV можно работать во всем SSB участке сложилось так, что SSTV-ты собираются вблизи определенных частот. Есть такой участок и на 80-ке, это 3730-3735. Однако хочу заметить, что данный участок все же предназначен только для работы SSB и CW, т.е. для этого участка не оговорено, что в нем привилегией пользуется SSTV, а, следовательно, здесь на одинаковых правах можно работать и SSB, и CW, и SSTV.

 Я лично, да и не только я, много раз выслушивали на этих частотах нарекания в свой адрес (порой довольно в грубой форме) о том, что на этих частотах мы проводим SSBQSO, в то время как это участок для цифровых видов связи. Как это могут говорить радиолюбители, имеющие первую категорию (а именно с ней можно работать в этой полосе частот). Почитайте инструкцию! Нужно знать частотное планирование и в частности нужно знать, что участок для цифровых видов связи расположен в полосе частот 3580-3620.

На всех частотах любительских диапазонов действует правило - первый кто занял частоту считается ее хозяином, и никто не может прогнать хозяина с им занятой частоты (я не имею в виду LID и особых случаев). И все на что рассчитывает другой радиолюбитель, которому по каким-то причинам нужна данная частота - это попросить хозяина уступить ее. И в этом случае можно рассчитывать только на его радиолюбительскую этику и взаимопонимание в надежде получения частоты.

Если Вы желаете поработать SSTV и, придя в участок 3730-3735, т.е. там, где собираются любители SSTV, и видите что в нем находится SSB станция, то почему нужно сразу же предъявлять к ней претензии? Что вам мешает встать на соседней свободной частоте и начать работу? Другое дело если в этом участке работают несколько станций, тем самым занявшие всю полосу частот 3730-3735. И даже в этом случае вы не можете встать на занятую частоту (если вы не LID конечно) и начать SSTV передачу мешая SSB станциям. Вы не можете делать им замечание, что они работают в SSTV участке - нет такого участка на 80 метров. Все на что вы можете рассчитывать, так это обратиться к их радиолюбительской этике и попросить уступить вам частоту.

 

2. Путаница с видами излучения.

Если частотное планирование это прямое и грубое нарушение инструкции, то незнание принципов некоторых видов радиосвязи - скорее нежелание в этом разобраться. В настоящее время нет проблем с реализацией работы в эфире любым цифровым видом. Купил компьютер, нашел или купил программу и вперед - дорога открыта. Но прежде чем начать проводить QSOs было бы неплохо разобраться и поглубже понять, что же такое тот или иной цифровой вид связи. На худой конец почитайте документацию, поставляемую с программами. Хотя бы для того чтобы не вызывать в свой адрес усмешки со стороны других радиолюбителей.

Самая большая путаница связана с SSTV и набирающей в последнее время обороты DIGTRX. Так вот DIGTRX это вопреки бытующему мнению совсем не цифровое SSTV. Почитайте readme.txt файл автора программы - “DIGTRX is not a SSTV program. SSTV is an analogical modality only for images and without possibility of error correction. SSTV scans slowly the image line by line...”. Да и вообще - SSTV это не передача картинок, это принцип!SlowScanTelevision (SSTV) - это дословно Телевидение с медленной разверткой. И это действительно телевидение со своими кадровыми и строчными синхроимпульсами, кодированием цвета, управлением яркостью и т.д. Т.е. сигнал формируется по аналогии с обычным телевидением, но только SSTV это медленное телевидение в силу узкополосности сигнала.

А что касается DIGTRX, то это всего лишь  программа для передачи по эфиру любого файла будь то тестовый, исполняемый, компьютерный вирус или картинка. Просто так сложилось, что обмениваться текстовыми или иными файлами не представляет интереса и гораздо интереснее обмениваться картинками, а это как-то напоминает SSTV. Но почему-то никому в голову не придет назвать почтовый клиент OutlookExpress или TheBat цифровым SSTV. А ведь с их помощью также можно обмениваться картинками (правда, по интернету).

В заключение еще раз - не путайте SSTV как принцип и простую передачу картинок какими-то иными средствами. И не забывайте, что DIGTRX пока вообще не относится ни к какому виду радиосвязи и уж если его к чему-то “приткнуть”, то только к цифровым видам, для которых предназначена полоса частот  3580-3620. А если вы решили нарушить Инструкцию и поработать вблизи частот 3730-3735 DIGTRX-ом, то и ведите себя подобающим образом - чувствуйте за собой некую вину и уж тем более забудьте о предъявлении претензий другим радиолюбителям работающим в этом участке аналоговыми видами.

 

 

3. Не подводите своих знакомых.

Если Вы имеете первую категорию, но не знаете элементарных вещей, например частотного планирования или структуры позывных (бывают и такие случаи, когда можно услышать SSTV вызов позывным RK3**/3X, т.е. явная работа без разрешения из другой области), то, пожалуйста, не подводите своих знакомых, которые помогли вам купить, получить по знакомству, выменять (выбирайте по усмотрению) разрешение.